Oscillators – Solid state active element oscillator – Transistors
Reexamination Certificate
2006-09-05
2006-09-05
Mis, David (Department: 2817)
Oscillators
Solid state active element oscillator
Transistors
C331S03600C, C331S17700V, C331S179000, C332S127000, C332S141000
Reexamination Certificate
active
07102454
ABSTRACT:
A VCO system embodying the features of the present invention includes a frequency tuning circuit, a modulation circuit coupled in a parallel fashion with the frequency tuning circuit, a band tuning circuit coupled with the frequency tuning circuit in a parallel fashion having at least one switching circuit, a core circuit coupled with the frequency tuning circuit, the modulation circuit, and the band tuning circuit, wherein upon asserting a switching signal and upon adjusting a frequency turning signal, a frequency tuning bias signal, and a band tuning signal, the switching circuit is enabled for configuring the band tuning circuit to join the frequency tuning circuit for adjusting a predetermined output frequency based on a total inductance and a total capacitance provided by the core circuit, the frequency tuning circuit, the modulation circuit and the band tuning circuit.
REFERENCES:
patent: 5434543 (1995-07-01), Brilka et al.
Cheng Nean-Chu
Ho Chih-Long
Sze Bour-Yi
Mis David
Preston Gates & Ellis LLP
VIA Technologies Inc.
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