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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report

Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report

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Electromagnetic Compatibility Test Report Summary

Sample Description: Silicone Keyboard

Model: K-TEK-M315KP-FN-BL-FC-KC-ANA-151B+TP115-DML+2K

Applicant and Manufacturer: Key Technology Rugged System Ltd

Test Type: Commissioning Test

Test Standards: MIL-STD-461G and GJB151B-2013

Test Results: All tests passed successfully.

Key Test Items and Results:

CE101: Conducted emissions, power leads, 25Hz to 10kHz - PASS
CE102: Conducted emissions, power leads, 10kHz to 10MHz - PASS
CS101: Conducted susceptibility, power leads, 25Hz to 150kHz - PASS
CS106: Conducted susceptibility, transients, power leads - PASS
CS112: Electrostatic discharge susceptibility - PASS
CS114: Conducted susceptibility, bulk cable injection, 4kHz to 400MHz - PASS
CS115: Conducted susceptibility, bulk cable injection, impulse excitation - PASS
CS116: Conducted susceptibility, damped sinusoidal transients, cables and power leads, 10kHz to 100MHz - PASS
RE101: Radiated emissions, magnetic field, 25Hz to 100kHz - PASS
RE102: Radiated emissions, electric field, 10kHz to 18GHz - PASS
RS101: Radiated susceptibility, magnetic field, 25Hz to 100kHz - PASS

Test Environment: Conducted in a controlled environment with specified temperature and humidity conditions.

Monitoring Method: Keyboard functions were monitored using PassMark KeyboardTest software to ensure compliance during tests.

Additional Notes: The test report is specific to the sample tested and cannot be reproduced without permission. Any objections to the test results must be raised within 15 days of receiving the report.

Overview: The document is a technical report detailing electromagnetic compatibility (EMC) testing conducted by GRG Metrology & Test Group Co., Ltd. on a silicone keyboard model K-TEK-M315KP-FN-BL-FC-KC-ANA-151B+TP115-DML+2K. The tests were performed to ensure compliance with standards GJB151B-2013 and MIL-STD-461G.

Test Specifications: The tests included CE101, CE102, and CS101, focusing on conducted emissions and susceptibility over various frequency ranges. The environmental conditions were controlled at approximately 22.3℃ and 49% RH.

Test Procedures:

CE101: Conducted emissions from power leads were tested from 2.5E-05 to 0.01 MHz. The procedure involved verifying signal levels and ensuring sinusoidal waveforms using an oscilloscope.
CE102: Conducted emissions were tested from 10 kHz to 10 MHz. The setup involved applying signals at specific frequencies and verifying the receiver readings.
CS101: Conducted susceptibility was tested from 25 Hz to 150 kHz. The procedure included setting signal generators to required frequencies and monitoring the EUT for performance degradation.

Test Results: All tests concluded with a 'Pass' status, indicating compliance with the specified standards. The equipment under test (EUT) remained intact and functional throughout the testing process.

Key Data:

CE101 and CE102 tests showed significant margins below the limit levels, ensuring compliance.
CS101 tests confirmed the EUT's resilience to conducted susceptibility within the specified frequency range.

Conclusion: The silicone keyboard model tested meets all required EMC standards, with all tests passing successfully. The report confirms the EUT's compliance with GJB151B-2013 and MIL-STD-461G standards.

Test Overview: The document details various tests conducted on a silicone keyboard model K-TEK-M315KP-FN-BL-FC-KC-ANA-151B+TP115-DML+2K. The tests are performed by GRG Metrology & Test Group Co., Ltd. to ensure compliance with standards GJB151B-2013 and MIL-STD-461G.

1. CS101 Conducted Susceptibility Test:

Objective: To assess the keyboard's susceptibility to conducted interference.
Test Conditions: Temperature at 23.9℃ and humidity at 58% RH.
Results: The keyboard passed the test, maintaining normal communication with the test computer throughout.

