Heathkit SB-644A

Remote Linear Master Oscillator / VFO

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External-/Remote-VFO for the Heathkit SB-104A transceiver, designed to permit split frequency operation.

Frequency range

RX-range
5.0-5.5 MHz
TX-range
?
HAM bands
?
Stability
≤ 100 Hz per hour after warmup
Tuning steps
?
Filters
?

Receiver

Modulations
All mode  
Sensitivity
?
Selectivity
?
Receiver system
?
IF-frequencies
?
Image rejection
?
Audio output
?

Transmitter

Modulations
All mode  
RF-Output
?

Connections

Antenna
Clamps / screws
Impedance
?

Electrical

Power requirements
Transceiver unit (11 + 13.6 V DC)
Current drain RX
-
TX
?

Physical

Dimensions (w×h×d)
352 × 251 × 181 mm (13.86 × 9.88 × 7.13 in)
Weight
2.95 kg (6.5 lbs)
Form factor
Base Station
Manufactured
Between 1978 and 198x in USA
MPN
HEATHKIT-SB-000644A

Other features

Memories
?
Usage
Amateur / Ham radio operators
Features + options
?
Accessories
?

Manuals, diagrams and brochures

Heathkit SB-644A Manual submitted by RigReference
 
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