Lab Tests 20190925 20190925/20190925_164951_config.xml NA 20190925/20190925_165419_config.xml NA 20190925/20190925_165852_config.xml NA 20190925/20190925_170253_config.xml NOISE Ant6+Ant4 20190925/20190925_170415_config.xml SURVEY Ant6+Ant4 20190925/20190925_170754_config.xml SURVEY Ant5+Ant4 20190925/20190925_171222_config.xml SURVEY Ant8+Ant4 20190925/20190925_171829_config.xml SURVEY NONE+Ant4 (not sure what this was for) 20190925/20190925_172651_config.xml SURVEY Ant7+Ant4 20190925/20190925_173100_config.xml SURVEY Ant7+Ant2 20190925/20190925_173432_config.xml CALIBR Ant7+Ant2 20190925/20190925_174052_config.xml SURVEY Ant7+Ant2 20190925/20190925_174204_config.xml CALIBR Ant7+Ant2 (repeat measurement) 20190925/20190925_175040_config.xml SURVEY Ant7+Ant1 (repeat measurement) 20190925/20190925_175337_config.xml CALIBR Ant7+Ant1 20190925/20190925_175640_config.xml SURVEY Ant7+Ant3 20190925/20190925_175848_config.xml CALIBR Ant7+Ant3 Loopback setup was used for all measurements Transmitter (1000 W) --> Cable --> 30 dB high power attenuator --> 6 dB Werlatone J1 to J2 (i.e. 1 dB atten) --> 15 dB attenuator --> 7 dB attenuator --> Cable --> 10 dB attenuator --> 15 dB attenuator --> Fiber delay line, ? attenuation --> Cable --> Splitter (Minicircuits 10-1000 MHz 75C-2-4+), 3 dB attenuation TO RECEIVER: TOTAL 81+fiber_delay_line dB attenuation Splitter Port 1 --> 30 dB attenuator --> Cable --> 10 dB attenuator --> 15 dB attenuator --> Receiver TOTAL: 136+fiber_delay_line dB attenuation Splitter Port 2 --> Cable --> 10 dB attenuator --> 15 dB attenuator --> J3 to J1 connector (i.e. 6 dB atten) --> 30 dB high power attenuator --> Cable --> Transmitter/Receiver TOTAL: 142+fiber_delay_line dB attenuation We expect 6 dB more attenuation than Receiver and measure ~7 dB more Expected transmit power level is 60 dBm - (142+fiber_delay_line dB attenuation) = -82 dBm - fiber_delay_line dB attenuation Expected receive power level is 60 dBm - (136+fiber_delay_line dB attenuation) = -76 dBm - fiber_delay_line dB attenuation Measured receive power is ~-81.5 dBm CALIBRation mode In calibration mode 24.96 us delay for receive channels 24.97 us delay for transmit channels (10 ns greater time delay than receive) Signal power on screen is 158 dB for Ant7 Receive channel power measured on DSO: 30 mVpp == -26.5 dBm (after 55 dB of attenuation) -26.5 - 55 = -81.5 dBm into the receiver Signal power on screen is 151 dB for AWG3, ADC2, ANT4 (top right connector) Signal power on screen is 151 dB for AWG1, ADC1, ANT2 (bottom right connector) Signal power on screen is 151 dB for AWG0, ADC3, ANT1 (bottom left connector) Signal power on screen is 151 dB for AWG2, ADC4, ANT3 (top left connector) Signal power on screen is 158 dB for Ant7 SURVEY mode Noise power on screen is 42-43.5 dB Signal power on screen is 161 dB for Ant7 Signal power on screen is 161 dB for Ant6 Signal power on screen is 160 dB for Ant5 Signal power on screen is 156 dB for Ant8 Signal power on screen is 154 dB for AWG3, ADC2, ANT4 (top right connector) Signal power on screen is 154 dB for AWG1, ADC1, ANT2 (bottom right connector) Signal power on screen is 154 dB for AWG0, ADC3, ANT1 (bottom left connector) Signal power on screen is 154 dB for AWG2, ADC4, ANT3 (top left connector) Anechoic Chamber Tests 20190926 013430: PA off, noise settings, 50 ohm 014203: PA on, noise settings, 50 ohm 020409: PA on, noise settings, antennas 020822: PA on, regular settings amp 0.25, antennas 021308: PA on, regular settings amp 1, antennas 021703: PA on, noise settings, antennas 021957: PA on, regular settings amp 1, antennas 022901: PA on, regular settings amp 1, antennas Removed extra rg_start_offset