Voltage controlled oscillator and an operating method thereof

Details Voltage controlled oscillator and an operating method thereof Voltage controlled oscillator and an operating method thereof

1992-02-19

1993-04-20

Ng, Jin F.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328 14, H03L 700, H03B 1900

Patent

active

052045528

ABSTRACT:
Frequency data representing frequencies are stored in a memory in advance. An A/D converter converts an input signal V to a digital data. Addressing of the memory is carried out by using the digital data, and a frequency data is read out from a designated address. A count circuit counts prescribed clock pulses to provide a count data. A comparator compares the frequency data with the count data to provide the signal indicating comparison result, so that the counter circuit is reset.

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Stockl, Winterline: Elektrische MeBtechnik, Teujbner 1973, pp. 264-265.
Tietze: Schenk: Halbleiter-Schaltungstechnik, Springer-Verlag 1974, pp. 264-265.
English translation of Office Action (pp. 1-2).

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