E4STA5517 LED TV Test Report ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT Shenyang Tongfang Multimedia Technology Co., Limited

Shenyang Tongfang Multimedia Technology Co., Limited LED TV

FCC ID Filing: 2ACWIE4STA5517
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ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT
INTENTIONAL RADIATOR CERTIFICATION TO
FCC PART 15 SUBPART C REQUIREMENT
OF
LED TV
Model No.: T550TGA4BUA,E4STA5517,TU55GTG, WG55UX4100,
WG55XXXXXXXXX,T55XXXXXXXXXX, EXXXXXXXXXXX
(where X would be any Arabian number or English letter or blank)
Trademark: Westinghouse, Element
FCC ID: 2ACWIE4STA5517
Report No.: ES180319001E
Issue Date: April 20, 2018
Prepared for
Shenyang Tongfang Multimedia Technology Co.,Limited
No.10 Nanping East Road HunNan New District Shenyang, LiaoNing
Province P.R .China
Prepared by
EMTEK(SHENZHEN) CO., LTD.
Bldg 69, Majialong Industry Zone, Nanshan District, Shenzhen,
Guangdong, China.
TEL: 86-755-26954280
FAX: 86-755-26954282
This report shall not be reproduced, except in full, without the written approval of
EMTEK(SHENZHEN) CO., LTD.
TRF No. FCC Part 15.247/A
Page 1 of 55
Report No. ES180319001E Ver.1.0
VERIFICATION OF COMPLIANCE
Applicant:
Manufacturer:
Shenyang Tongfang Multimedia Technology Co.,Limited
No.10 Nanping East Road HunNan New District Shenyang, LiaoNing
Province P.R .China
Shenyang Tongfang Multimedia Technology Co.,Limited
No.10 Nanping East Road HunNan New District Shenyang, LiaoNing
Province P.R .China
Product Description:
LED TV
Trade Mark:
Westinghouse, Element
Model Number:
T550TGA4BUA,E4STA5517,TU55GTG,WG55UX4100,
WG55XXXXXXXXX,T55XXXXXXXXXX,EXXXXXXXXXXX
(where X would be any Arabian number or English letter or blank)
We hereby certify that:
The above equipment was tested by EMTEK(SHENZHEN) CO., LTD. The test data,
data evaluation, test procedures, and equipment configurations shown in this report
were made in accordance with the procedures given in ANSI C63.10-2013 and the
energy emitted by the sample EUT tested as described in this report is in compliance
with conducted and radiated emission limits of FCC Rules Part 15.247(2017).
Date of Test :
March 19, 2018 to April 08, 2018
Prepared by :
Yaping Shen/Editor
Reviewer :
Joe Xia/Supervisor
Approved & Authorized
Signer :
Lisa Wang/Manager
TRF No. FCC Part 15.247/A
Page 2 of 55
Report No. ES180408055EVer.1.0
Modified Information
Version
Summary
Revision Date
Report No.
Ver.1.0
Original Report
ES180319001E
TRF No. FCC Part 15.247/A
Page 3 of 55
Report No. ES180408055EVer.1.0
Table of Contents
THIS REPORT SHALL NOT BE REPRODUCED, EXCEPT IN FULL, WITHOUT THE
WRITTEN APPROVAL OF ............................................................................................................. 1
1.
GENERAL INFORMATION ............................................................................................... 6
1.1
1.2
2.
3.
4.
5.
PRODUCT DESCRIPTION .......................................................................................................... 6
TEST METHODOLOGY .............................................................................................................. 6
TEST FACILITY .................................................................................................................. 7
DESCRIPTION OF TEST MODES ................................................................................... 8
TEST SYSTEM UNCERTAINTY..................................................................................... 10
CONDUCTED EMISSIONS TEST .................................................................................. 11
5.1 MEASUREMENT PROCEDURE: ................................................................................................ 11
5.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ............................................................ 11
5.3 MEASUREMENT EQUIPMENT USED: ........................................................................................ 11
5.4 CONDUCTED EMISSION LIMIT ..................................................................................................... 11
5.5 MEASUREMENT RESULT: ....................................................................................................... 12
6.
RADIATED EMISSION TEST ......................................................................................... 16
6.1 MEASUREMENT PROCEDURE ................................................................................................. 16
6.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ............................................................ 18
6.3 MEASUREMENT EQUIPMENT USED: ........................................................................................ 19
6.4 RADIATED EMISSION LIMIT.......................................................................................................... 20
6.5 MEASUREMENT RESULT .......................................................................................................... 21
6.6 RADIATED MEASUREMENT PHOTOS:........................................................................................... 27
7.
