JW03 Wireless Charger Test Report Measurement Report Shenzhen Joway Power Supply Co., Ltd.

Shenzhen Joway Power Supply Co., Ltd. Wireless Charger

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FCC TEST REPORT
Report No: STS1811113W02
Issued for
Shenzhen Joway Power Supply Co., Ltd.
Floor 1-5 of Bldg 10th and Bldg 11th, Antuoshan High-Tech
Industrial Park, Sha'er Community, Shajing Street, Bao'an
District, Shenzhen,China
Product Name: Wireless Charger
Brand Name: JOWAY
Model Name: JW03
Series Model: N/A
FCC ID: 2AEZ4JW03
Test Standard: FCC Part 15 Subpart C
Any reproduction of this document must be done in full. No single part of this document may be reproduced without
permission from STS, All Test Data Presented in this report is only applicable to presented Test sample.
Shenzhen STS Test Services Co., Ltd.
1/F., Building B, Zhuoke Science Park, No.190, Chongqing Road,
Fuyong Street, Bao’an District, Shenzhen, Guangdong, China
TEL: +86-755 3688 6288 FAX: +86-755 3688 6277 E-mail:sts@stsapp.com
Page 2 of 26
Report No.: STS1811113W02
TEST RESULT CERTIFICATION
Applicant’s name .................... : Shenzhen Joway Power Supply Co., Ltd.
Floor 1-5 of Bldg 10th and Bldg 11th, Antuoshan High-Tech
Address .................................. : Industrial Park, Sha'er Community, Shajing Street, Bao'an District,
Shenzhen,China
Manufacture's Name .............. : Shenzhen Joway Power Supply Co., Ltd.
Floor 1-5 of Bldg 10th and Bldg 11th, Antuoshan High-Tech
Address .................................. : Industrial Park, Sha'er Community, Shajing Street, Bao'an District,
Shenzhen,China
Product description
Product Name ........................ : Wireless Charger
Brand Name ......................... : JOWAY
Model Name ........................... : JW03
Series Model .......................... : N/A
Test Standards ...................... : FCC Part 15 Subpart C
Test Procedure………………. : ANSI C63.10-2013
This device described above has been tested by STS, the test results show that the equipment
under test (EUT) is in compliance with the FCC requirements. And it is applicable only to the tested
sample identified in the report.
This report shall not be reproduced except in full, without the written approval of STS, this document
only be altered or revised by STS, personal only, and shall be noted in the revision of the document.
Date of performance of tests…....: 22 Nov.2018 ~ 30 Nov.2018
Date of Issue ………………….…: 04 Dec.2018
Test Result………………………...: Pass
Testing Engineer
( Chris chen )
Technical Manager
( Sunday Hu )
Authorized Signatory :
(Vita Li)
Page 3 of 26
Report No.: STS1811113W02
Table of Contents
1. SUMMARY OF TEST RESULTS
Page
1.1 TEST FACTORY
1.2 MEASUREMENT UNCERTAINTY
2. GENERAL INFORMATION
2.1 GENERAL DESCRIPTION OF THE EUT
2.2 DESCRIPTION OF THE TEST MODES
2.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED
2.4 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS
2.5 EQUIPMENTS LIST FOR ALL TEST ITEMS
3.CONDUCTED EMISSION TEST RESULT(SECTION 15.207)
10
11
3.1 POWER LINE CONDUCTED EMISSION LIMITS
11
3.2 TEST PROCEDURE
12
3.3 TEST SETUP
12
3.4 EUT OPERATING CONDITIONS
12
3.5TEST RESULTS
13
4. RADIATED& FIELD EMISSION TEST RESULT(SECTIOU 15.209 )
17
4.1 LIMIT
17
4.2 TEST PROCEDURE
17
4.3 TEST SETUP
18
4.4 TEST RESULTS
19
5. 20 DB BANDWIDTH TEST
24
5.1 LIMIT
24
5.2 TEST SETUP
24
5.3 TEST RESULTS
24
APPENDIX-PHOTOS OF TEST SETUP
26
Page 4 of 26
Report No.: STS1811113W02
Revision History
Rev.
