Frequency converter having low supply voltage

Details Frequency converter having low supply voltage Frequency converter having low supply voltage

2005-10-11

2005-10-11

Nguyen, Minh (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Frequency or repetition rate conversion or control

C455S313000

Reexamination Certificate

active

06954089

ABSTRACT:
A frequency converter configured to convert a first current signal having a first frequency into a second current signal having a second frequency different from the first frequency is disclosed, which comprises an adder configured to add the first current signal and a predetermined reference current signal to output a third current signal corresponding to the sum of the first current signal and the reference current signal, and a switching circuit configured to pass only that portion of the third current signal which is larger in magnitude than a threshold current to output the second current signal.

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Toshiyuki Umeda, et al. “A 1V2GHz CMOS Up-Converter Using Self-Switching Mixers” ISSCC 2002 Digest of Technical Papers, Feb. 6, 2002, pp. 402-403.

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