This circuit uses currently uncommon components, including the 10.7 MHz (FI) filter. This circuit was found in Motorola's 1990 Linear Databook.
This circuit is suggested by the National Semiconductor Linar Applications Handbook, controlling a DC motor...
This balance control for the channels of a stereo system was found in a 1969 Mullard...
This circuit produces the ticking of a clock on a common piezoelectric transducer. The circuit has an...