6DB BANDWIDTH MEASUREMENT ............................................................................ 28
7.1 MEASUREMENT PROCEDURE ................................................................................................. 28
7.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ............................................................ 28
7.3 MEASUREMENT EQUIPMENT USED: ............................................................................................ 28
7.4 LIMIT ........................................................................................................................................ 28
7.5 MEASUREMENT RESULTS: ..................................................................................................... 28
8. MAXIMUM PEAK OUTPUT POWER TEST ........................................................................... 31
8.1 MEASUREMENT PROCEDURE ................................................................................................. 31
8.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ............................................................ 31
8.3 MEASUREMENT EQUIPMENT USED: ............................................................................................ 31
8.4 PEAK POWER OUTPUT LIMIT ....................................................................................................... 31
8.5 MEASUREMENT RESULTS: ...................................................................................................... 31
9. POWER SPECTRAL DENSITY MEASUREMENT ................................................................ 34
9.1MEASUREMENT PROCEDURE ...................................................................................................... 34
9.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) ................................................................ 34
9.3 MEASUREMENT EQUIPMENT USED: ............................................................................................ 34
TRF No. FCC Part 15.247/A
Page 4 of 55
Report No. ES180408055EVer.1.0
9.4 MEASUREMENT PROCEDURE ..................................................................................................... 34
9.5 MEASUREMENT RESULTS: ......................................................................................................... 35
10. BAND EDGE TEST ................................................................................................................. 39
10.1 MEASUREMENT PROCEDURE ................................................................................................... 39
10.2 TEST SET-UP (BLOCK DIAGRAM OF CONFIGURATION) .............................................................. 40
10.3 MEASUREMENT EQUIPMENT USED: .......................................................................................... 40
10.4 MEASUREMENT RESULTS: ....................................................................................................... 41
11 ANTENNA APPLICATION ...................................................................................................... 47
11.1 ANTENNA REQUIREMENT.......................................................................................................... 47
11.2 RESULT .................................................................................................................................. 47
TRF No. FCC Part 15.247/A
Page 5 of 55
Report No. ES180408055EVer.1.0
1. GENERAL INFORMATION
1.1 Product Description
Characteristics
Description
Product Name
LED TV
T550TGA4BUA,E4STA5517,TU55GTG,WG55UX4100,
WG55XXXXXXXXX,T55XXXXXXXXXX,EXXXXXXXXXXX
Model number
(where X would be any Arabian number or English letter or blank)
(Note: These models are identical except for decorative parts in front
panels, color of enclosures and design of signal input/output
terminals in secondary circuits. Here T550TGA4BUA was selected
for full test.)
Input rating
100-240V~, 50/60Hz or other
Power Supply
100-240V~, 50/60Hz, 180W
Kind of Device
Bluetooth Ver.4.2 BLE
Modulation
GFSK
Operating Frequency
Range
2402-2480MHz
Number of Channels
40
Transmit Power Max(PK)
-3.53dBm(0.000444W)
Antenna Type
Internal PCB antenna
Antenna Gain
4.0dBi
1.2 Test Methodology
All the test program has follow FCC new test procedure KDB 558074 D01 DTS Meas
Guidance v04, April 5, 2017 and in accordance with the procedures given in ANSI
C63.10-2013.
TRF No. FCC Part 15.247/A
Page 6 of 55
Report No. ES180408055EVer.1.0
2. Test Facility
Site Description
EMC Lab.
Accredited by CNAS, 2016.10.24
The certificate is valid until 2022.10.28
The Laboratory has been assessed and proved to be in
compliance with CNAS-CL01:2006 (identical to ISO/IEC
17025:2005)
The Certificate Registration Number is L2291.
Accredited by TUV Rheinland Shenzhen 2016.5.19
The Laboratory has been assessed according to the
requirements ISO/IEC 17025.
Accredited by FCC, August 03, 2017
Designation Number: CN1204
Test Firm Registration Number: 882943
Accredited by Industry Canada, November 24, 2015
The Certificate Registration Number is 4480A.
Accredited by A2LA, July 31, 2017
The Certificate Number is 4321.01.
Name of Firm
Site Location
TRF No. FCC Part 15.247/A
EMTEK(SHENZHEN) CO., LTD.
Bldg 69, Majialong Industry Zone, Nanshan District,
Shenzhen, Guangdong, China.
Page 7 of 55
Report No. ES180408055EVer.1.0
3. Description of test modes
The EUT has been tested under its typical operating condition for EUT tested alone.
Pre-defined engineering program for regulatory testing used to control the EUT for staying in
continuous transmitting. Only the worst case data were reported.
The EUT has been associated with peripherals pursuant to ANSI C63.10-2013 and
configuration operated in a manner tended to maximize its emission characteristics in a
typical application. Frequency range investigated: radiation (9 KHz to the 10th harmonics of
the highest fundamental frequency or to 40 GHz, whichever is lower).
TRF No. FCC Part 15.247/A
Page 8 of 55
Report No. ES180408055EVer.1.0
The EUT has been tested under TX operating condition.
Channel List:
Frequency
Frequency
Channel
Channel
(MHz)
(MHz)
00
2402
14
2430
01
2404
15
2432
02
2406
16
2434
03
2408
17
2436
04
2410
18
2438
19
2440
05
2412
06
2414
20
2442
07
2416
21
2444
08
2418
22
2446
09
2420
23
2448
10
2422
24
2450
11
2424
25
2452
12
2426
26
2454
13
2428
27
2456
Channel
28
29
30
31
32
33
34
35
36
37
38
39
Frequency
(MHz)
2458
2460
2462
2464
2466
2468
2470
2472
2474
2476
2478
2480
Note:
1. Test of channel was included the lowest 2402MHz, middle 2440MHz and highest
frequency 2480MHz in highest data rate and to perform the test, then record on this
report.
