Voltage controlled oscillator and phase-locked loop circuit

Details Voltage controlled oscillator and phase-locked loop circuit Voltage controlled oscillator and phase-locked loop circuit

1995-09-06

1996-10-08

Mis, David

Oscillators

Ring oscillators

331 2, 331 8, 331 25, 331 34, 331 46, 331 55, 331172, 331177R, 331175, 327122, 327158, H03B 524, H03L 7081, H03L 7083, H03L 7099

Patent

active

055635547

ABSTRACT:
The voltage-controlled oscillator according to the invention has a plurality of first amplifier elements 100 and a plurality of phase correctors 101. Each of the first amplifier element 100 is provided with a pair of input signal lines, a pair of output signal lines and one or more control signal line 104 and can function as a differential amplifier and control the delay time for which a differential signal is transmitted from the pair of input signal lines to the pair of output signal lines by the control signal of the control signal line 104.

REFERENCES:
patent: 4922141 (1990-05-01), Lofgren et al.
patent: 5347234 (1994-09-01), Gersbach et al.
patent: 5349311 (1994-09-01), Mentzer
patent: 5357217 (1994-10-01), Marchesi et al.
patent: 5416444 (1995-05-01), Yamauchi et al.
patent: 5428309 (1995-06-01), Yamauchi et al.
Pp. 309 and 310 of "Electronics Letters, 14th Feb. 1991, vol. 27, No. 4," Buchwald, A. W. et al High-Speed Voltage-Controlled Oscillator With Quadrature Outputs.

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