Low Voltage Flasher (CB6250E)

This circuit was found in Motorola documentation from the 1980s. PUTs are not common components today and lamp power depends on the SCR.

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Constant Current Source (CB6628E)
This 1 A circuit was found in a Philips documentation from 1966. The transistor is of the time,...
Micro FM Transmitter (CB18590E)
This FM transmitter circuit was found in a Japanese publication in 1975. Equivalent transistors can be...
5 V regulator 741 (CB19113E)
In the figure we have the basic configuration of a 5 V regulator using an operational 741. In this...