Garmin Apollo GX60 Comm Installation Manual - page 45
Specifications
Apollo GX50/60/65 Installation Manual
37
C
OMM
R
ECEIVER
P
ERFORMANCE
(GX60/65
ONLY
)
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 .................................................
±
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..................................................
AGC characteristics..................................
µ
V to
100mV input, 15% to 90% modulation
Squelch control......................................... Automatic squelch with manual override
C
OMM
T
RANSMITTER
P
ERFORMANCE
(GX60/65
ONLY
)
Class ......................................................... 4
Output power............................................ 8 watts minimum carrier at >12VDC input,
6 watts minimum at 10VDC input (transmit is
locked out below 9 volts input)
Frequency range ....................................... 118.000 to 136.975 MHz, 760 channels
Frequency tolerance..................................
±
15ppm 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.......................
Audio frequency response ........................
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