TRF No. FCC Part 15.247/A
Page 9 of 55
Report No. ES180408055EVer.1.0
4. TEST SYSTEM UNCERTAINTY
The following measurement uncertainty levels have been estimated for tests performed on the
apparatus:
Parameter
Radio Frequency
Maximum Peak Output Power Test
Conducted Emissions Test
Radiated Emission Test
Power Density
Occupied Bandwidth Test
Band Edge Test
All emission, radiated
Antenna Port Emission
Temperature
Humidity
Uncertainty
±1x10^-5
±1.0dB
±2.0dB
±2.0dB
±2.0dB
±1.0dB
±3dB
±3dB
±3dB
±0.5℃
±3%
Remark: The coverage Factor (k=2), and measurement Uncertainty for a level of Confidence of 95%
TRF No. FCC Part 15.247/A
Page 10 of 55
Report No. ES180408055EVer.1.0
5. Conducted Emissions Test
5.1 Measurement Procedure:
1. The EUT was placed on a table, which is 0.8m above ground plane.
2. Maximum procedure was performed on the six highest emissions to ensure EUT
compliance.
3. Repeat above procedures until all frequency measured was complete.
5.2 Test SET-UP (Block Diagram of Configuration)
Test Receiver
AC Mains
EUT
L.I.S.N
5.3 Measurement Equipment Used:
EQUIPMENT
TYPE
Test Receiver
L.I.S.N
MFR
Rohde &
Schwarz
Rohde &
Schwarz
RF Switching
Unit
Coaxial Cable
Conducted Emission Test Site
MODEL
SERIAL
Characteristics
NUMBER
NUMBER
ESCS30
100018
ENV216
100017
CDS
RSU-M2
38401
CDS
79254
46107086
9kHz~3GHz
9KHz-300MHz
9KHz-300MHz
9kHz~3GHz
Last Cal.
Due date
05/16/2017 05/15/2018
05/16/2017 05/15/2018
05/16/2017 05/15/2018
05/16/2017 05/15/2018
5.4 Conducted Emission Limit
(7) Conducted Emission
Frequency(MHz)
Quasi-peak
Average
0.15-0.5
66-56
56-46
0.5-5.0
56
46
5.0-30.0
60
50
Note:
1. The lower limit shall apply at the transition frequencies
2.The limit decreases in line with the logarithm of the frequency in the range of
0.15 to 0.50MHz.
TRF No. FCC Part 15.247/A
Page 11 of 55
Report No. ES180408055EVer.1.0
5.5 Measurement Result:
Operation Mode:
TX
Test Date :
April 08, 2018
Frequency Range:
0.15MHz~30MHz
Temperature :
28℃
Test Result:
Test By:
PASS
Lin
Humidity :
65 %
Pass.
Conducted emission at both 120V & 240V, and emission at 120V represents the worst
case. All the modulation modes were tested the data of the worst mode (GFSK TX
2402MHz) are recorded in the following pages and the others modulation methods do not
exceed the limits.
Please refer to the following data.
TRF No. FCC Part 15.247/A
Page 12 of 55
Report No. ES180408055EVer.1.0
TRF No. FCC Part 15.247/A
Page 13 of 55
Report No. ES180408055EVer.1.0
TRF No. FCC Part 15.247/A
Page 14 of 55
Report No. ES180408055EVer.1.0
5.6 Conducted Measurement Photos:
TRF No. FCC Part 15.247/A
Page 15 of 55
Report No. ES180408055EVer.1.0
6. Radiated Emission Test
6.1 Measurement Procedure
1. The testing follows the guidelines in ANSI C63.10-2013.
2. Below 1000MHz, The EUT was placed on a turn table which is 0.8m above ground
plane. And above 1000MHz, The EUT was placed on a styrofoam table which is 1.5m
above ground plane.
3. The EUT was set 3 meters from the interference receiving antenna, which was
mounted on the top of a variable height antenna tower.
4. The EUT was arranged to its worst case and then tune the Antenna tower (From 1m
to 4m) and turntable (from 0 degree to 360 degrees) to find the maximum reading. A
pre-amp and a high pass filter are used for the test in order to get better signal level.
5. For measurement below 1GHz, if the emission level of the EUT measured by the
peak detector is 3dB lower than the applicable limit, the peak emission level will be
reported. Otherwise, the emission measurement will be repeated using the
quasi-peak detector and reported.
6. Final measurement (Above 1GHz): The frequency range will be divided into different
sub ranges depending of the frequency range of the used horn antenna. The EMI
Receiver set to peak and average mode and a resolution bandwidth of 1MHz. The
measurement will be performed in horizontal and vertical polarization of the
measuring antenna and while rotating the EUT in its vertical axis in the range of 0
degree to 360 degree in order to have the antenna inside the cone of radiation.
7. Test Procedure of measurement (For Above 1GHz):
1) Monitor the frequency range at horizontal polarization and move the antenna over
all sides of the EUT(if necessary move the EUT to another orthogonal axis).
2) Change the antenna polarization and repeat 1) with vertical polarization.
3) Make a hardcopy of the spectrum.
4) Measure the frequency of the detected emissions with a lower span and resolution
bandwidth to increase the accuracy and note the frequency value.
5) Change the analyser mode to Clear/ Write and found the cone of emission.
6) Rotate and move the EUT, so that the measuring distance can be enlarged to 3m
and the antenna will be still inside the cone of emission.
7) Measure the level of the detected frequency with the correct resolution bandwidth,
with the antenna polarization and azimuth and the peak and average detector,
which causes the maximum emission.
8) Repeat steps 1) to 7) for the next antenna spot if the EUT is larger than the
antenna beamwidth.
