Amplifier circuit and control signal generator

Details Amplifier circuit and control signal generator Amplifier circuit and control signal generator

1999-03-02

2000-06-13

Lee, Benny

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330261, H03F 345

Patent

active

060754133

ABSTRACT:
By providing differential resistors in common emitters of pairs of differential transistor and differentially taking out signals from collectors, a circuit excellent in low noise property and linearity was obtained. Further, a ring type voltage controlled oscillation circuit is provided comprising n number of stages of variable delay circuits, a control signal generation circuit weighting n+1 outputs taken out of the voltage controlled oscillation circuit by a phase control signal voltage and controlling the phase, and a phase locked loop means for locking the phase by comparing the output of the voltage controlled oscillation circuit and an external pixel clock.

REFERENCES:
patent: 5488330 (1996-01-01), Masuoka et al.
patent: 5606288 (1997-02-01), Prentice
patent: 5648743 (1997-07-01), Nagaya et al.
patent: 5815034 (1998-09-01), Takahashi

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