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.

Adjustable pulse generator (CB9239E)
Found in a 1964 Electronic Design, this circuit generates 1 A pulses with durations from 100 us to...
Current Monitor (CB9664E)
We found this circuit in factory documentation from the 70s. The operational amplifier is from...
One Transistor DC Voltmeter (CB868E)
This simple circuit uses a 200 µA galvanometer to measure voltages in three ranges. The circuit...