TRF No. FCC Part 15.247/A
Page 16 of 55
Report No. ES180408055EVer.1.0
Use the following spectrum analyzer settings:
When spectrum scanned from 30MHz to 1GHz setting resolution bandwidth 120KHz and
video bandwidth 300KHz:
EMI Test Receiver
Attenuation
RB
VB
Detector
Trace
Setting
Auto
120KHz
300KHz
QP
Max hold
When spectrum scanned above 1GHz setting resolution bandwidth 1MHz, video
bandwidth 3MHz:
EMI Test Receiver
Attenuation
RB
VB
Detector
Trace
Setting
Auto
1MHz
3MHz
Peak
Max hold
When spectrum scanned above 1GHz setting resolution bandwidth 1MHz, video
bandwidth 10Hz:
EMI Test Receiver
Attenuation
RB
VB
Detector
Trace
Setting
Auto
1MHz
10Hz
Peak
Max hold
For Average Measurement:
VBW=10Hz, when duty cycle is no less than 98 percent.
VBW≥1/T, when duty cycle is less than 98 percent where T is the minimum transmission
duration over which the transmitter is on and is transmitting at its maximum power control
level for the tested mode of operation.
Band
Duty Cycle(%)
T(μ s)
1/T(KHz)
2402-2480
100
TRF No. FCC Part 15.247/A
Page 17 of 55
Average
Correction
Factor
VBW Setting
10Hz
Report No. ES180408055EVer.1.0
6.2 Test SET-UP (Block Diagram of Configuration)
(A) Radiated Emission Test Set-Up, Frequency Below 30MHz
Turntable
3m
EUT
Test
Receiver
0.8 m
Ground Plane
Coaxial Cable
(B) Radiated Emission Test Set-Up, Frequency Below 1000MHz
3m
Turntable
1m to 4m
EUT
EMI
0.8m
Ground Plane
Coaxial Cable
(C) Radiated Emission Test Set-Up, Frequency above 1000MHz
3m
4m
Turntable
EUT
1.5m
TRF No. FCC Part 15.247/A
Amplifier
Page 18 of 55
Test
Receiver
Report No. ES180408055EVer.1.0
6.3 Measurement Equipment Used:
Item
Equipment
Manufacturer
FMZB 1519
VULB9163
1166.5950.0
012
000141
CDS
HP
SUNSPO
JIANLI
RSU-M352
8447F
SP-140A
XL-3
818
OPT H64
N/A
N/A
JIANLI
DL-2X100B
N/A
JIANLI
DL-4X100B
N/A
JIANLI
Schwarzbeck
DL-2X50B
PLF-100
N/A
549489
Rosenberger
Rosenberger
Rohde &
Schwarz
Schwarzbeck
Schwarzbeck
CIL02
RG 233/U
A0783566
525178
FSV30
103040
BBHA9120D
BBHA 9170
9120D-1272
BBHA91703
99
J101000000
81
N/A
N/A
N/A
Test Receiver
2.
3.
Loop Antenna
Bilog Antenna
4.
5.
6.
7.
10.
11.
Power Amplifier
Power Amplifier
Color Monitor
Single Line Filter
Single Phase
Power Line Filter
3 Phase Power
Line Filter
DC Power Filter
Cable
12.
13.
Cable
Cable
14.
Signal Analyzer
15.
Horn Antenna
16.
Horn Antenna
17.
Power Amplifier
LUNAR EM
18.
19.
20.
Cable
Cable
Cable
H+S
H+S
H+S
9.
Serial No.
Rohde &
Schwarz
Schwarzbeck
Schwarzbeck
1.
8.
Model No.
TRF No. FCC Part 15.247/A
ESCI
LNA1G18-4
CBL-26
CBL-26
CBL-26
Page 19 of 55
Characteristics
Last Cal.
Cal.
Interval
05/16/2017
1 Year
05/16/2017
05/16/2017
1 Year
1 Year
05/16/2017
05/16/2017
05/16/2017
05/16/2017
1 Year
1 Year
1 Year
1 Year
05/16/2017
1 Year
05/16/2017
1 Year
-9KHz-3GHz
9KHz-3GHz
9KHz-3GHz
9KHz-40GHz
05/16/2017
05/16/2017
1 Year
1 Year
05/16/2017
05/16/2017
1 Year
1 Year
05/16/2017
1 Year
1GHz-18GHz
14GHz -26.5GHz
05/16/2017
1 Year
05/16/2017
1 Year
05/16/2017
1 Year
05/16/2017
05/16/2017
05/16/2017
1 Year
1 Year
1 Year
9KHz-3GHz
9 KHz -30MHz
25MHz-2GHz
1MHz-1GHz
1GHz-26.5GHz
-----
1GHz-26.5GHz
1GHz-26.5GHz
1GHz-26.5GHz
1GHz-26.5GHz
Report No. ES180408055EVer.1.0
6.4 Radiated emission limit
The emissions from an intentional radiator shall not exceed the field strength levels
specified in the following table 15.209(a):
15.205 Restricted bands of operation
Remark 1. Emission level in dBuV/m=20 log (uV/m)
2. Measurement was performed at an antenna to the closed point of EUT
distance of meters.
3. Only spurious frequency is permitted to locate within the Restricted Bands
specified in provision of  15.205, and the emissions located in restricted
bands also comply with 15.209 limit.
