|[AMRadio] BTA Mods|
w5jo at brightok.net
Mon May 29 10:47:11 EDT 2006
That is interesting about the relays Rick. Are you sure they are DC coils?
I have a P&B LK 17A relay here that NIB. It is the same setup but has 115 V
coils. They are marked AC but I wonder if the BTA ran them off of DC?
> That could very well be true. When I receive the schematic I'll know more
> about exactly what the work is all about. There are very few differences
> between the BTA models circuit wise, but it seems the oscillator is one of
> them. The BTA-1R1 uses 4PDT AC relays to switch the crystal frequency
> and the R2 I have uses DPDT reversing latch relays with DC coils. I'm not
> sure exactly what else is different, but I have found some of the edge
> connections to be different.
> Thanks for the insight.
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