Found in a 1967 Delco documentation, this circuit can deliver power from 40 to 50 W at 8-ohm load. The response ranges from 20 to 20 000 Hz. No information is given about the transformer used.
This bargraph-type circuit employs a not very common integrated circuit today, but can be adapted...
May 2017 - This new Ricoh 4 A current device is now available from Mouser Electronics. The device...
This modulator circuit can be used in AM transmitters up to about 10 W of power. The TDA2002 must...