Garmin Apollo CNX80, Installation Manual

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General Information
1-8 560-0982-00 Rev D Apollo CNX80 Installation Manual
1.3.6 C
OMM
R
ECEIVER
P
ERFORMANCE
TSO Compliance..........................................TSO-C38d (RTCA/DO-186, DO-186a)
Class............................................................D
Frequency range...........................................118.000 to 136.975 MHz, 760 channels
Sensitivity ....................................................1
µ
V (2
µ
V hard) for 6dB S+N/N with 30%
modulation at 1000Hz
Selectivity ....................................................< 6dB variation at
±
7 kHz, > 60dB at
±
22 kHz
Speaker audio output level............................12 watts into 4
Ω
, 8 watts into 8
Ω
Headphone audio output level .......................280 mW into 100
Ω
, 120mW into 500
Ω
Distortion.....................................................< 5% at rated output at 1000 Hz
AGC characteristics .....................................< 3 dB variation in audio output from 5
µ
V to 100mV
input, 15% to 90% modulation
Squelch control ............................................Automatic squelch with manual override
1.3.7 C
OMM
T
RANSMITTER
P
ERFORMANCE
TSO Compliance..........................................TSO-C37d (RTCA/DO-186, DO-186a),
TSO-C128 (RTCA/DO-207)
Class............................................................4
Output power ...............................................8 watts minimum carrier at >12 VDC input,
6 watts minimum at 10 VDC input (transmit is
locked out below 9 volts input)
Frequency range...........................................118.000 to 136.975 MHz, 760 channels
Frequency tolerance......................................
±
15 ppm from -20
°
C to +70
°
C
Microphone input .........................................Two inputs, standard carbon or dynamic mic with
integrated preamp providing minimum 70mV rms
into 1000
Ω
load
Modulation capability...................................85% with 100mV to 1000mV rms microphone input
at 1000 Hz
Audio frequency distortion............................< 10% at 85% modulation at 350 to 2500 Hz
Audio frequency response.............................< 4 dB variation with 350 to 2500 Hz, 85%
modulation
Carrier noise level ........................................> 35 dB down
Sidetone output ............................................up to 280 mW into 100
Ω
, 120 mW into 500
Ω
Duty cycle:...................................................100%
Stuck mic time-out .......................................35 second time-out, reverts to receive