We find this circuit in American documentation from the 1980s. It consists of a frequency folder using a varicap. The capacitors and coils depend on the frequency of operation.
Binary Indicator (CB6700E) This circuit was obtained from old documentation but can be used as a...
This circuit uses two sensors that are placed at the intersection of a miniature railroad, causing the LED...
This delay circuit for a sound system was found in the December 1990 Radio Electronics magazine as part...