This circuit is from a Radio Electronics from December 1964. The components are from the time and modern equivalents for transistors and diodes can be used.
Found in older Signetics documentation, this circuit generates signals from 30 Hz to 25 kHz....
This circuit trips a relay when it stops receiving a signal. The transistor is germanium. We found...
This standing wave alarm (SWR) warns when a high SWR value may mean an overload for the...