Issue Date
Report NO.
Effect Page
Contents
00
04 Dec.2018
STS1811113W02
ALL
Initial Issue
Page 5 of 26
Report No.: STS1811113W02
1. SUMMARY OF TEST RESULTS
Test procedures according to the technical standards:
FCC Part15 , Subpart C
Standard
Section
Test Item
Judgment
15.207
Conducted Emission
PASS
15.209(a)
Radiated emission, Spurious Emission
PASS
15.215
20 dB Bandwidth
PASS
Remark
1.1 TEST FACTORY
Shenzhen STS Test Services Co., Ltd.
Add. : 1/F., Building B, Zhuoke Science Park, No.190, Chongqing Road,
Fuyong Street, Bao’an District, Shenzhen, Guangdong, China
FCC Registration No.: 625569
IC Registration No.: 12108A; A2LA Certificate No.: 4338.01;
1.2 MEASUREMENT UNCERTAINTY
The reported uncertainty of measurement y ±U,where expended uncertainty U is based on a
standard uncertainty multiplied by a coverage factor of
k=2,providing a level of confidence of
approximately 95 %。
No.
Item
Uncertainty
RF output power,conducted
±0.71dB
Unwanted Emissions,conducted
±0.63dB
All emissions,radiated 30-200MHz
±3.43dB
All emissions,radiated 200MHz-1GHz
±3.57dB
All emissions,radiated>1G
±4.13dB
Conducted Emission(9KHz-150KHz)
±3.18dB
Conducted Emission(150KHz-30MHz)
±2.70dB
Page 6 of 26
Report No.: STS1811113W02
2. GENERAL INFORMATION
2.1 GENERAL DESCRIPTION OF THE EUT
Product Name
Wireless Charger
Trade Name
JOWAY
Model Name
JW03
Series Model
N/A
Model Difference
N/A
Channel List
Please refer to the Note 2.
Equipemnt Category
Non-ISM frequency
Operating frequency
110.5-205KHZ
Modulation Type
ASK
Power Rating:
Input: 5VDC 2A / 9VDC 1.67A (QC)
MAX Output: 10W
Hardware version number
NC
Software version number
NC
Connecting I/O Port(s)
Please refer to the User’s Manual
Note:
1. For a more detailed features description, please refer to the manufacturer’s specifications
or the User’s Manual.
2.
Channel List
Frequency
Frequency
Frequency
Channel
Channel
Channel
(KHz)
(KHz)
(KHz)
00
175.17
3. Table for Filed Antenna
Ant.
Brand
Model Name Antenna Type Connector
NOTE
JOWAY
JW03
Coil
N/A
Antenna
Page 7 of 26
Report No.: STS1811113W02
2.2 DESCRIPTION OF THE TEST MODES
To investigate the maximum EMI emission characteristics generates from EUT, the test system
was pre-scanning tested base on the consideration of following EUT operation mode or test
configuration mode which possible have effect on EMI emission level. Each of these EUT
operation mode(s) or test configuration mode(s) mentioned above was evaluated respectively.
Pretest Mode
Description
Mode 1
Charging+TX Mode
For Conducted Emission
Final Test Mode
Description
Mode 1
Charging+TX Mode
For Radiated Emission
Final Test Mode
Description
Mode 1
Charging+TX Mode
Page 8 of 26
Report No.: STS1811113W02
2.3 BLOCK DIGRAM SHOWING THE CONFIGURATION OF SYSTEM TESTED
During testing channel & power controlling software provided by the customer was used to control
the operating channel as well as the output power level. The RF output power selection is for the
setting of RF output power expected by the customer and is going to be fixed on the firmware of
the final end product power parameters
Radiated Emission Test
E-1
EUT
C-1
E-2
Adapter
Conducted EmissionTest
AC Plug
E-2
Adapter
C-1
E-1
EUT
AC Plug
Page 9 of 26
Report No.: STS1811113W02
2.4 DESCRIPTION OF NECESSARY ACCESSORIES AND SUPPORT UNITS
The EUT has been tested as an independent unit together with other necessary accessories or
support units. The following support units or accessories were used to form a representative test
configuration during the tests.
