User Manual

Table Of Contents
120 20191-100a Paragon-III User Manual
39
7. Specifications
GENERAL
Frequency 762 -764 MHz Tx/ 792-794 MHz Rx and 767- 773MHz Tx/797-803MHz Rx
RF/Modem Assembly Size 19.0” W x 17.5.0” H x 12.5” D + 2.0” connector allowance
Frequency Stability
1.0 ppm (-20 to +60
º
C)
Supply Voltage
13.8 VDC nominal (negative ground), 10.8 - 16 VDC
or
120 VAC
Circuit protection (radio backplane)
Main fuse (F1): Blade fuse (Maxi-Fuse) 10A :
Power amp. fuse (F2 & F3): Blade fuses (Maxi-Fuse) 2 x 15A (30A total)
Crowbar diodes for reverse polarity protection
RX Current Consumption @ 13.8 VDC 1.5A max. (Two receivers with speaker monitoring)
TX Current Consumption @ 13.8 VDC 1.7A max –5W Exciter T881, 25A – 50W PA AET
Base Station Power Consumption
@ 120 VAC
TBD
Channel spacing 50 kHz
Operating Temperature Range -30°C to +60°C (deleted power supply, catalog number with 0 in second to last digit)
-10°C to +60°C (with standard Dual Power Supply assy., catalog number with 2 in second to last digit)
RECEIVER
Selectivity @ 25 kHz
@ 12.5 kHz
85 dB min, 88 dB (Typical)
79 dB min, 80 dB (Typical)
Sensitivity @ 12 dB SINAD
-116 dBm*
Spurious Response Rejection
100 dB (Typical)
Intermodulation Rejection
- EIA (25 kHz)
- EIA 300-096 (12.5 kHz)
80 dB (Typical)
75 dB (Typical)
Hum and Noise
- EIA (25 kHz)
- ETS 300-096 (12.5 kHz)
47 dB*
45 dB*
* Psophometrically weighted (De-emphasis response)
TRANSMITTER –5W
Rated Continuous RF Power 70W nominal
Range of Adjustment 35W – 70 W (user adjustable)
Spurious Emissions: - transmit
- standby
-36 dBm to 1GHz, -30 dBm to 3.2GHz
-57 dBm to 1GHz, -47 dBm to 3.2GHz
VSWR Stability 3:1 mismatch
Transmitter Sideband Noise (ACP)
@ +/-50 kHz
@ +/- 1 MHz
-40 dBc
-100 dBc