This circuit is from the 1990 Motorola Data Databook. The circuit can be implemented with equivalent transistors. The power supply must be symmetrical.
This experimental receiver was found in an English publication in 1979. It can receive medium-wave...
January 2017 – The bq35100 integrated circuit, a charge monitor and EOS for non-rechargeable...
This configuration, found several times on this site and in other articles, can generate...