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MX920 Base Station & Repeater
8.4.4 Receive
Measured in accordance with TIA/EIA-603 standards.
Parameter
Sensitivity:
Selectivity 135-520MHz:
Spurious Resp:
Intermodulation:
Blocking:
Co-Channel Rejection:
Distortion:
S/N Ratio:
Receiver Front End BW:
Audio Bandwidth VF output:
Receiver Audio Power
Squelch Opening Time:
Squelch Closing Time:
Conducted Spurious:
8.4.5 Ancillaries
Parameter
TX Timer:
Pre-Emphasis Accuracy:
De-Emphasis Accuracy:
VF Compressor Range:
PTT Input:
Channel Select:
Repeater Tail Timer:
Specification
Better than –117 dBm for 12 dB SINAD.
Typical –120 dBm.
More than 85 dB for 25 kHz adj channel.
More than 75 dB for 12.5 kHz adj channel.
Better than 80 dB.
Better than 80 dB.
Better than 100 dB at +/- 1 MHz point.
Better than 5 dB.
Less than 3% at 60% deviation.
Better than 46 dB wide band.
Better than 42 dB narrow band.
Equal to band allocation.
300 Hz to 3000 Hz, +1/-3 dB.
3 Watts nominal, 5 Watts peak.
Less than 20mS @ 20dB SINAD.
Less than 100mS.
Less than –57dBm.
Table 8-7 Receive Specifications
Specification
Programmable, on / off selectable.
Within +1, -3 dB of 6 dB per octave curve.
Within +1, -3 dB of 6 dB per octave curve.
> 30 dB.
+5V Logic active low.
RS232 or BCD Pushwheel switches.
Programmable.
Table 8-8 Ancilary Specifications
Technical Manual
2003 Revision
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