2. CS106 Conducted Susceptibility Test:

Objective: To evaluate the keyboard's response to transient power leads.
Test Conditions: Conducted in a shielded room with a power supply of DC 5.0V.
Results: The keyboard experienced USB recognition issues during interference but returned to normal operation post-test. The test was recorded but not assessed.

3. CS112 Electrostatic Discharge Susceptibility Test:

Objective: To test the keyboard's resilience to electrostatic discharge.
Test Conditions: Conducted in an electrostatic room with temperatures at 23.1℃ and humidity at 46% RH.
Results: The keyboard passed, maintaining normal operation during and after the test.

4. CS114 Conducted Susceptibility Test:

Objective: To assess the keyboard's susceptibility to bulk cable injection from 4 kHz to 400 MHz.
Test Conditions: Conducted in a shielded room with a power supply of DC 5.0V.
Results: The keyboard passed, meeting all standard requirements.

Conclusion: The silicone keyboard model K-TEK-M315KP-FN-BL-FC-KC-ANA-151B+TP115-DML+2K successfully passed all conducted tests, demonstrating compliance with the specified standards.

Calibration and Testing Procedures:
1. Calibration involves setting a signal generator to 10 kHz, increasing the signal until the spectrum analyzer indicates the specified current level, and recording the forward power.
2. The frequency band from 10 kHz to 400 MHz is scanned to maintain the required current amplitude.
3. The Equipment Under Test (EUT) is set up as per Figures CS114-1 and CS114-2, turned on, and stabilized.
4. The signal generator is set to 10 kHz with 1 kHz pulse modulation, and the forward power level is applied to the injection probe.
5. The frequency range is scanned while maintaining the forward power level.
6. The EUT's working state is monitored and recorded.

Test Results:
- The silicone keyboard model K-TEK-M315KP-FN-BL-FC-KC-ANA-151B+TP115-DML+2K was tested under various conditions (complete power cables, positive power cable, cable bundle) and passed all tests.
- The keyboard communicated normally with the test computer before, during, and after the tests.

Standards and Conditions:
- Tests were conducted according to GJB151B-2013 and MIL-STD-461G standards.
- Environmental conditions during tests were around 24.3℃ and 60% RH.

CS115 Conducted Susceptibility Test:
- The test involved bulk cable injection with impulse excitation.
- The test setup included a shielded room and various calibrated equipment.
- The EUT maintained normal operation throughout the test.

Conclusion:
- All tests concluded with a 'Pass' result, indicating the EUT's compliance with the specified standards.
- The test engineer was Yangzun, and the reviewer was Cheng Yonghao.

Test Overview: The document details the conducted susceptibility and radiated emissions testing of a silicone keyboard model K-TEK-M315KP-FN-BL-FC-KC-ANA-151B+TP115-DML+2K. The tests were conducted by GRG Metrology & Test Group Co., Ltd. in Guangzhou, China, following standards GJB151B-2013 and MIL-STD-461G.

Conducted Susceptibility Testing (CS116):

Test Environment: Conducted in a shielded room at 23.6℃ and 49% RH with a DC 5.0V power supply.
Frequency Range: 10kHz to 100MHz.
Test Method: The test involved applying damped sinusoidal transients to cables and power leads, with specific current limits at various frequencies.
Equipment Used: Included a high-frequency damped sine wave generator, high voltage attenuator, and oscilloscope among others.
Results: The keyboard maintained normal operation throughout the test, indicating compliance with the standards.

Radiated Emissions Testing (RE101):

Test Environment: Conducted in an anechoic chamber at 22.4℃ and 49% RH with a DC 5.0V power supply.
Frequency Range: 25Hz to 100kHz.
Test Method: The test measured magnetic field emissions using a loop antenna and other calibrated equipment.
Equipment Used: Included an anechoic chamber, receiver, and loop antenna.
Results: The emissions were within the specified limits, confirming compliance.

