PRO-20 Receiver 200-0101 Specifications

PRO-20 Receiver
(200-0101)                 Specifications             Faxback Doc. # 39309


CHANNELS OF OPERATION:.................. Four as determined by any one of 4
                                  crystals operating in the frequency range

FREQUENCY RANGE:........................... 30 to 50 MHz and 144 to 174 MHz

FREQUENCY COVERAGE:.           VHF Lo 6 MHz for maximum sensitivity (40 MHz
                               +/-3 MHz)
                               VHF Hi 8 MHz for maximum sensitivity (153 MHz
                               +/-4 MHz)

SENSITIVITY:.......................... Better than 1 uV for (S+N)/N = 20 dB

SELECTIVITY:............................................... +/-9 kHz, -6 dB
                                                          +/-17 kHz, -50 dB

MODULATION ACCEPTANCE:............................................ +/-7 kHz

I.F.:................................................. 10.7 MHz and 455 kHz

FILTERS:................ 10.7 MHz Crystal Filter and 455 kHz Ceramic Filter

SQUELCH SENSITIVITY:.......................... Variable from less than 1 uV

SCANNING SPEED:.......................................... 6 channels/second

DELAY TIME:................................................. 1 to 3 seconds

AUDIO POWER:........................................................ 150 mW

POWER REQUIREMENTS:.......................... +6V DC (negative ground only)
                                           Current drain; 40 mA (Squelched)
                                          100 mA (full volume, unsquelched)

SEMICONDUCTOR COMPLEMENT:............................ 2 Integrated Circuits
                                                     14 Silicon Transistors
                                                     16 Diodes
                                            4 Light Emitting Diodes (LED's)

SPEAKER:................. 2" (5 cm), 16 ohm, Permanent Magnet, dynamic type

ANTENNAS:.................... Telescopic and flexible types 24-3/4" (63 cm)
                              7-3/4" (19.5 cm)

CRYSTAL REQUIREMENTS:........................ Standard HC-25/u 3rd overtone

(km-05/06/1997)