Current controlled oscillator with linear output frequency

Details Current controlled oscillator with linear output frequency Current controlled oscillator with linear output frequency

1992-05-15

1993-04-27

Mis, David

Oscillators

Ring oscillators

331177R, H03B 524

Patent

active

052066096

ABSTRACT:
A current controlled ring oscillator use a plurality of serial amplifier stages with the output of the last stage connected to the input of the first stage. The ring oscillator maintains a linear output frequency over the control range by using a control circuit to compensate for variation in gate-source voltage of output clamping transistors. Moreover, switching nonlinearities can be removed by increasing the minimum value and decreasing the maximum value of the output waveform of each amplifier stage so as to compensate for time lost during the transition of the deadzone.

REFERENCES:
patent: 4876519 (1989-10-01), Davis et al.

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