Conclusion: Both conducted susceptibility and radiated emissions tests passed, indicating the keyboard's compliance with the relevant electromagnetic compatibility standards.

Overview: The document is a technical report from GRG Metrology & Test Group Co., Ltd., detailing the testing procedures and results for a silicone keyboard model K-TEK-M315KP-FN-BL-FC-KC-ANA-151B+TP115-DML+2K. The tests were conducted to ensure compliance with standards GJB151B-2013 and MIL-STD-461G.

Test Procedures:

Verification of measurement receiver accuracy within ±3 dB of the injected signal level. Deviations require error source identification and correction.
Basic test setup for the Equipment Under Test (EUT) as per Figure RE101-2, including stabilization time and loop sensor positioning.
Scanning of the measurement receiver over the frequency range to check compliance with specified limits.

Test Results:

All sides of the EUT (front, left, back, right, top, and electrical connector) passed the RE101 test with results within specified limits.
RE102 tests for radiated emissions from 10kHz to 18GHz also passed, with measurements taken in an anechoic chamber.

Key Data from Tables:

RE101 test results showed margins ranging from 17.27 dB to 51.32 dB below the limit, indicating compliance.
RE102 test results showed margins ranging from 3.62 dB to 14.68 dB below the limit, confirming compliance.

Conclusion: The silicone keyboard model passed all tests, confirming compliance with the relevant standards. The equipment was found to be intact and functioning normally post-testing.

Personnel: Test Engineer: Cheng Yonghao; Reviewer: Jiang Zhenglin.

Overview: The document is a technical report from GRG Metrology & Test Group Co., Ltd., detailing electromagnetic compatibility tests conducted on a silicone keyboard model K-TEK-M315KP-FN-BL-FC-KC-ANA-151B+TP115-DML+2K. The tests were performed according to standards GJB151B-2013 and MIL-STD-461G.

Test Records:

Record No. 2 & 3 (30 - 200MHz): Tests were conducted in both vertical and horizontal positions. The results showed compliance with the limits, with all readings below the specified limits, indicating a pass.
Record No. 4 & 5 (200 - 1000MHz): Similar tests were conducted in vertical and horizontal positions. The results were within the acceptable limits, confirming compliance.
Record No. 6 & 7 (1000 - 18000MHz): Tests in this frequency range also passed, with results showing adequate margins below the limit values.

RS101 Test (25Hz to 100kHz): The RS101 test assessed the radiated susceptibility of the keyboard to magnetic fields. The test was conducted in a shielded room with a DC power supply of 5.0V. The test configuration involved a loop sensor and other equipment to measure electromagnetic compatibility. The keyboard maintained normal operation throughout the test, indicating no susceptibility to the magnetic fields applied.

Test Procedures: The tests involved preheating the equipment, verifying signal generator outputs, and using a measuring receiver to ensure accurate readings. The radiation loop antenna was positioned 5 cm from the test sample, and tests were conducted across various surfaces and connectors of the keyboard.

Conclusion: All tests confirmed that the silicone keyboard model complies with the specified standards, showing no adverse effects from electromagnetic interference. The keyboard functioned normally before, during, and after the tests.

Overview: The document is a technical report from GRG Metrology & Test Group Co., Ltd., detailing electromagnetic compatibility (EMC) testing procedures and results for various frequency ranges and test types.

Frequency Ranges: The report covers testing across several frequency bands, including 6GHz to 40GHz, both in vertical and horizontal orientations.

