Testing of thermistors and SCRs (CB21391E)

This circuit was found in an old American manual. It is intended for testing SCRs and thermistors using indicator lamps.

Servo Motor Amplifier (CB12522E)
The circuit shown in figure 1 serves to control a servo motor with a current of up to 200 mA. The...
Voltage reference with REF01 (CB24681E)
This is a circuit with a period component that consisted of a voltage reference. The circuit is...
High impedance instrument amplifier (CB15801E)
This amplifier, suggested by National Semiconductor (Now Texas Instruments), has high input...