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Last modified 2023-12-25

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Hy-Gain Proscan 20

A picture of Hy-Gain Proscan 20

SPECIFICATIONS

GENERAL
Type:VHF receiver/scanner
Frequency range:76.9875-88.9875 / 160.1875-172.1875 MHz
Tuning steps:Channelized
Binary programming in 12.5 KHz increments
Frequency stability:? ppm
Mode:FM
Channels / memory management: 20 regular @ 8 channels per second
RAM storage with two ? battery backup
Power supply:13.8 VDC
Current drain / power consumption:Less than 800 mA
Antenna impedance / connector:50-75 ohm / DIN41585 (Motorola)
Dimensions (W*H*D):164*55*195 mm (6.46*2.16*7.68")
Weight:1.5 Kg (3.31 lb)
Other features:




RECEIVER SECTION
Receiver system: Double conversion superheterodyne
1st IF: 10.7 MHz
2nd IF: 455 KHz - Ceramic filter: Two Murata CFU455D
Sensitivity:1 uV (No reference)
Selectivity:27 KHz (-6 dB)
40 KHz (-50 dB)
Image rejection:
AF output power / speaker:350 mW at ?% distortion / ? ohm
External speaker connector:




MISCELLANEOUS
Manufactured:Japan, 19xx-19xx (Discontinued)
Additional info:
Related documents: Generic user manual (241 KB, in swedish)
PLL: PLL02A
FM-IF amplifier: TA7061AP
Modifications and fixes:
Reviews:Teknik för alla (Sweden): #2, 1981
Options / Accessories:
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An inside picture of Hy-Gain Proscan 20