Garmin Apollo CNX80 Installation Manual

Also see for Apollo CNX80: User Newsletter User Newsletter Supplemental Flight manual Pilot's guide Data list

Garmin Apollo CNX80 Installation Manual Manual pdf 18 page image

General Information1-8 560-0982-00 Rev D Apollo CNX80 Installation Manual1.3.6 C OMM R ECEIVER P ERFORMANCETSO Compliance..........................................TSO-C38d (RTCA/DO-186, DO-186a)Class............................................................DFrequency range...........................................118.000 to 136.975 MHz, 760 channelsSensitivity ....................................................1μV (2μV hard) for 6dB S+N/N with 30%modulation at 1000HzSelectivity ....................................................< 6dB variation at ± 7 kHz, > 60dB at ± 22 kHzSpeaker audio output level............................12 watts into 4Ω, 8 watts into 8ΩHeadphone audio output level .......................280 mW into 100Ω, 120mW into 500ΩDistortion.....................................................< 5% at rated output at 1000 HzAGC characteristics .....................................< 3 dB variation in audio output from 5μV to 100mVinput, 15% to 90% modulationSquelch control ............................................Automatic squelch with manual override1.3.7 C OMM TRANSMITTER P ERFORMANCETSO Compliance..........................................TSO-C37d (RTCA/DO-186, DO-186a),TSO-C128 (RTCA/DO-207)Class............................................................4Output power ...............................................8 watts minimum carrier at >12 VDC input,6 watts minimum at 10 VDC input (transmit islocked out below 9 volts input)Frequency range...........................................118.000 to 136.975 MHz, 760 channelsFrequency tolerance......................................±15 ppm from -20°C to +70°CMicrophone input .........................................Two inputs, standard carbon or dynamic mic withintegrated preamp providing minimum 70mV rmsinto 1000Ω loadModulation capability...................................85% with 100mV to 1000mV rms microphone inputat 1000 HzAudio frequency distortion............................< 10% at 85% modulation at 350 to 2500 HzAudio frequency response.............................< 4 dB variation with 350 to 2500 Hz, 85%modulationCarrier noise level ........................................> 35 dB downSidetone output ............................................up to 280 mW into 100Ω, 120 mW into 500ΩDuty cycle:...................................................100%Stuck mic time-out .......................................35 second time-out, reverts to receive