NE602 Crystal Oscillator (CB26005E)

This oscillator reaches 50 MHz with an overtone crystal. The circuit is from Electronics Now magazine from February 1997.

DC speed control (CB7149E)
This circuit was suggested by Sprague Electric in an 80's documentation. The circuit uses a...
Tuned RC FET Amplifier (CB20093E)
This circuit was found in an American documentation two years 80. The MOSFET is of double port,...
Voltage-controlled oscillator (CB20831E)
This circuit is from American documentation from the 90s. The transistor is general-purpose and...