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Last modified 2023-12-10

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HG 74A (H.J. Griem)

A picture of HG 74A (H.J. Griem)

SPECIFICATIONS

GENERAL
Type:Amateur UHF transceiver
Frequency range: Europe
TX: 430-440 MHz
RX: 430-440 MHz
Tuning steps:Analog / continuous
Frequency stability:±? ppm
Mode:AM / FM / SSB / CW
Channels / memory management: None
Repeater shift / offset:No
Power supply:Mains or 11-15 VDC
Current drain / power consumption:RX: Max 2 A
TX: Max 10 A
Antenna impedance / connector:50-60 ohm / ?
Dimensions (W*H*D):240*120*280 mm (9.45*4.72*11.02")
Weight:8.7 Kg (19.18 lb)
Other features:1750 Hz tone call




RECEIVER SECTION
Receiver system: ? conversion superheterodyne
Sensitivity:0.1 uV (No reference)
Selectivity: AM
5 KHz (-6 dB)
12 KHz (-60 dB)
FM
12 KHz (-6 dB)
32 KHz (-60 dB)
SSB
3 KHz (-6 dB)
Image rejection:>100 dB
AF output power / speaker:? W at ?% distortion / ? ohm
External speaker connector:




TRANSMITTER SECTION
RF output power:

Pwr
AM:8 W
FM:25 W
SSB (PEP):25 W
CW:25 W
Modulation system:
Max FM deviation (Factory set):±? KHz
Spurious emissions:Better than -? dB
Microphone impedance / connector:? ohm / ?-pin
Microphone input level:? mV




MISCELLANEOUS
Manufactured:West Germany, 1974-1977 (Discontinued)
Additional info:
Related documents:
Modifications and fixes:
Reviews:
Options / Accessories:
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