[Boatanchors] NC 125 low BFO injection level

[Richard Knoppow]

----- Original Message ----- 
From: "John King" <k5pgw at yahoo.com>
To: <boatanchors at mailman.qth.net>
Sent: Monday, April 18, 2011 2:56 PM
Subject: [Boatanchors] NC 125 low BFO injection level


>
> ________________________________
> I have a recapped National NC 125 receiver that I plan to 
> supply to our Club as
>
> a CW receiver in a vintage CW station for Field Day. The 
> receiver works fairly
> well but the amount of BFO injection is far below what I 
> remember one I used for
>
> a Novice receiver back in 1958. My old original NC 125 had 
> a very strong
>
> BFO and a well working Select O Ject.
>
> Anyone having any experience i pepping up the BFO 
> injection in a NC 125? Your
> suggestions appreciated. Thanks and 73, John, K5PGW
>
     The BFO coupling appears from the schematic to be a 
"gimmic" that is a couple of insulated wires twisted 
together to form a low value capacitor. Check this to see if 
its still intact. You can increase the amount of wire 
twisted to increase the injection.


--
Richard Knoppow
Los Angeles
WB6KBL
dickburk at ix.netcom.com