[ARC5] OT? bc-348 bfo question

[D. Platt]

All of you guys have it right.  The BFO injection needs to be upwards of 
25% to 50% of the received signal level, at the point of mixing.  
Unfortunately, the BFO signal is fixed and one must use the RF gain to 
bring that ratio back into some sort of reasonable number, but at the 
expense of gain.  Increasing the BFO injection will certainly help.  Its 
only when signals are at or near the receiver MDS that too much BFO can 
be a negative factor.  Truth told, I really don't know what the actual 
ratios are in these old radio sets.  I read somewhere that only a very 
small percentage of signal voltage is required to provide a usable CW 
note.   I'd be curious to know what results you find in the BC-348.  I 
know that in receivers such as the S-40( ) and the SX-99, twisting the 
gimmick to twice the turns does, in fact, help.

Jeep - K3HVG