FLEX01 EEG Headset Test Report part 1 Emotiv Inc

Emotiv Inc EEG Headset

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Test Report
Prepared for: Emotiv Inc
Model: EPOC Flex
Description: EEG Headset
Serial Number: FLEX01
FCC ID: 2ADIH-FLEX01
To
FCC Part 15.247 DTS
Date of Issue: August 15, 2018
On the behalf of the applicant:
Emotiv Research Pty Ltd
490 Post Street
Suite 824
San Francisco, CA 94102
Attention of:
Dr. Geoffrey Mackellar, Chief Technical Officer
Ph: 6 141 453-4561
E-Mail: geoff@emotiv.co
Prepared By
Compliance Testing, LLC
1724 S. Nevada Way
Mesa, AZ 85204
(480) 926-3100 phone / (480) 926-3598 fax
www.compliancetesting.com
Project No: p1860040
Poona Saber
Project Test Engineer
This report may not be reproduced, except in full, without written permission from Compliance Testing.
All results contained herein relate only to the sample tested.
p1860040_FCC_Part 15.247_DTS_Rev 1.0
Page 1 of 18
Test Report Revision History
Revision
Date
Revised By
Reason for Revision
1.0
August 9, 2018
Poona Saber
Original Document
p1860040_FCC_Part 15.247_DTS_Rev 1.0
Page 2 of 18
Table of Contents
Description
Page
Standard Test Conditions Engineering Practices ............................................................................... 6
Peak Output Power ............................................................................................................................. 9
Conducted Spurious Emission and Band edge ................................................................................ 10
Radiated Spurious Emissions ........................................................................................................... 11
Occupied Bandwidth ......................................................................................................................... 12
Transmitter Power Spectral Density (PSD) ....................................................................................... 15
Test Equipment Utilized .................................................................................................................... 18
p1860040_FCC_Part 15.247_DTS_Rev 1.0
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ILAC / A2LA
Compliance Testing, LLC, has been accredited in accordance with the recognized International Standard ISO/IEC
17025:2005. This accreditation demonstrates technical competence for a defined scope and the operation of a laboratory
quality management system (refer to the joint ISO-ILAC-IAF Communiqué dated January 2009).
The tests results contained within this test report all fall within our scope of accreditation, unless noted below.
Please refer to http://www.compliancetesting.com/labscope.html for current scope of accreditation.
Testing Certificate Number: 2152.01
FCC Site Reg. #349717
IC Site Reg. #2044A-2
Non-accredited tests contained in this report:
N/A
p1860040_FCC_Part 15.247_DTS_Rev 1.0
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The applicant has been cautioned as to the following
15.21 - Information to User
The user’s manual or instruction manual for an intentional radiator shall caution the user that changes or modifications not
expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.
15.27(a) - Special Accessories
Equipment marked to a consumer must be capable of complying with the necessary regulations in the configuration in
which the equipment is marketed. Where special accessories, such as shielded cables and/or special connectors are
required to enable an unintentional or intentional radiator to comply with the emission limits in this part, the equipment
must be marketed with, i.e. shipped and sold with, those special accessories. However, in lieu of shipping or packaging
the special accessories with the unintentional or intentional radiator, the responsible party may employ other methods of
ensuring that the special accessories are provided to the consumer without an additional charge.
Information detailing any alternative method used to supply the special accessories for a grant of equipment authorization
or retained in the verification records, as appropriate. The party responsible for the equipment, as detailed in § 2.909 of
this chapter, shall ensure that these special accessories are provided with the equipment. The instruction manual for such
devices shall include appropriate instructions on the first page of text concerned with the installation of the device that
these special accessories must be used with the device. It is the responsibility of the user to use the needed special
accessories supplied with the equipment.
p1860040_FCC_Part 15.247_DTS_Rev 1.0
Page 5 of 18
Standard Test Conditions Engineering Practices
Except as noted herein, the following conditions and procedures were observed during the testing:
In accordance with ANSI C63.10-2013 and unless otherwise indicated in the specific measurement results, the ambient
temperature of the actual EUT was maintained within the range of 10° to 40°C (50° to 104°F) unless the particular
equipment requirements specified testing over a different temperature range. Also, unless otherwise indicated, the
humidity levels were in the range of 10% to 90% relative humidity.
Measurement results, unless otherwise noted, are worst-case measurements.
Environmental Conditions
Temperature
(ºC)
Humidity
(%)
Pressure
(mbar)
23.3
28.9
967
EUT Description
Model: EPOC Flex
Description: EEG Headset
Firmware: N/A
Software: Emotive Pro
Serial Number: N/A
Additional Information: The EPOC Flex is a 32-channel flexible EEG system consist of a controller, universal USB
receiver, cap with electrode sensors on. The controller has a Bluetooth low energy radio with mini chip antenna.
