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Desktop Shortwave receiver
Communications receiver
Prototype VHF Receiver

General

HAM bands ? 6m  ?
Freq. stability Below 10 MHz: 50 Hz/MHz Above 10 MHz: 20 Hz/MHz Both after 30 minutes warm-up ≤ 0.5 % ?
Tuning steps ? ? ?

Receiver

RX-range 0.48-30 MHz in 5 bands 620-205 m / 1.4-3.8 / 3.7-10.6 / 10.5-30.6 MHz 19-165 MHz in 6 bands
Modulations AM   CW   AM   CW   AM   CW  
Sensitivity AM: 5 µV
CM 1-2 µV
? ?
Selectivity 1.5 / 3.0 / 6.0 / 12.0 kHz selectable (-6 dB) ? ?
Filters 500 Hz switchable crystal filter ? ?
Receiver system ? ? Double conversion superheterodyne
IF-freqs. ? ? ?
Image rejection ? ? ?
Audio output 1 W External speaker or headphones required ?

Transmitter

TX-range - - -
Modulations - - -
RF-output ? ? ?

Connections

Antenna - Clamps / screws Clamps / screws
Impedance 70/80Ω 70/80Ω ?
Other - - -

Electrical

Power req. Mains (100-125 or 200-250 V AC) or external PSU Mains (100-125 or 200-250 V AC) Mains
Current RX 80 W 45 W ?
TX - - -

Physical

Manufactured Between 1957 and 1961 in Great Britain Between 1950 and 195x in Great Britain Between 1954 and 195x in Great Britain
Dimensions ? ? ?
Weight ? ? ?
Form factor Base Station Base Station Base Station

Other features

Memories ? ? ?
Usage Military communication Military communication Military communication
Features ? BFO
S-meter socket
?
Accessories ? ? ?
MPN EDDYSTONE-000730/4 EDDYSTONE-000740 EDDYSTONE-000760