In fact, this 1967 Electronic Design circuit generates two symmetrical ramps whose frequency depends on the values of the components used. Modern equivalent transistors can be used.
Line voltage compensation (CB8816E) This circuit for the alternating current line (AC line) was...
This circuit was obtained in a 1982 English magazine of 1982. This circuit has three external...
This circuit is based on the operational amplifier LM833 which is not a common component today. The...