Frequency of operation is 2400-2483.5 MHz and unit is a battery operated with recharging capability through mini USB
cable
EUT Operation during Tests
Controller unit is put on continuous transmit mode on Low, mid and high channels controlled via Nrfgo studio software
provided by the manufacturer. A sample unit with SMA connector to antenna port for conducted testing is provided. A
USB receiver to pair with the controller on its normal operation mode is provided as well. For radiated testing the antenna
port of the conducted sample is terminated in a 50 ohm load.
p1860040_FCC_Part 15.247_DTS_Rev 1.0
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Accessories:
Qty
Description
Laptop with Nrfgo studio
J-Link Lite Board
Manufacturer
Model
S/N
DELL
Latitude
N/A
Cables:
Qty
Description
Length
(M)
Shielding
Y/N
Shielded Hood
Y/N
Ferrite
Y/N
Micro-B to USB
<3
N/A
N/A
N/A
USB to Serial Cable
<3
N/A
N/A
N/A
Modifications: None
15.203: Antenna Requirement:
The antenna is permanently attached to the EUT
The antenna uses a unique coupling
The EUT must be professionally installed
The antenna requirement does not apply
p1860040_FCC_Part 15.247_DTS_Rev 1.0
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Test Results Summary
Specification
Test Name
Pass,
Fail, N/A
15.247(b)
Peak Output Power
Pass
15.247(b)
Conducted Spurious Emissions
Pass
15.247(d), 15.209(a), 15.205
Radiated Spurious Emissions
Pass
15.247(d), 15.209(a), 15.205
Emissions At Band Edges
Pass
15.247(a)(2)
Occupied Bandwidth
Pass
15.247(e)
Transmitter Power Spectral Density
Pass
15.207
A/C Powerline Conducted Emissions
N/A
Comments
Battery operated device
p1860040_FCC_Part 15.247_DTS_Rev 1.0
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Peak Output Power
Engineer: Poona Saber
Test Date: 8/3/2018
Test Procedure
The EUT was connected to Spectrum analyzer through the antenna port and procedures of KDB 558074 D01 v04 was
followed to measure the Peak conducted power.
The Spectrum Analyzer was set to the following:
RBW = ≥ DTS bandwidth
VBW ≥ 3 x RBW
Peak Detector
Trace mode = max hold
Sweep = auto
Span ≥ 3 x RBW
The EUT was set to continuous transmit on the lowest, middle and highest frequencies at the maximum power level. The
RF output power was measured using the spectrum analyzer’s channel power function
Test Setup
EUT
Spectrum
Analyzer
Transmitter Peak Output Power
Tuned Frequency
(MHz)
Measured Value
(dBm)
Specification Limit
Result
2402
-5.412
1 W (30 dBm)
Pass
2440
-7.265
1 W (30 dBm)
Pass
2480
-9.76
1 W (30 dBm)
Pass
p1860040_FCC_Part 15.247_DTS_Rev 1.0
Page 9 of 18
Conducted Spurious Emission and Band edge
Engineer: Poona Saber
Test Date: 8/7/2018
Test Procedure
The EUT was connected to a spectrum analyzer to verify that the EUT met the requirements for spurious emissions of
part 15.247 (d) and 15.209 for restricted band emissions. The frequency range from 30 MHz to the 10th harmonic of the
fundamental transmitter was observed. Band edge requirements for 15.205 and 15.247 (d) has been evaluated as well.
Only detectable spurious emissions were recorded and plotted. The peak output power is added to the recorded
measurement to provide the corrected spurious level dBc.
Test Setup
EUT
Spectrum
Analyzer
Note: For conducted measurements in restricted bands per KDB 558074 a maximum ground reflection factor of 4.7 dB
shall be added to EIRP level for frequencies between 30 MHz and 1000 MHz.
See Annex A for test results
p1860040_FCC_Part 15.247_DTS_Rev 1.0
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Radiated Spurious Emissions
Engineer: Poona Saber
Test Date: 8/8/2018
Test Procedure
Radiated Spurious Emissions: 30 – 1000 MHz
The EUT was setup in a semi-anechoic test chamber set 3m from the receiving antenna. The Antenna port on EUT got
terminated into a 50 Ohms Load. The EUT was set to transmit on the lowest, middle and highest frequencies at the maximum
power level. A spectrum analyzer was used to verify that the EUT met the requirements for Radiated Emissions. The EUT
was tested by rotating it 360 with the antennas in both the vertical and horizontal orientation and was raised from 1 to 4
meters to ensure the TX signal levels were maximized.
