This Hughes circuit is from 1968. Equivalent modern components can be used. The input impedance is 1000 M ohm.
This overtone oscillator can generate signals up to 150 MHz. The crystal determines the frequency and...
Figure bellow shows another configuratíon for a Iow-frequency sine wave oscillator using CMOS...
This low power TTL circuit (Low Power Schottky) can generate rectangular signals on a 10 MHz...