Two SCR dimmer (CB7206E)

This circuit was found in a Motorola Manual of 1965. The circuit has neon lamps as trigger elements. Equivalent SCRs can be used.

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Current-Controlled Oscillator (CCO) (CIR116E)
The circuit shown here is a CCO. The frequency here depends on the current through the...
Stage with FET and Bipolar (CB6152E)
This circuit is from an Electronics World of 1967. The described calculations can be applied to...
Driver TAA435 (CB7254E)
This driver for audio signals using the TAA435 integrated circuit was found in Philips 1968...