Ultra wide band signal generator

Oscillators – Combined with particular output coupling network – Space discharge or unilaterally conductive device in output...

Reexamination Certificate

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C331S03600C, C331S181000

Reexamination Certificate

active

07403075

ABSTRACT:
Disclosed is an ultra wide band signal generator. The ultra wide band signal generator generates a signal of a required frequency using a harmonic signal having a frequency range of a ultra wide band (UWB). The ultra wide band signal generator includes an active inductor for generating harmonic signals having power strengths substantially equal to each other within a non-linear operation range, the tunable active inductor capable of tuning a value thereof, an oscillator for amplifying and outputting the harmonic signals generated from the active inductor by frequency-transiting the harmonic signals into high frequency bands, and a filter for selectively outputting one of the harmonic signals output from the oscillator.

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patent: 5821825 (1998-10-01), Kobayashi
patent: 2005/0189999 (2005-09-01), Cathelin et al.
patent: 2006/0055470 (2006-03-01), Luong et al.
patent: 2006/0103479 (2006-05-01), Paillet et al.
patent: 2006/0158267 (2006-07-01), McCorquodale et al.
patent: 08065050 (1996-03-01), None
Kobayashi et al., A Novel Self-Oscillating HEMT-HBT Cascode VCO-Mixer Using an Active Tunable Inductor, IEEE Journal of Solid-State Circuits, vol. 33, No. 6, Jun. 1998; pp. 870-875.
Wu et al., A Constant Power Consumption CMOS LC Oscillator Using Improved High-Q Active Inductor With Wide Tuning-Range, The 47thIEEE International Symposium on Circuits and Systems, vol. 3, Jul. 25-28, 2004, pp. III347-III350.
Cho et al., A Novel Active Inductor and Its Application to Inductance-Controlled Oscillator, IEEE Transactions on Microwave Theory and Techniques, vol. 45, No. 8, Aug. 1997; pp. 1208-1213.

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