[Milsurplus] QST BC-455 Hack

[Marty Reynolds]

Hey Meir, u wrote

> I made a double conversion receiver out of a BC-348 and a BC-453. I
> stripped the IF stages of the BC-348 except for the BFO, put in the 85
> Kc IF transnsformers from the BC-453 and the BFO coil. Detuned the
> original 915 KHz BFO oscillator by 85 KHz, mixed that with the 915 KHz
> IF, fed it into the 85 KHz IF string/BFO, built a product detector and
> audio-derived AGC with selectable time constants. Boy, was it a hot,
> stable and great working receiver!

I had an ex-pal, GW3NJY, that put a 1000kc xtal in a BC-453's rfa socket.
12K8's triode was osc & pentode took input fm a '348.  1000-915 = 85

Voila!  Elegantly simple & almost no hackery.

Luvv'd it.

Cud doit today & avoid the alteration goon squad's wrath.

   Marty