Pin - Signal Name (Continued)
b - PTT OUTPUT
This output sinks 30ma to ground when the RT-5000 is transmitting.
c - SWITCHED +15 V
This output is capable of supplying +15 V ± 1.5 V at 500 mA.
d - TX SWITCHED +15V
When the RT-5000 is placed in transmit mode, this output supplies +15V ± 2.5V
at a maximum of 100 mA.
e - SWITCHED +27.5V
This output is capable of supplying unregulated +27.5V at 500 mA.
f - MAIN AUDIO INHIBIT
When this input is pulled to ground, the main receiver audio is disabled.
g - EXTRA WIDE BAND AUDIO IN
This input is the single ended extra wide band audio input. It has a nominal
impedance between 2k Ohms and 5k Ohms and a 3 dB bandwidth of I Hz to 40
kHz. The input is adjustable from 0.1 Vrms to 1.5 Vrms and set to .6 Vrms.
h - WIDE BAND AUDIO IN
This input is the single ended wide band audio input. It has a nominal impedance
between 2k Ohms and 5k Ohms and a 3 dB bandwidth of 1 Hz to 27.5 kHz. The
input is adjustable from .1 Vrms to 1.5 Vrms and set to .6 Vrms.
i - GUARD AUDIO INHIBIT
When this input is pulled to ground, the guard receiver audio is disabled.
j - AUDIO HI OUT
This is the high side differential audio output. It can drive a 150 Ohm load to 100
mW and a 600 Ohm load to 25 mW. 3 dB bandwidth is 300 Hz to 3 kHz.
k - AUDIO LO OUT
This is the low side differential audio output. It can drive a 150 Ohm load to 100 mW
and a 600 Ohm load to 25 mW. 3 dB bandwidth is 300 Hz to 3 kHz.
m - AUDIO GROUND
This ground is for shielding the audio outputs.
n - EXTRA WIDEBAND MAIN RECEIVE AUDIO
This output is the single ended extra wide band audio output. It is capable of driving
a 2k Ohm impedance and has a 3 dB bandwidth of 1 Hz to 40 kHz. The output is
adjustable from .1 Vrms to 1.5 Vrms and set to .6 Vrms.
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