Thread: Mystery radio
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Old 20th May 2022, 11:50 am   #15
G3PIJpeter
Hexode
 
Join Date: Nov 2011
Location: Chippenham, Wiltshire, UK.
Posts: 319
Default Re: Mystery radio

Quote:
Originally Posted by FrankB View Post
... the number of variable caps, and the big coil tend to make me think it is a HB transmitter.
The two variable capacitors in Post 1 photo 2 above appear about the same value and are in parallel. They are brought out to separate knobs on the front panel? Rather a strange arrangement.
Can you trace out the circuit? The VR65 is equivalent to the SP61 (see http://www.r-type.org/exhib/aaf0004.htm). A sketch of the circuit, even if incomplete, would offer some clues.
Peter
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