RTC oscillator amplifier circuit with improved noise immunity

Details RTC oscillator amplifier circuit with improved noise immunity RTC oscillator amplifier circuit with improved noise immunity

1997-02-14

1998-06-30

Tran, Toan

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Signal transmission integrity or spurious noise override

327112, 327299, 326 27, H03K 1716

Patent

active

057740097

ABSTRACT:
A clock generator circuit that produces clock signals at the logic signal transitions at an output in response to a sinewave input control signal derived from an oscillator includes a delay means connected in one of the inverter-amplifier stages to prevent unwanted noise-induced logic transitions at the output, thereby to reduce significantly the adverse effects of oscillator and power supply noise on the clock output signal.

REFERENCES:
patent: 5089728 (1992-02-01), Nguyen
patent: 5111076 (1992-05-01), Tarng
patent: 5140194 (1992-08-01), Okitaka
patent: 5497105 (1996-03-01), Oh et al.
patent: 5537067 (1996-07-01), Carvajal et al.
patent: 5592104 (1997-01-01), Bach

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