Suggested by a 1990 book for amateurs, this circuit makes use of an integrated component that is not common today. It converts signals from one band to signals in a 10.7 MHz band below.
We found this filter in the 1990 Motorola Linear Databook, but it can be implemented with other...
This circuit is from Linear Technology 2005 documentation. The circuit is based on company...
This circuit sources a ramp signal with characteristic given by the diac. The circuit is powered...