This circuit with the PA7601 was found in a 1967 Philco-Ford documentation. The circuit has a pass band from 45 to 120 MHz.
We found this circuit that protects speakers against current surges that occur when the amplifier is...
Found in a 70’s documentation, this circuit can operate with signals up to 10 MHz. The operational...
This circuit consists of a voltage regulator for 6 V batteries with a very low voltage drop. The...