Necessary accessories
Model/Type
Item
Equipment
Mfr/Brand
Serial No.
Note
No.
E-2
Adapter
LITEON
PA-1650-86
N/A
N/A
C-1
DC Cable
N/A
N/A
N/A
N/A
Serial No.
Note
N/A
N/A
Item
Equipment
Mfr/Brand
N/A
N/A
N/A
Note:
(1)
(2)
FCC SDOC approved.
FTP is Foiled Twisted Pair.
Support units
Model/Type
No.
N/A
Page 10 of 26
Report No.: STS1811113W02
2.5 EQUIPMENTS LIST FOR ALL TEST ITEMS
Radiation Test equipment
Kind of Equipment
Manufacturer
Type No.
Serial No.
Test Receiver
R&S
ESCI
101427
2018.10.13
2019.10.12
Bilog Antenna
TESEQ
CBL6111D
34678
2017.11.02
2020.11.01
PreAmplifier
SKET
2018.10.13
2019.10.12
Loop Antenna
ZHINAN
ZN30900C
16035
2017.03.11
2020.03.10
USB RF power
sensor
DARE
RPR3006W
15I00041SNO03
2018.10.13
2019.10.12
LNPA-01018G-45 SK2018080901
Last calibration Calibrated until
Conduction Test equipment
Kind of Equipment
Manufacturer
Type No.
Serial No.
Last calibration Calibrated until
Test Receiver
R&S
ESCI
101427
2018.10.13
2019.10.12
LISN
R&S
ENV216
101242
2018.10.13
2019.10.12
LISN
EMCO
3810/2NM
000-23625
2018.10.13
2019.10.12
Page 11 of 26
Report No.: STS1811113W02
3.CONDUCTED EMISSION TEST RESULT(SECTION 15.207)
3.1 POWER LINE CONDUCTED EMISSION LIMITS
Operating frequency band. In case the emission fall within the restricted band specified on Part
15.207 limit in the table below has to be followed.
FREQUENCY (MHz)
Class B (dBuV)
Quasi-peak
Average
0.15 -0.5
66 - 56 *
56 - 46 *
0.50 -5.0
56.00
46.00
5.0 -30.0
60.00
50.00
Note:
(1) The tighter limit applies at the band edges.
(2) The limit of " * " marked band means the limitation decreases linearly with the
logarithm of the frequency in the range.
The following table is the setting of the receiver
Receiver Parameters
Attenuation
Start Frequency
Stop Frequency
IF Bandwidth
Setting
10 dB
0.15 MHz
30 MHz
9 kHz
Page 12 of 26
Report No.: STS1811113W02
3.2 TEST PROCEDURE
a. The EUT was placed 0.8 meters from the horizontal ground plane with EUT being connected
to the power mains through a line impedance stabilization network (LISN). All other support
equipments powered from additional LISN(s). The LISN provide 50 Ohm/ 50uH of coupling
impedance for the measuring instrument.
b. Interconnecting cables that hang closer than 40 cm to the ground plane shall be folded back
and forth in the center forming a bundle 30 to 40 cm long.
c. I/O cables that are not connected to a peripheral shall be bundled in the center. The end of the
cable may be terminated, if required, using the correct terminating impedance. The overall
length shall not exceed 1 m.
d. LISN at least 80 cm from nearest part of EUT chassis.
e. For the actual test configuration, please refer to the related Item –EUT Test Photos.
3.3 TEST SETUP
Vertical Reference
Test Receiver
Ground Plane
40cm
EUT
80cm
LISN
Horizontal Reference
Ground Plane
Note: 1.Support units were connected to second LISN.
2.Both of LISNs (AMN) are 80 cm from EUT and at least 80
cm
from other units and other metal planes
support.
units.
3.4 EUT OPERATING CONDITIONS
The EUT was configured for testing in a typical fashion (as a customer would normally use it). The
EUT has been programmed to continuously transmit during test. This operating condition was
tested and used to collect the included data.
