Category Archives: Philco

Colpitts stuff bookmarked, onward to mixing

I’ve decided that I’ll have to return to the Colpitts stuff later.  It seems to me that a lot of the small signal AC analysis nomenclature and procedures are applied to understanding this circuit, and I’m just not refreshed on … Continue reading

Posted in mixer, oscillator, Philco | Leave a comment

Philco restoration and Bitx-20 dust off

I’ve begun the slow process (for me anyway) of this restoration project on an old Philco 37-62 AM broadcast receiver.  All I’ve done to this point is to clean the major dust off the chassis and replace the power cord.  … Continue reading

Posted in bitx20, Philco | 3 Comments