TRF No. FCC Part 15.247/A
Page 20 of 55
Report No. ES180408055EVer.1.0
6.5
Measurement Result
Below 30MHz:
Operation Mode:
TX
Test Date :
April 08, 2018
Frequency Range:
9KHz~30MHz
Temperature :
28℃
Test Result:
Measured Distance:
PASS
3m
Humidity :
Test By:
65 %
Freq.
Ant.Pol.
(MHz)
--
H/V
--
Emission
Level
(dBuV/m)
--
Limit 3m
Over
(dBuV/m)
--
(dB)
--
Note: The low frequency, which started from 9KHz-30MHz, was pre-scanned and the
result which was 20dB lower than the limit line per 15.31(o) was not reported.
Below 1000MHz:
Pass.
All the modulation modes were tested the data of the worst mode (GFSK TX2480MHz)
are recorded in the following pages and the others modulation methods do not exceed
the limits.
Please refer to the following data.
TRF No. FCC Part 15.247/A
Page 21 of 55
Report No. ES180408055EVer.1.0
TRF No. FCC Part 15.247/A
Page 22 of 55
Report No. ES180408055EVer.1.0
TRF No. FCC Part 15.247/A
Page 23 of 55
Report No. ES180408055EVer.1.0
Above 1000MHz~10th Harmonics:
Operation Mode:
Frequency Range:
Test Result:
Measured Distance:
Freq.
(MHz)
4804
7206
9608
12010
14412
16814
4804
7206
9608
12010
14412
16814
TX Mode (CH00: 2402MHz)
1-25GHz
PASS
3m
Test Date :
Temperature :
Humidity :
Test By:
April 08, 2018
25 ℃
50 %
Ant. Pol. Emission Level(dBuV/m) Limit 3m(dBuV/m)
H/V
PK
AV
PK
AV
64.15
44.23
74
54
63.24
43.24
74
54
62.47
42.14
74
54
61.58
41.74
74
54
60.69
40.25
74
54
59.74
39.75
74
54
65.35
45.63
74
54
64.26
44.43
74
54
63.57
43.21
74
54
62.83
42.57
74
54
61.96
41.46
74
54
61.77
40.33
74
54
Margin(dB)
PK
-9.85
-10.76
-11.53
-12.42
-13.31
-14.26
-8.65
-9.74
-10.43
-11.17
-12.04
-12.23
AV
-9.77
-10.76
-11.86
-12.26
-13.75
-14.25
-8.37
-9.57
-10.79
-11.43
-12.54
-13.67
Other harmonics emissions are lower than 20dB below the allowable limit.
Note:
(1) All Readings are Peak Value and AV.
(2) Emission Level= Reading Level+ Probe Factor +Cable Loss.
(3) The average measurement was not performed when the peak measured data
under the limit of average detection.
(4) Measuring frequencies from 1GHz to 25GHz.
TRF No. FCC Part 15.247/A
Page 24 of 55
Report No. ES180408055EVer.1.0
Operation Mode:
Frequency Range:
Test Result:
Measured Distance:
Freq.
(MHz)
4880
7320
9760
12200
14640
17080
4880
7320
9760
12200
14640
17080
TX Mode (CH19: 2440MHz)
1-25GHz
PASS
3m
Test Date :
Temperature :
Humidity :
Test By:
April 08, 2018
25 ℃
50 %
Ant. Pol. Emission Level(dBuV/m) Limit 3m(dBuV/m)
H/V
PK
63.34
62.33
61.75
60.67
59.12
58.28
64.96
63.75
62.34
61.46
60.66
59.13
AV
43.08
42.76
41.64
40.65
39.35
39.29
41.47
43.86
42.88
42.56
41.49
42.34
PK
74
74
74
74
74
74
74
74
74
74
74
74
AV
54
54
54
54
54
54
54
54
54
54
54
54
Margin(dB)
PK
-10.66
-11.67
-12.25
-13.33
-14.88
-15.72
-9.04
-10.25
-11.66
-12.54
-13.34
-14.87
AV
-10.92
-11.24
-12.36
-13.35
-14.65
-14.71
-12.53
-10.14
-11.12
-11.44
-12.51
-11.66
Other harmonics emissions are lower than 20dB below the allowable limit.
Note:
(1) All Readings are Peak Value and AV.
(2) Emission Level= Reading Level+ Probe Factor +Cable Loss.
(3) The average measurement was not performed when the peak measured data
under the limit of average detection.
(4) Measuring frequencies from 1GHz to 25GHz.
TRF No. FCC Part 15.247/A
Page 25 of 55
Report No. ES180408055EVer.1.0
Operation Mode:
Frequency Range:
Test Result:
Measured Distance:
Freq.
(MHz)
4960
7440
9920
12400
14880
17360
4960
7440
9920
12400
14880
17360
TX Mode (CH39: 2480MHz)
1-25GHz
PASS
3m
Test Date :
Temperature :
Humidity :
Test By:
April 08, 2018
25 ℃
50 %
Ant. Pol. Emission Level(dBuV/m) Limit 3m(dBuV/m)
H/V
PK
64.84
63.13
62.24
61.15
60.27
59.72
59.83
63.69
62.91
61.55
60.77
59.18
AV
44.45
43.67
42.24
41.38
40.49
40.73
42.85
43.69
42.61
41.58
40.66
40.71
PK
74
74
74
74
74
74
74
74
74
74
74
74
AV
54
54
54
54
54
54
54
54
54
54
54
54
Margin(dB)
PK
-9.16
-10.87
-11.76
-12.85
-13.73
-14.28
-14.17
-10.31
-11.09
-12.45
-13.23
-14.82
AV
-9.55
-10.33
-11.76
-12.62
-13.51
-13.27
-11.15
-10.31
-11.39
-12.42
-13.34
-13.29
Other harmonics emissions are lower than 20dB below the allowable limit.
