Found in an Electronic Design from the 1990s, this circuit generates signals from 500 kHz to 1 MHz that are digitally synthesized to provide a sinusoidal output.
This circuit was found in an American documentation from the 60's. The transistors are from the...
This oscillator is indicated for the adjustment of FI of FM radios, having its frequency...
This configuration triggers an external circuit or simply an LED for time given by R1 and C1 (T =...