VCO without varicap (CB9435E)

This circuit was found in a 90s RF Design. It is an oscillator that can reach 800 MHz, with the frequency controlled by an input voltage.

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100 and 400 MHz amplifier (CB10062E)
Depending on the components, given in the table, this circuit can amplify signals of 100 MHz or...
First pulse preserver (CB9259E)
This circuit was found in a 1967 EEE. The components are from that time, but the circuit can be...
Temperature Controlled Oscillator (CB23735E)
The CMOS oscillator illustrated in the figure has a frequency that depends on the temperature...