Temperature control (CB10167E)

This circuit controls a direct current heating element. Power transistors must be load dependent. The components support modern equivalents.

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Logarithmic Polarization Source (CB6594E)
This circuit delivers at its output a voltage that proportional to the amplitude of the input...
Linear VCO (CB21502E)
This circuit was obtained from an American documentation from the 60s. The circuit makes use of...
Neon divider (CB9346E)
This circuit provides both frequency and voltage division. The circuit was found in a 1966...