This 8 ohm output amplifier was found in a 1968 Motorola publication. The circuit uses transistors of the time and is powered with a voltage of 25 V + 25 V.
Using the CA3130, this NAB EQ preamp has excellent gain. The power supply does not have to be...
This circuit, from an old ON Semiconductor publication, suggests a shield to excite an LED from an...
This TTL circuit can be used as a shield, controlled by one of the inverters. The circuit must be...