Shared-current electronic systems with precise proportioning

Details Shared-current electronic systems with precise proportioning Shared-current electronic systems with precise proportioning

2007-03-13

2007-03-13

Choe, Henry (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including plural amplifier channels

C330S12400D

Reexamination Certificate

active

11028107

ABSTRACT:
Shared-current electronic systems (120, 130, 140, 150, 160, 170, 180, 190, and200) include two or more solid-state electronic devices, such as a solid-state amplifying device (Q1), a baseband processor (110), and a multiplier/up-converter (112), that are connected in dc series or dc series-parallel, that may be connected in rf series, and that either fixedly or variably share percentages of a dc source voltage. Various embodiments produce separate rf outputs, variably shift the phase of a single rf output, variably shift rf power between/among rf outputs, or produce a frequency-compressed modulation. The apparatus includes means (122, 162, 162A, and /or162B) for precisely proportioning percentages of the regulated dc source voltage to the dc series-connected electronic devices irrespective of production variations in operating parameters of the electronic devices and/or drift of the electronic devices.

REFERENCES:
patent: 6201445 (2001-03-01), Morimoto et al.
patent: 6847258 (2005-01-01), Ishida et al.
patent: 6900696 (2005-05-01), Lautzenhiser et al.
patent: 6980057 (2005-12-01), Morimoto et al.

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