This circuit is based on an unusual component today. It demodulates a 10.7 MHz FI signal and was found in 1980s documentation.
This circuit, very traditional, was found in a practical Elettronica of 1977. The source cannot be of...
This circuit for analog video signals was obtained from a Linear Technology documentation from the 1990s. The...
This complementary transistor stage was found in a 1968 publication. The transistors are germanium types and...