Note:
(1) All Readings are Peak Value and AV.
(2) Emission Level= Reading Level+ Probe Factor +Cable Loss.
(3) The average measurement was not performed when the peak measured data
under the limit of average detection.
(4) Measuring frequencies from 1GHz to 25GHz.
TRF No. FCC Part 15.247/A
Page 26 of 55
Report No. ES180408055EVer.1.0
6.6 Radiated Measurement Photos:
TRF No. FCC Part 15.247/A
Page 27 of 55
Report No. ES180408055EVer.1.0
7. 6dB Bandwidth Measurement
7.1 Measurement Procedure
The EUT was operating in Bluetooth mode or could be controlled its channel. Printed out
the test result from the spectrum by hard copy function.
7.2 Test SET-UP (Block Diagram of Configuration)
EUT
Spectrum
7.3 Measurement Equipment Used:
EQUIPMENT
TYPE
Spectrum Analyzer
Coaxial Cable
Antenna Connector
MFR
MODEL
NUMBER
Rohde & Schwarz
FSV30
CDS
79254
ARTHUR-YANG 2244-N1TG1
SERIAL
NUMBER
1321.3008K
46107086
N/A
Characteristics
10Hz-30GHz
10Hz-30GHz
10Hz-30GHz
LAST
CAL.
05/16/2017
05/16/2017
05/16/2017
CAL DUE.
05/15/2018
05/15/2018
05/15/2018
Remark: The temporary antenna connector is soldered on the PCB board in order to perform
conducted tests and this temporary antenna connector is listed in the equipment list.
7.4 Limit
The minimum 6dB bandwidth shall be at least 500kHz.
7.5 Measurement Results:
Refer to attached data chart.
Spectrum Detector:
Test By:
Test Result:
Channel number
00
19
39
TRF No. FCC Part 15.247/A
PK
PASS
Test Date :
Temperature :
Humidity :
Channel
frequency (MHz)
2402
2440
2480
Measurement level
(KHz)
700
695
698
Page 28 of 55
April 08, 2018
25 ℃
50 %
Required Limit
(KHz)
>500
>500
>500
Report No. ES180408055EVer.1.0
Channel 00:
Channel 19:
TRF No. FCC Part 15.247/A
Page 29 of 55
Report No. ES180408055EVer.1.0
Channel 39:
TRF No. FCC Part 15.247/A
Page 30 of 55
Report No. ES180408055EVer.1.0
8. MAXIMUM PEAK OUTPUT POWER TEST
8.1 Measurement Procedure
a. The Transmitter output (antenna port) was connected to the spectrum Analyzer.
b. Turn on the EUT and then record the peak power value.
c. Repeat above procedures on all channels needed to be tested.
8.2 Test SET-UP (Block Diagram of Configuration)
EUT
Spectrum Analyzer
8.3 Measurement Equipment Used:
EQUIPMENT
TYPE
Spectrum Analyzer
Coaxial Cable
Antenna Connector
MFR
MODEL
NUMBER
Rohde & Schwarz
FSV30
CDS
79254
ARTHUR-YANG 2244-N1TG1
SERIAL
NUMBER
1321.3008K
46107086
N/A
Characteristics
10Hz-30GHz
10Hz-30GHz
10Hz-30GHz
LAST
CAL.
05/16/2017
05/16/2017
05/16/2017
CAL DUE.
05/15/2018
05/15/2018
05/15/2018
Remark: The temporary antenna connector is soldered on the PCB board in order to perform
conducted tests and this temporary antenna connector is listed in the equipment list.
8.4 Peak Power output limit
The maximum peak power shall be less 1Watt.
8.5
Measurement Results:
Refer to attached data chart.
Spectrum Detector:
Test By:
Test Result:
PK
PASS
Test Date :
Temperature :
Humidity :
April 08, 2018
25 ℃
50 %
Channel
number
Channel
Frequency
(MHz)
2402
-5.55
0.279
1W(30dBm)
PASS
19
2440
-4.54
0.352
1W(30dBm)
PASS
39
2480
-3.53
0.444
1W(30dBm)
PASS
TRF No. FCC Part 15.247/A
Peak Power Peak Power Peak Power
output(dBm) output(mW)
Limit(W)
Page 31 of 55
Pass/Fail
Report No. ES180408055EVer.1.0
Channel 00:
Channel 19:
TRF No. FCC Part 15.247/A
Page 32 of 55
Report No. ES180408055EVer.1.0
Channel 39:
TRF No. FCC Part 15.247/A
Page 33 of 55
Report No. ES180408055EVer.1.0
9. Power Spectral Density Measurement
9.1Measurement Procedure
The EUT was operating in Bluetooth mode or could be controlled its channel. Printed out
the test result from the spectrum by hard copy function.