Test Types: The document includes various conducted and radiated emissions and susceptibility tests:

Conducted Emissions: CE101 (25Hz to 10kHz), CE102 (10kHz to 10MHz)
Conducted Susceptibility: CS101 (25Hz to 150kHz), CS106 (transients), CS112 (electrostatic discharge), CS114 (bulk cable injection, 4kHz to 400MHz), CS115 (impulse excitation), CS116 (damped sinusoidal transients, 10kHz to 100MHz)
Radiated Emissions: RE101 (magnetic field, 25Hz to 100kHz), RE102 (electric field, 10kHz to 18GHz)
Radiated Susceptibility: RS101 (magnetic field, 25Hz to 100kHz), RS103 (electric field, 10kHz to 40GHz)

Appendices: The report includes several appendices with photos and additional information:

Appendix A: Photos of test arrangements
Appendix B: Photos of the Equipment Under Test (EUT) before and after rectification
Appendix C: Details on assistive equipment used during testing
Appendix D: EMC test status confirmation form

Key Equipment: Photos of power cords, signal lines, and cable bundles used in various tests are provided.

Contact Information: The report provides contact details for GRG Metrology & Test Group Co., Ltd., located in Guangzhou, China.

Catalog excerpts

Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-1

中国认可国际互认检测 TESTING CNAS L0446 Electromagnetic compatibility TEST REPORT Total Sample Description : Silicone keyboard K-TEK-M315KP-FN-BL-FC-KC-ANA-151 B+TP115-DML+2K M315KP-FN-BL-FC-KC-ANA-151B+TP115-DML+2K : -20250428000001 : Key Technology Rugged System Ltd Manufacturer : Key Technology Rugged System Ltd Test Type : Commissioning Test

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-2

GRG Metrology & Test Group Co.,Ltd. Address: No.8, Chuangyun Road, Panyu District, Guangzhou, Guangdong, China Telephone: +86-020-38699959 Facsimile: +86-020-38698685 http://www.grgtest.com

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-3

GRG Metrology & Test Group Co.,Ltd. Address: No.8, Chuangyun Road, Panyu District, Guangzhou, Guangdong, China Telephone: +86-020-38699959 Facsimile: +86-020-38698685 http://www.grgtest.com

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-4

the test specimen shall be positioned as the front side. The test shall cover the fronts back^ lefU rights top> surfaces and electrical connector. Test frequency range: 10kHz—40GHz; Test position: Center of Test Setup Boundary > Center of EUT Test Result:Pass Approved by Test Location: Issue Date: 2Q26.-V I2°^ove 0(0^1 Verification Code: 782143 Metrology & Test Group Co.,Ltd. (Special Seal) GRG Metrology & Test Group Co.,Ltd. Telephone: +86-020-38699959 Address: No.8, Chuangyun Road, Panyu District, Guangzhou, Guangdong, China Facsimile: +86-020-38698685 http://www.grgtest.com

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-5

DIRECTIONS OF TEST 1. This station carries out test task according to the national regulation of verifications which can be traced to National Primary Standards and BIPM. 2. The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. 3. If there is any objection concerning the test, the client should inform the laboratory within 15 days from the date of receiving the test report. GRG Metrology & Test Group Co.,Ltd. Telephone：+86-020-38699959 Address: No.8, Chuangyun Road, Panyu District,...

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-6

3.8 CS116, conducted susceptibility, damped sinusoidal transients, cables and power GRG Metrology & Test Group Co.,Ltd. Address: No.8, Chuangyun Road, Panyu District, Guangzhou, Guangdong, China Telephone: +86-020-38699959 Facsimile: +86-020-38698685 http://www.grgtest.com

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-7

GRG Metrology & Test Group Co.,Ltd. Address: No.8, Chuangyun Road, Panyu District, Guangzhou, Guangdong, China Telephone: +86-020-38699959 Facsimile: +86-020-38698685 http://www.grgtest.com

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-8

2. Test Equipment and Paternity Equipment Connection Diagram 3. Power Supply: Working State 1 and Working State 2: DC 5V Working State 3 4^ 5 6: EUT is powered by instruments GRG Metrology & Test Group Co.,Ltd. Telephone: +86-020-38699959 Address: No.8, Chuangyun Road, Panyu District, Guangzhou, Guangdong, China Facsimile: +86-020-38698685 http://www.grgtest.com

