Mixing circuit

Details Mixing circuit Mixing circuit

1982-12-09

1985-07-02

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

H04N 950

Patent

active

045271909

ABSTRACT:
A plurality of sampled signals that differ in phase by 2.pi./N (where N is an integer greater than 1) from one another are mixed by sequentially supplying the sampled signals to a holding circuit, the holding circuit output is buffered in a buffer amplifier to produce the system output having a beneficial high-frequency characteristic. Deterioration of the frequency characteristic of the synthesized output signal for a high frequency range due to a low-pass filter effect stemming from the zero hold in the sample/hold circuit is prevented by the mixing circuit.

REFERENCES:
patent: 4059838 (1977-11-01), Banker
patent: 4183050 (1980-01-01), Tsuchiya

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