This circuit is from a 60's documentation. The capacitance C1 can be between 20 pF and 0.01 uF depending on the generated frequency. Equivalent transistors may be employed.
This circuit was found in an old American documentation aimed at amateurs. The circuit generates...
Found in 1969 RCA documentation, this dimmer uses a dual time constant setting to achieve better...
With this circuit it is possible to connect a comparator to a power stage via two wires. The...