Page 13 of 26
Report No.: STS1811113W02
3.5TEST RESULTS
Temperature:
24.2 ℃
Relative
Humidity:
56%
Test Voltage:
AC 120V 60Hz
Phase:
Test Mode:
5VDC 2A mode
Frequency
(MHz)
0.2300
Reading
(dBuV)
30.22
Factor
(dB)
20.46
Result
(dBuV)
50.68
Limit
(dBuV/m)
62.45
Margin
(dB)
-11.77
0.2300
13.60
20.46
34.06
52.45
-18.39
AVG
0.5020
25.91
20.43
46.34
56.00
-9.66
QP
0.5020
15.27
20.43
35.70
46.00
-10.30
AVG
1.1940
25.55
20.15
45.70
56.00
-10.30
QP
1.1940
14.43
20.15
34.58
46.00
-11.42
AVG
2.9900
18.22
20.08
38.30
56.00
-17.70
QP
2.9900
9.65
20.08
29.73
46.00
-16.27
AVG
7.2460
20.36
19.90
40.26
60.00
-19.74
QP
10
7.2460
12.30
19.90
32.20
50.00
-17.80
AVG
11
15.6580
18.23
19.84
38.07
60.00
-21.93
QP
12
15.6580
12.69
19.84
32.53
50.00
-17.47
AVG
No.
Remark:
1. All readings are Quasi-Peak and Average values.
2. Margin = Result (Result =Reading + Factor )–Limit
Detector
QP
Page 14 of 26
Report No.: STS1811113W02
Temperature:
24.2 ℃
Relative
Humidity:
56%
Test Voltage:
AC 120V 60Hz
Phase:
Test Mode:
5VDC 2A mode
Frequency
(MHz)
0.1740
Reading
(dBuV)
27.71
Factor
(dB)
20.26
Result
(dBuV)
47.97
Limit
(dBuV/m)
64.77
Margin
(dB)
-16.80
0.1740
10.52
20.26
30.78
54.77
-23.99
AVG
0.3660
25.81
20.60
46.41
58.59
-12.18
QP
0.3660
12.19
20.60
32.79
48.59
-15.80
AVG
1.3020
26.54
20.16
46.70
56.00
-9.30
QP
1.3020
18.20
20.16
38.36
46.00
-7.64
AVG
2.8180
24.30
20.09
44.39
56.00
-11.61
QP
2.8180
12.36
20.09
32.45
46.00
-13.55
AVG
8.4460
25.11
19.88
44.99
60.00
-15.01
QP
10
8.4460
14.34
19.88
34.22
50.00
-15.78
AVG
11
14.8940
21.12
19.81
40.93
60.00
-19.07
QP
12
14.8940
13.28
19.81
33.09
50.00
-16.91
AVG
No.
Remark:
1. All readings are Quasi-Peak and Average values.
2. Margin = Result (Result =Reading + Factor )–Limit
Detector
QP
Page 15 of 26
Report No.: STS1811113W02
Temperature:
24.2 ℃
Relative
Humidity:
56%
Test Voltage:
AC 120V 60Hz
Phase:
Test Mode:
9VDC 1.67A mode
Frequency
(MHz)
0.1500
Reading
(dBuV)
29.43
Factor
(dB)
20.23
Result
(dBuV)
49.66
Limit
(dBuV/m)
66.00
Margin
(dB)
-16.34
0.1500
2.87
20.23
23.10
56.00
-32.90
AVG
0.2185
25.97
20.32
46.29
62.88
-16.59
QP
0.2185
7.44
20.32
27.76
52.88
-25.12
AVG
0.5660
26.31
20.41
46.72
56.00
-9.28
QP
0.5660
12.13
20.41
32.54
46.00
-13.46
AVG
1.3500
20.52
20.12
40.64
56.00
-15.36
QP
1.3500
7.52
20.12
27.64
46.00
-18.36
AVG
3.5100
21.91
19.96
41.87
56.00
-14.13
QP
10
3.5100
12.73
19.96
32.69
46.00
-13.31
AVG
11
10.7900
22.54
20.11
42.65
60.00
-17.35
QP
12
10.7900
18.42
20.11
38.53
50.00
-11.47
AVG
No.