All emissions from 30 MHz to 1 GHz were examined.
Measured Level includes antenna and receiver cable correction factors.
Correction factors were input into the spectrum analyzer before recording “Measured Level”.
RBW = 100 KHz
VBW = 300 KHz
Detector – Quasi Peak
Test Setup
EUT
Spectrum
Analyzer
Antenna
Test Procedure for
Radiated Spurious Emissions above 1 GHz
The EUT was tested in a semi anechoic chamber set 3m from the receiving antenna. A spectrum analyzer was used to
verify that the EUT met the requirements for Radiated Spurious Emissions. The antenna, band reject filter, amplifier and
cable correction factors were input into the spectrum analyzer before recording the Measured Level to ensure accurate
readings. The spectrum for each tuned frequency was examined to the 10th harmonic. Only noise floor was observed past
18 GHz.
Test Setup
EUT
Band
Reject
Filter
Antenna
Amplifier
Spectrum
Analyzer
Detector Settings
RBW
(MHz)
VBW
(MHz)
Span
Peak
As Necessary
Average
As Necessary
EUT antenna port is terminated with a 50 Ohm load and no other emissions were detectable. All emissions were more
than -20 dBc.
See Annex B for test results
p1860040_FCC_Part 15.247_DTS_Rev 1.0
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Occupied Bandwidth
Engineer: Poona Saber
Test Date: 8/3/2018
Test Procedure
The EUT was connected directly to a spectrum analyzer. The Span was set wide enough to capture the entire transmit
spectrum and the resolution bandwidth was set to at least 1% of the span. The analyzer was set to max hold and when
the entire spectrum was captured the 6dB and 99% bandwidths were measured to verify the bandwidth met the
specification.
Test Setup
Spectrum
Analyzer
EUT
6 dB Occupied Bandwidth Summary
Frequency
(MHz)
Measured Bandwidth
(MHz)
Specification Limit
(kHz)
Result
2402
0.735
≥ 500
Pass
2440
0.720
≥ 500
Pass
2480
0.718
≥ 500
Pass
99% Bandwidth Summary
Frequency
(MHz)
Measured Bandwidth
(MHz)
Result
2402
1.0684
Pass
2440
1.0624
Pass
2480
1.0629
Pass
p1860040_FCC_Part 15.247_DTS_Rev 1.0
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Low channel Occupied Bandwidth
Mid channel Occupied Bandwidth
p1860040_FCC_Part 15.247_DTS_Rev 1.0
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High channel Occupied Bandwidth
p1860040_FCC_Part 15.247_DTS_Rev 1.0
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Transmitter Power Spectral Density (PSD)
Engineer: Poona Saber
Test Date: 8/6/2018
Test Procedure
The EUT was connected directly to a spectrum analyzer. The test was performed per section 11.10 of C63.10:2013
“Procedure for determining PSD for DTS devices”.
Test Setup
EUT
Spectrum
Analyzer
PSD Summary
Frequency
(MHz)
Measured Data
(dBm)
Specification Limit
(dBm)
Result
2402
-18.07
Pass
2440
-20.62
Pass
2480
-22.86
Pass
p1860040_FCC_Part 15.247_DTS_Rev 1.0
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Low Channel PSD
Mid Channel PSD
p1860040_FCC_Part 15.247_DTS_Rev 1.0
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High Channel PSD
p1860040_FCC_Part 15.247_DTS_Rev 1.0
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Test Equipment Utilized
Description
Manufacturer
Model #
CT Asset #
Last Cal Date
Cal Due Date
Horn Antenna
ARA
DRG-118/A
i00271
6/16/18
6/16/20
Horn Antenna, Amplified
ARA
MWH-1826/B
i00273
5/22/18
5/22/21
Humidity / Temp Meter
Newport
IBTHX-W-5
i00282
6/29/18
6/29/19
Spectrum Analyzer
Agilent
E4407B
i00331
11/21/17
11/21/18
Bi-Log Antenna
Schaffner
CBL 6111D
i00349
8/3/16
8/3/18
EMI Analyzer
Agilent
E7405A
i00379
2/13/18
2/13/19
3 Meter Semi-Anechoic
Chamber
Panashield
i00428
8/15/16
8/15/19
Preamplifier
Miteq
i00509
N/A
N/A
3 Meter Semi-Anechoic
Chamber
AFS44 00101 400 23-10P44
In addition to the above listed equipment standard RF connectors and cables were utilized in the testing of the described
equipment. Prior to testing these components were tested to verify proper operation.
END OF TEST REPORT
p1860040_FCC_Part 15.247_DTS_Rev 1.0
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Download: FLEX01 EEG Headset Test Report part 1 Emotiv Inc
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