Method and apparatus for combining multiple signals for high...

Details Method and apparatus for combining multiple signals for high... Method and apparatus for combining multiple signals for high...

2006-08-15

2006-08-15

Choe, Henry (Department: 2817)

Amplifiers

With plural amplifier channels

Redundant amplifier circuits

C330S295000

Reexamination Certificate

active

07091774

ABSTRACT:
Methods and apparatus are provided for efficiently combining and filtering a plurality of input signals into a single combined output signal. M number of input signals are received, combined and filtered by a filter/combiner. The filter/combiner has a plurality of input stages for each input signal, and an output stage that combines the outputs of the input stages into the combined signal. The filter/combiner has a desired overall filter transfer function designed to filter signals having frequencies outside a passband and which passes the desired M input signals.

REFERENCES:
patent: 4949048 (1990-08-01), Tokumo et al.
patent: 6710650 (2004-03-01), Beaudin et al.
patent: 6734725 (2004-05-01), Masuda et al.
patent: 2004/0239416 (2004-12-01), Smiley et al.
patent: 2005/0062526 (2005-03-01), Morris et al.

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