Remark:
1. All readings are Quasi-Peak and Average values.
2. Margin = Result (Result =Reading + Factor )–Limit
Detector
QP
Page 16 of 26
Report No.: STS1811113W02
Temperature:
24.2 ℃
Relative
Humidity:
56%
Test Voltage:
AC 120V 60Hz
Phase:
Test Mode:
9VDC 1.67A mode
Frequency
(MHz)
0.2100
Reading
(dBuV)
27.00
Factor
(dB)
20.37
Result
(dBuV)
47.37
Limit
(dBuV/m)
63.21
Margin
(dB)
-15.84
0.2100
8.07
20.37
28.44
53.21
-24.77
AVG
0.5660
31.12
20.38
51.50
56.00
-4.50
QP
0.5660
16.43
20.38
36.81
46.00
-9.19
AVG
1.1940
23.89
20.15
44.04
56.00
-11.96
QP
1.1940
8.99
20.15
29.14
46.00
-16.86
AVG
3.5060
29.36
20.07
49.43
56.00
-6.57
QP
3.5060
18.56
20.07
38.63
46.00
-7.37
AVG
5.3980
31.00
19.98
50.98
60.00
-9.02
QP
10
5.3980
20.34
19.98
40.32
50.00
-9.68
AVG
11
16.0580
24.27
19.86
44.13
60.00
-15.87
QP
12
16.0580
19.93
19.86
39.79
50.00
-10.21
AVG
No.
Remark:
1. All readings are Quasi-Peak and Average values.
2. Margin = Result (Result =Reading + Factor )–Limit
Detector
QP
Page 17 of 26
Report No.: STS1811113W02
4. RADIATED& FIELD EMISSION TEST RESULT(SECTIOU 15.209 )
4.1 Limit
Frequency
[MHz]
0.009 ~ 0.490
0.490 ~ 1.705
1.705 ~ 30
30 ~ 88
88 ~ 216
216 ~ 960
Above 960
Field Strength
[uV/m]
2400/F (kHz)
24000/F (kHz)
30
100
150
200
500
Measurement Distance
[Meters]
300
30
30
Note:
(1)
The limit for radiated test was performed according to FCC PART 15C.
(2)
The tighter limit applies at the band edges.
(3)
Emission level (dBuV/m)=20log Emission level (uV/m).
Receiver Parameter
Setting
Attenuation
Auto
Start ~ Stop Frequency
9kHz~90kHz / RB 200Hz for AV
Start ~ Stop Frequency
90kHz~110kHz / RB 200Hz for QP
Start ~ Stop Frequency
110kHz~490kHz / RB 200Hz for AV
Start ~ Stop Frequency
490kHz~30MHz / RB 9kHz for QP
Start ~ Stop Frequency
30MHz~1000MHz / RB 120kHz for QP
§15.209(d)The emission limits shown in the above table are based on measurements employing a
CISPR quasi-peak detector except for the frequency bands 9-90 kHz, 110-490 kHz and above
1000 MHz. Radiated emission limits in these three bands are based on measurements employing
an average detector.
4.2 TEST PROCEDURE
a. The measuring distance of at 3 m shall be used for measurements at frequency 0.009MHz up
to 1GHz.
b. The EUT was placed on the top of a rotating table 0.8 meter above the ground at a 3 meter
anechoic chamber. The table was rotated 360 degrees to determine the position of the highest
radiation.
c. The initial step in collecting conducted emission data is a spectrum analyzer peak detector
mode pre-scanning the measurement frequency range. Significant peaks are then marked and
then Quasi Peak detector mode re-measured.
d. If the Peak Mode measured value compliance with and lower than Quasi Peak Mode Limit, the
EUT shall be deemed to meet QP Limits and then no additional QP Mode measurement
performed.
e. For the actual test configuration, please refer to the related Item –EUT Test Photos.
Note:
Both horizontal and vertical antenna polarities were tested and performed pretest to three
orthogonal axis. The worst case emissions were reported.
