Frequency converting circuit

Details Frequency converting circuit Frequency converting circuit

1996-01-30

1998-06-02

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Frequency or repetition rate conversion or control

327122, 327256, 327355, 327 99, 327407, H04N 9497, G11B 504

Patent

active

057606226

ABSTRACT:
This invention provides a frequency converting circuit that does not require balance adjustment, can be used in a broad frequency band, and is well-suited to implementation in the form of an integrated circuit. A first input signal undergoes a phase shift into 2.sup.o (where n is a natural number of 2 or greater) respective channel signals, each with a different phase, for output. A second input signal is used to generate switch signals 10 numbered 1 . . . n. The 2.sup.n channel signals are switched according to the first switch signal, reducing the number of channels by 1/2, for output. The output of the (m-1) th switch (where m is a natural number of 2 . . . n) is switched according to the mth switch signal, reducing the number of channels by 1/2 for output, at switch m. This process is repeated continuously from switches 2-n until the signal is output as a single channel signal.

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