9.2 Test SET-UP (Block Diagram of Configuration)
EUT
Spectrum Analyzer
9.3 Measurement Equipment Used:
EQUIPMENT
TYPE
Spectrum Analyzer
Coaxial Cable
Antenna Connector
MFR
MODEL
NUMBER
Rohde & Schwarz
FSV30
CDS
79254
ARTHUR-YANG 2244-N1TG1
SERIAL
NUMBER
1321.3008K
46107086
N/A
Characteristics
10Hz-30GHz
10Hz-30GHz
10Hz-30GHz
LAST
CAL.
05/16/2017
05/16/2017
05/16/2017
CAL DUE.
05/15/2018
05/15/2018
05/15/2018
Remark: The temporary antenna connector is soldered on the PCB board in order to perform
conducted tests and this temporary antenna connector is listed in the equipment list.
9.4 Measurement Procedure
9.4.1 The RF output of EUT was connected to the spectrum analyzer by RF cable and
attenuator. The path loss was compensated to the results for each measurement.
9.4.2. Set to the maximum power setting and enable the EUT transmit continuously.
9.4.3. Make the measurement with the spectrum analyzer's resolution bandwidth (RBW)
= 3 kHz. Video bandwidth VBW = 10 kHz In order to make an accurate measurement, set the
span to 1.5 times DTS Channel Bandwidth. (6dB BW)
9.4.4. Detector = peak, Sweep time = auto couple, Trace mode = max hold, Allow trace
to fully stabilize. Use the peak marker function to determine the maximum power level.
9.4.5. Measure and record the results in the test report.
9.4.6. The Measured power density (dBm)/ 100KHz is a reference level and used as
20dBc down limit line for Conducted Band Edges and Conducted Spurious Emission.
TRF No. FCC Part 15.247/A
Page 34 of 55
Report No. ES180408055EVer.1.0
9.5 Measurement Results:
The following table is the setting of spectrum analyzer.
Spectrum analyzer
Attenuation
Span Frequency
RB
VB
Detector
Trace
Sweep Time
Setting
Auto
Set the span to 1.5 times the DTS bandwidth.
3KHz
10KHz
Peak
Max hold
Automatic
Refer to attached data chart.
Spectrum Detector:
Test By:
Test Result:
Channel
number
00
19
39
PK
PASS
Channel
frequency
(MHz)
2402
2440
2480
Test Date :
Temperature :
Humidity :
Measurement level
(dBm)
PSD/100kHz PSD/3kHz
-5.98
-18.90
-4.94
-18.23
-3.95
-17.12
April 08, 2018
25 ℃
50 %
Required
Limit
(dBm/3kHz)
Pass/Fail
PASS
PASS
PASS
Note:
1. Measured power density(dBm) has offset with cable loss.
2. The measured power density(dBm)/100KHz is reference level and used as 20dBc down for Conducted
Band Edges and Conducted Spurious Emission limit line.
TRF No. FCC Part 15.247/A
Page 35 of 55
Report No. ES180408055EVer.1.0
PSD 100kHz Plot:
Channel 00
Channel 19
TRF No. FCC Part 15.247/A
Page 36 of 55
Report No. ES180408055EVer.1.0
Channel 39
PSD 3KHz Plot:
Channel 00
TRF No. FCC Part 15.247/A
Page 37 of 55
Report No. ES180408055EVer.1.0
Channel 19
Channel 39
TRF No. FCC Part 15.247/A
Page 38 of 55
Report No. ES180408055EVer.1.0
10. Band EDGE test
10.1 Measurement Procedure
For Conducted Test
1. The transmitter output is connected to a spectrum analyzer. The resolution bandwidth is
set to 100KHz. The video bandwidth is set to 300KHz.
2. The spectrum from 30MHz to 26 GHz is investigated with the transmitter set to the
lowest, middle, and highest channels.
EMI Test Receiver
Setting
Attenuation
Auto
RBW
100KHz
VBW
300KHz
Detector
Peak
Trace
Max hold
For Radiated emission Test
The EUT was placed on a styrofoam table which is 1.5m above ground plane.
The measurement procedure at the ban edges was simplified by performing the
measurement in just one plot. Both, the in-band-emission and the unwanted emission were
be encompassed by the span. After trace stabilization, the maximum peak was be
determined by a peak detector and the value was marked by an appropriate limit line. The
second limit line, which is 20dB below the first, marks the limit for the emissions in the
unrestricted band. A maximum-peak-detector marks the highest emission in the
unrestricted band next to the band edge.
The measurements were performed at the lower end of the 2.4GHz band.
Use the following spectrum analyzer settings:
For Restricted Band, When spectrum scanned above 1GHz setting resolution bandwidth
1MHz, video bandwidth 3MHz:
EMI Test Receiver
Setting
Attenuation
Auto
RBW
1MHz
VBW
3MHz
Detector
Peak
Trace
Max hold
For Non-Restricted Band, When spectrum scanned above 1GHz setting resolution
bandwidth 100KHz, video bandwidth 300KHz:
EMI Test Receiver
Attenuation
RBW
VBW
Detector
Trace
TRF No. FCC Part 15.247/A
Setting
Auto
100KHz
300KHz
Peak
Max hold
Page 39 of 55
Report No. ES180408055EVer.1.0
10.2 Test SET-UP (Block Diagram of Configuration)
For Conducted Test
EUT
Spectrum
For Radiated emission Test
3m
4m
Turntable
EUT
1.5 m
Amplifier
Test
Receiver
10.3 Measurement Equipment Used:
For Conducted Test
EQUIPMENT
TYPE
Spectrum Analyzer
Coaxial Cable
Antenna Connector
MFR
MODEL
NUMBER
Rohde & Schwarz
FSV30
CDS
79254
ARTHUR-YANG 2244-N1TG1
SERIAL
NUMBER
1321.3008K
46107086
N/A
Characteristics
10Hz-30GHz
10Hz-30GHz
10Hz-30GHz
LAST
CAL.