Page 18 of 26
4.3 TEST SETUP
(A)Radiated Emission Test-Up Frequency Below 30MHz
(B)Radiated Emission Test-Up Frequency 30MHz~1GHz
Report No.: STS1811113W02
Page 19 of 26
Report No.: STS1811113W02
4.4 TEST RESULTS
Temperature:
25 ℃
Relative Humidity: 50%
Test Voltage :
DC 5V/DC 9V
Test Mode :
TX Mode
4.4.1 Spurious Radiated Emission Below 30 MHz
Test mode: DC 5V 2A mode
Frequency Reading
Detector
Ant.
Factor
Cable
(KHz)
(dBμV)
(PK/QP/AV)
(dB/m)
Loss
15
15
36
36
110
110
175.17
175.17
495
21735
74.83
59.64
70.36
55.39
77.59
62.81
96.69
80.38
64.2
69.23
PK
AV
PK
AV
PK
AV
PK
AV
QP
QP
26.27
26.27
22.03
22.03
10.04
10.04
9.43
9.43
1.15
-17.9
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.9
Emission
Limits
Level
(dBμV/m)
(dBμV/m)
101.20
144.08
86.01
124.08
92.49
136.48
77.52
116.48
87.73
126.78
72.95
106.78
106.22
122.74
89.91
102.74
65.45
73.71
52.23
69.54
Margin
(dB)
-42.88
-38.07
-43.99
-38.96
-39.05
-33.83
-16.52
-12.83
-8.26
-17.31
Test voltage: DC 9V 1.67A mode
Frequency Reading
Detector
Ant.
Factor
Cable
(KHz)
(dBμV)
(PK/QP/AV)
(dB/m)
Loss
15
15
36
36
110
110
175.17
175.17
495
21735
75.12
59.45
70.17
55.47
77.46
62.59
96.3
80.5
64.25
69.5
PK
AV
PK
AV
PK
AV
PK
AV
QP
QP
26.27
26.27
22.03
22.03
10.04
10.04
9.43
9.43
1.15
-17.9
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.9
Emission
Limits
Level
(dBμV/m)
(dBμV/m)
101.49
144.08
85.82
124.08
92.30
136.48
77.60
116.48
87.60
126.78
72.73
106.78
105.83
122.74
90.03
102.74
65.50
73.71
52.50
69.54
Margin
(dB)
-42.59
-38.26
-44.18
-38.88
-39.18
-34.05
-16.91
-12.71
-8.21
-17.04
1. “*” Means Fundamental frequency
2. Emission Level [dBμV/m] = Reading [dBμV] + Ant. Factor [dB/m] + Cable Loss [dB]
3.Margin [dB] = Emission Level [dBμV/m] – Limit [dBμV/m]
4.Limit calculation: Limit at specified distance + 40log (300/3) = Limit + 80 dB for up to 0.49 MHz
Limit at specified distance + 40log (30/3) = Limit + 40 dB for above 0.49 MHz, Below 30 MHz
5. During the radiated emission test, the measurement antenna was aligned along the site axis and
orthogonal to the axis, only the worst-case data recorded.
Page 20 of 26
Report No.: STS1811113W02
4.4.2 Spurious Radiated Emission below 1 GHz
Temperature:
25.6 ℃
Relative Humidity: 54%
Test Voltage :
DC 5V 2A mode
Test Mode :
Mode 1
The following table shows the highest levels of radiated emissions on polarizations of vertical
Frequency
Reading
Correct
Result
Limit
Margin
(MHz)
(dBuV)
Factor(dB/m)
(dBuV/m)
(dBuV/m)
(dB)
38.8880
42.64
-15.75
26.89
40.00
-13.11
QP
67.4381
49.06
-24.16
24.90
40.00
-15.10
QP
153.7384
46.85
-18.17
28.68
43.50
-14.82
QP
265.6757
48.15
-15.29
32.86
46.00
-13.14
QP
465.5994
41.95
-10.39
31.56
46.00
-14.44
QP
890.7278
33.74
-2.38
31.36
46.00
-14.64
QP
Remark:
1. Margin = Result (Result =Reading + Factor )–Limit
Remark
Page 21 of 26
Report No.: STS1811113W02
Temperature:
25.6 ℃
Relative Humidity: 54%
Test Voltage :
DC 5V 2A mode
Test Mode :
Mode 1