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-9

6. The main problems and handling of the test Experimental project GRG Metrology & Test Group Co.,Ltd. Address: No.8, Chuangyun Road, Panyu District, Guangzhou, Guangdong, China Telephone: +86-020-38699959 Facsimile: +86-020-38698685 http://www.grgtest.com

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-10

3 Test project situation and results3.1 CE101, conducted emissions,power leads,25Hz to 10kHzEUT Name Silicone Test Position Power Supply DC 5.0V Test Method/ Basic Standard Test Requirements / Limits: Table CE102-1 Limit Value GRG Metrology & Test Group Co.,Ltd. Address: No.8, Chuangyun Road, Panyu District, Guangzhou, Guangdong, China Telephone: +86-020-38699959 Facsimile: +86-020-38698685 http://www.grgtest.com

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-11

Main Test Equipment: Test system test results meet the standard requirements: Pass Test position: Positive power cab^ Negative power cable. Test Configuration: GRG Metrology & Test Group Co.,Ltd. Address: No.8, Chuangyun Road, Panyu District, Guangzhou, Guangdong, China Telephone: +86-020-38699959 Facsimile: +86-020-38698685 http://www.grgtest.com

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-12

Test Procedure: a^ Switch on the test equipment and allow sufficient time for warm-up and stabilization. K Perform verification. Apply calibrated signal levels at 1 kHz, 3 kHz, and 10 kHz to the current probe. The signal levels shall be 6 dB below the applicable limit. c> Measure the current level using an oscilloscope and a resistor; verify that the current waveform is sinusoidal. d^ Scan the measurement receiver in the normal data scan mode. Verify that the receiver reading is within ±3 dB of the current level measured by the oscilloscope. If the deviation exceeds ±3 dB, locate the source of...

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-13

CE101 item test curve 1) Record No. 1 (2.5E-05 - 0.01MHz) Note: Result = Reading + Correct factor, Margin = Limit - Result GRG Metrology & Test Group Co.,Ltd. Address: No.8, Chuangyun Road, Panyu District, Guangzhou, Guangdong, China Telephone: +86-020-38699959 Facsimile: +86-020-38698685 http://www.grgtest.com

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-14

Note: Result = Reading + Correct factor, Margin = Limit - Result GRG Metrology & Test Group Co.,Ltd. Address: No.8, Chuangyun Road, Panyu District, Guangzhou, Guangdong, China Telephone: +86-020-38699959 Facsimile: +86-020-38698685 http://www.grgtest.com

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-15

3.2 CE102, conducted emissions,power leads,10kHz to 10MHz EUT Name Test Position Power Supply DC 5V Test Method/ Basic Standard Test Requirements / Limits: Table CE102-1 Limit Value GRG Metrology & Test Group Co.,Ltd. Address: No.8, Chuangyun Road, Panyu District, Guangzhou, Guangdong, China Telephone: +86-020-38699959 Facsimile: +86-020-38698685 http://www.grgtest.com

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-16

Main Test Equipment: Test system test results meet the standard requirements: Pass Test Point: Positive power cab^ Negative power cable. Test Configuration: GRG Metrology & Test Group Co.,Ltd. Address: No.8, Chuangyun Road, Panyu District, Guangzhou, Guangdong, China Telephone: +86-020-38699959 Facsimile: +86-020-38698685 http://www.grgtest.com

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Scissor Switch Keyboard - GJB151B-2013 & MIL-STD-461G Test Report-17

Test Procedure: a^ Switch on the test equipment and allow sufficient time for warm-up and stabilization. K Perform system verification. Apply a signal from the signal generator to the power output terminal of the LISN at frequencies of 10 kHz, 100 kHz, 2 MHz, and 10 MHz. The signal levels shall be 6 dB below the applicable limit. Verify that the voltage waveform is sinusoidal. c> Scan the measurement receiver in the normal data scan mode. Verify that the receiver reading is within ±3 dB of the injected signal level. If the deviation exceeds ±3 dB, locate the source of the error and correct it....

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