5 kW switch (CB21370E)

Found in a 1967 GE SCR manual, this circuit is intended to control resistive loads, such as heating elements, up to 5 kW.

3.5 V x 10 mA Power Supply (CB13353E)
This common configuration source with diode bridge and single winding transformer was found in a...
LED Sensor (CB12958E)
In the figure we have an interesting circuit in which an LED is used as a photoelectric sensor. When...
Telephone Voice (CB10926E)
This circuit was obtained in a 1991 Electronics Handbook. The publication no longer exists, but...