The following table shows the highest levels of radiated emissions on polarizations of horizontal
Frequency
Reading
Correct
Result
Limit
Margin
(MHz)
(dBuV)
Factor(dB/m)
(dBuV/m)
(dBuV/m)
(dB)
38.8880
42.64
-15.75
26.89
40.00
-13.11
QP
67.4381
49.06
-24.16
24.90
40.00
-15.10
QP
153.7384
46.85
-18.17
28.68
43.50
-14.82
QP
265.6757
48.15
-15.29
32.86
46.00
-13.14
QP
465.5994
41.95
-10.39
31.56
46.00
-14.44
QP
890.7278
33.74
-2.38
31.36
46.00
-14.64
QP
Remark:
1. Margin = Result (Result =Reading + Factor )–Limit
Remark
Page 22 of 26
Report No.: STS1811113W02
Temperature:
25.6 ℃
Relative Humidity: 54%
Test Voltage :
DC 9V 1.67A mode
Test Mode :
Mode 1
The following table shows the highest levels of radiated emissions on polarizations of vertical
Frequency
Reading
Correct
Result
Limit
Margin
(MHz)
(dBuV)
Factor(dB/m)
(dBuV/m)
(dBuV/m)
(dB)
46.9947
47.55
-19.94
27.61
40.00
-12.39
QP
67.4381
49.06
-24.16
24.90
40.00
-15.10
QP
105.6414
45.43
-18.71
26.72
43.50
-16.78
QP
175.0363
45.85
-19.38
26.47
43.50
-17.03
QP
294.1136
47.40
-15.16
32.24
46.00
-13.76
QP
982.6200
34.56
-0.14
34.42
54.00
-19.58
QP
Remark:
1. Margin = Result (Result =Reading + Factor )–Limit
Remark
Page 23 of 26
Report No.: STS1811113W02
Temperature:
25.6 ℃
Relative Humidity: 54%
Test Voltage :
DC 9V 1.67A mode
Test Mode :
Mode 1
The following table shows the highest levels of radiated emissions on polarizations of horizontal
Frequency
Reading
Correct
Result
Limit
Margin
(MHz)
(dBuV)
Factor(dB/m)
(dBuV/m)
(dBuV/m)
(dB)
46.1780
47.54
-19.51
28.03
40.00
-11.97
QP
117.3602
46.91
-17.86
29.05
43.50
-14.45
QP
199.9856
47.44
-20.17
27.27
43.50
-16.23
QP
399.0300
39.81
-11.28
28.53
46.00
-17.47
QP
726.8052
36.87
-4.26
32.61
46.00
-13.39
QP
965.5421
32.97
-0.14
32.83
54.00
-21.17
QP
Remark:
1. Margin = Result (Result =Reading + Factor )–Limit
Remark
Page 24 of 26
Report No.: STS1811113W02
5. 20 DB BANDWIDTH TEST
5.1 Limit
FCC Part 2.1049, Only applicable to report.
5.2 TEST SETUP
Spectrum Parameter
Span Frequency
RB
VB
Detector
Trace
Sweep Time
Setting
approximately 2 to 3 times the 20 dB bandwidth
greater than 1 % of the 20 dB bandwidth,
equal to the RBW
Peak
Max Hold
Auto
The test program and configuration,Refer to 4.2 and 4.3
5.3 TEST RESULTS
Test mode: DC 5V 2A mode
OperatingFrequency(kHz)
20 dB Bandwhidth(Hz)
175.170
247
CH00
Page 25 of 26
Report No.: STS1811113W02
Test mode: DC 9V 1.67A mode
OperatingFrequency(kHz)
20 dB Bandwhidth(Hz)
175.170
247
CH00
Page 26 of 26
Report No.: STS1811113W02
APPENDIX-PHOTOS OF TEST SETUP
Note: See test photos in setup photo document for the actual connections between Product and
support equipment.
※※※※※END OF THE REPORT※※※※※
Download: JW03 Wireless Charger Test Report Measurement Report Shenzhen Joway Power Supply Co., Ltd.
Mirror Download [FCC.gov]JW03 Wireless Charger Test Report Measurement Report Shenzhen Joway Power Supply Co., Ltd.
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