Signal adder circuit capable of removing effects due to...

Details Signal adder circuit capable of removing effects due to... Signal adder circuit capable of removing effects due to...

2008-05-06

2008-05-06

Le, Dinh T. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

External effect

Temperature

C327S362000

Reexamination Certificate

active

07368974

ABSTRACT:
A signal adder circuit includes: an adding unit that includes at least a pair of amplification elements in which a constant current flows between ground terminals and a ground, input signals having different phases are input to input terminals, and output terminals to which a power supply voltage is applied are connected to each other; a gain control unit that is provided between the ground and each of the ground terminals of the amplification elements so as to adjust the amplitudes of the input signals having different phases; and a phase control unit that is provided between the ground and each of the ground terminals of the amplification elements so as to adjust the phases of the input signals having different phases.

REFERENCES:
patent: 4100496 (1978-07-01), Akiyoshi et al.
patent: 6133773 (2000-10-01), Garlepp et al.
patent: 10-136048 (1998-05-01), None
patent: 2000-332841 (2000-11-01), None

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