Found in a 1969 Burr-Brown publication, this circuit makes use of integrated components from that period. With modern equivalents, it can be adapted to be used as a shield.
Pressing S1 the LED glows by a time interval depending on the capacitor. Time intervals in the...
This overtone oscillator can generate signals up to 150 MHz. The crystal determines the frequency and...
Found in a 90's EDN, this circuit generates signals in the frequency range given by the graph. The...