Dual band amplifier

Details Dual band amplifier Dual band amplifier

1998-02-04

2000-03-28

Kinkead, Arnold

Modulators

Frequency modulator

330150, 330151, 330 51, 455266, 455341, 4551881, 4552001, 455127, H03F 3189, H03F 3191

Patent

active

060437219

ABSTRACT:
An amplifier (104) for a dual band device includes multiple amplifier stages coupled between an input (103) and output (105). The amplifier stages include a first amplifier stage (200) having a first amplifier (206), a second amplifier stage (202) having a second amplifier, and a third amplifier stage (204) having a third amplifier (210). A first bypass (218) in said first amplifier stage provides a bypass for signals in a first frequency band. A second bypass (250) is provided in the third amplifier stage, the second bypass to provide for signals in a second frequency band a signal path that bypasses the third amplifier. Signals in the first and second frequency bands are amplified by the second amplifier.

REFERENCES:
patent: 5060294 (1991-10-01), Schwent et al.
patent: 5437051 (1995-07-01), Oto
patent: 5499394 (1996-03-01), Kaatz et al.
patent: 5661434 (1997-08-01), Brozovich et al.

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