This circuit uses currently uncommon components, including the 10.7 MHz (FI) filter. This circuit was found in Motorola's 1990 Linear Databook.
Found in Motorola documentation from the 90s, this circuit makes use of a triac from that time. The...
This transistorized signal injector was one of the first that we found using the well-known...
This 200-mW amplifier uses one of the first commercial power transistors. The circuit is from a...