05/16/2017
05/16/2017
05/16/2017
CAL DUE.
05/15/2018
05/15/2018
05/15/2018
Remark: The temporary antenna connector is soldered on the PCB board in order to perform
conducted tests and this temporary antenna connector is listed in the equipment list.
For Radiated emission Test
Item
Equipment
Manufacturer
Model No.
Serial No.
Signal
Analyzer
Rohde &
Schwarz
FSV30
103040
Horn Antenna
Schwarzbeck
BBHA9120D
LUNAR EM
LNA1G18-40
H+S
H+S
CBL-26
CBL-26
9120D-12
72
J1010000
0081
N/A
N/A
H+S
CBL-26
N/A
Power
Amplifier
Cable
Cable
Cable
TRF No. FCC Part 15.247/A
Page 40 of 55
Characteristics
9KHz-40GHz
1GHz-18GHz
1GHz-26.5GHz
Last Cal.
Cal.
Interval
05/16/2017
1 Year
05/16/2017
1 Year
05/16/2017
1 Year
1GHz-26.5GHz
1GHz-26.5GHz
05/16/2017
05/16/2017
1 Year
1 Year
1GHz-26.5GHz
05/16/2017
1 Year
Report No. ES180408055EVer.1.0
10.4 Measurement Results:
Refer to attached data chart.
Spectrum Detector:
Test By:
Test Result:
PK
PASS
Test Date :
Temperature :
Humidity :
April 08, 2018
25 ℃
50 %
1. Conducted Test
Frequency
Peak Power Output(dBm)
(MHz)
2399.25
2483.6
Result of Band
edge(dBc)
Band edge
Limit(dBc)
-5.94
-3.82
45.34
47.07
>20dBc
>20dBc
TRF No. FCC Part 15.247/A
Page 41 of 55
Report No. ES180408055EVer.1.0
TRF No. FCC Part 15.247/A
Page 42 of 55
Report No. ES180408055EVer.1.0
2. Radiated emission Test
TRF No. FCC Part 15.247/A
Page 43 of 55
Report No. ES180408055EVer.1.0
TRF No. FCC Part 15.247/A
Page 44 of 55
Report No. ES180408055EVer.1.0
TRF No. FCC Part 15.247/A
Page 45 of 55
Report No. ES180408055EVer.1.0
TRF No. FCC Part 15.247/A
Page 46 of 55
Report No. ES180408055EVer.1.0
11 Antenna Application
11.1 Antenna requirement
The EUT’S antenna is met the requirement of FCC part 15C section 15.203 and
15.247.
FCC part 15C section 15.247 requirements:
Systems operating in the 2402-2480MHz band that are used exclusively for fixed,
point-to-point operations may employ transmitting antennas with directional gain greater
than 6dBi provided the maximum peak output power of the intentional radiator is
reduced by 1dB for every 3dB that the directional gain of the antenna exceeds 6dBi.
11.2 Result
The EUT’s antenna, permanent attached antenna, used a PCB antenna and
integrated on PCB, The antenna’s gain is 4.0dBi and meets the requirement.
TRF No. FCC Part 15.247/A
Page 47 of 55
Report No. ES180408055EVer.1.0
APPENDIX
(Photos of EUT)
TRF No. FCC Part 15.247/A
Page 48 of 55
Report No. ES180408055EVer.1.0
TRF No. FCC Part 15.247/A
Page 49 of 55
Report No. ES180408055EVer.1.0
TRF No. FCC Part 15.247/A
Page 50 of 55
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TRF No. FCC Part 15.247/A
Page 51 of 55
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TRF No. FCC Part 15.247/A
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TRF No. FCC Part 15.247/A
Page 53 of 55
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TRF No. FCC Part 15.247/A
Page 54 of 55
Report No. ES180408055EVer.1.0
TRF No. FCC Part 15.247/A
Page 55 of 55
Report No. ES180408055EVer.1.0
Download: E4STA5517 LED TV Test Report ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT Shenyang Tongfang Multimedia Technology Co., Limited
Mirror Download [FCC.gov]E4STA5517 LED TV Test Report ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT Shenyang Tongfang Multimedia Technology Co., Limited
Document ID3846802
Application IDs39Oot3OjZ8pfQ6M9StmRA==
Document DescriptionRF Test Report-BLE
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Permanent ConfidentialNo
SupercedeNo
Document TypeTest Report
Display FormatAdobe Acrobat PDF - pdf
Filesize188.7kB (2358801 bits)
Date Submitted2018-05-11 00:00:00
Date Available2018-05-11 00:00:00
Creation Date2018-04-28 16:12:53
Producing SoftwareMicrosoft® Office Word 2007
Document Lastmod2018-04-28 16:12:53
Document TitleELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT
Document CreatorMicrosoft® Office Word 2007
Document Author: fly

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Title                           : ELECTROMAGNETIC EMISSIONS COMPLIANCE REPORT
Author                          : fly
Creator                         : Microsoft® Office Word 2007
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