Flash memory programming power source (CB9322E)

This circuit was found in Maxim's documentation from the 90's. The circuit provides 12 V x 120 mA.

80 MHz cascode amplifier (CB10065E)
This circuit was found in documentation from the 70s. We can try current JFET transistors....
Power supply for amplifier (CB23879E)
This is the power supply circuit for the amplifier in the previous circuit. The source is...
LM386 Bridge Amplifier (CB25300E)
This bridge circuit is designed for 8-ohm speakers delivering a few watts of power. The circuit is from...