E M C ANTENNA GAIN Testing was performed using the mode(s) of operation and configuration(s) noted within the report. The individuals and/or the organization requesting the test provided the modes, configurations and settings used to complete the evaluation. The actual test parameters are specified in the test data, this includes items such as investigated frequency range (scanned) and test levels. The testing methods and performance specifications, as well as the test site used for the evaluation are indicated in the test data. MODES OF OPERATION Transmitting Mid Channel ANTENNAS TESTED Diversity Select Low Diversity Select High ANTENNA GAIN (dbi) 2441 MHz 3.9 3.2 FREQUENCY RANGE INVESTIGATED Start Frequency SAMPLE CALCULATIONS 2400 MHz Stop Frequency 2483.5 MHz Radiated Emissions: Field Strength = Measured Level + Antenna Factor + Cable Factor - Amplifier Gain + Distance Adjustment Factor + External Attenuation TEST EQUIPMENT Description Manufacturer Model ID Last Cal. Interval Spectrum Analyzer Agilent E4446A AAQ 1/6/2010 13 Antenna, Horn EMCO 3115 AHC 8/12/2008 24 EV01 Cables N/A Double Ridge Horn Cables EVB 7/10/2009 13 Spectrum Analyzer Agilent E4440A AFD 6/1/2009 24 Attenuator, 6 db, 'SMA' N/A 93459 3330A-6 AUF 4/1/2010 13 Attenuator 20 db, SMA M/F 26GHz S.M. Electronics SA26B-20 AUY 7/21/2009 13 26 GHz DC Block, SMA Pasternack PE8210 AME 10/19/2009 13 EV06 Direct Connect Cable ESM Cable Corp. TT ECA NCR 0 Power Meter Gigatronics 8651A SPM 1/7/2010 13 Power Sensor Gigatronics 80701A SPL 1/7/2010 13 Signal Generator Agilent E8257D TGX 12/10/2008 24 MEASUREMENT BANDWIDTHS Frequency Range Peak Data Quasi-Peak Data Average Data ( M H z ) (khz) (khz) (khz) 0.01-0.15 1.0 0.2 0.2 0.15-30.0 10.0 9.0 9.0 30.0-1000 100.0 120.0 120.0 Above 1000 1000.0 N/A 1000.0 Measurements were made using the bandwidths and detectors specified. No video filter was used. MEASUREMENT UNCERTAINTY A measurement uncertainty estimation has been performed for each test per our internal quality document WP 342. The estimation is used to compare the measured result with its "true" or theoretically correct value. Our measurement data meets or exceeds the measurement uncertainty requirements of CISPR 16-4. The measurement uncertainty estimation is available upon request. TEST DESCRIPTION The EUT antenna gain was derived from taking the radiated EiRP measurement and subtracting out the direct connect output power measurement: The peak output power was determined by measuring using a direct connection between the RF output of the EUT and a spectrum analyzer. The test cable and attenuator were calibrated and an offset entered into the analyzer to compensate for the loss. The EUT was made to transmit in the middle channel of each band. The radiated fundamental emission from the EUT was maximized by rotating the EUT, adjusting the measurement antenna height (1-4 meters) and polarization. The field strength measurement was taken and then converted to apparent power.
E M C ANTENNA GAIN XMit 2010.01.14 Output Power, Mid Channel 2441 MHz V a l u e : 1.42 dbm
EMC ANTENNA GAIN EUT: A-00023 Work Order: LABT0380 Serial Number: #2 Date: 05/19/10 Customer: Logitech, Inc. Temperature: 23 Attendees: none Humidity: 39% Project: none Barometric Pres.: 1009.5 mb Tested by: Rod Peloquin P o w e r : USB Job Site: EV01 TEST SPECIFICATIONS Test Method FCC 15.247:2010 ANSI C63.10:2009 EMI 2008.1.9 TEST PARAMETERS Antenna Height(s) (m) 1-4 Test Distance (m) 3 COMMENTS None EUT OPERATING MODES Transmitting Mid Channel DEVIATIONS FROM TEST STANDARD No deviations. Run # 2 Configuration # 1 Results Evaluation Signature 10.0 5.0 0.0-5.0-10.0 dbm -15.0-20.0-25.0-30.0-35.0-40.0 2400.000 2410.000 2420.000 2430.000 2440.000 2450.000 2460.000 2470.000 2480.000 2490.000 2500.000 MHz Freq Azimuth Height Polarity Detector EIRP EIRP Spec. Limit Compared to Spec. (MHz) (degrees) (meters) (Watts) (dbm) (dbm) (db) Comments 2441.080 57.0 1.1 V-Horn PK 3.37E-03 5.3 30.0-24.7 Low Antenna, EUT typical 2441.015 217.0 1.6 H-Horn PK 3.07E-03 4.9 30.0-25.1 Low Antenna, EUT on side 2441.010 316.0 2.5 H-Horn PK 2.86E-03 4.6 30.0-25.4 High Antenna, EUT on side 2440.795 307.0 1.4 H-Horn PK 2.55E-03 4.1 30.0-25.9 High Antenna, EUT on back 2440.780 20.0 1.1 V-Horn PK 2.22E-03 3.5 30.0-26.5 High Antenna, EUT typical 2440.770 195.0 2.1 V-Horn PK 2.08E-03 3.2 30.0-26.8 Low Antenna, EUT on back 2440.790 294.0 1.3 H-Horn PK 2.03E-03 3.1 30.0-26.9 Low Antenna, EUT on back 2440.825 45.0 1.9 H-Horn PK 1.40E-03 1.5 30.0-28.5 High Antenna, EUT typical 2440.825 225.0 2.0 H-Horn PK 1.09E-03 0.4 30.0-29.6 Low Antenna, EUT typical 2441.020 100.0 1.1 V-Horn PK 1.09E-03 0.4 30.0-29.6 High Antenna, EUT on back 2441.055 149.0 2.4 V-Horn PK 9.49E-04-0.2 30.0-30.2 Low Antenna, EUT on side 2440.745 53.0 2.0 V-Horn PK 7.36E-04-1.3 30.0-31.3 High Antenna, EUT on side
EMC ANTENNA GAIN
EMC ANTENNA GAIN
E M C ANTENNA GAIN