Amplifier array and receiver circuit that includes the amplifier

Details Amplifier array and receiver circuit that includes the amplifier Amplifier array and receiver circuit that includes the amplifier

1995-07-10

1997-02-18

Mottola, Steven

Amplifiers

Combined with automatic amplifier disabling switch means

330124R, H03F 114

Patent

active

056044607

ABSTRACT:
An amplifier array having digitally adjustable total gain and being constructed of a multiplicity of switchable individual amplifiers, includes at least two parallel, selectively triggerable gain paths having input and output sides. Each of the gain paths has an input amplifier and a switching amplifier being connected downstream of the input amplifier and being switchable in stages. A multiplexer has inputs connected to the output side of the gain paths and has an output. An amplifier array input is connected to the input side of the gain paths and an amplifier array output is formed by the output of the multiplexer. In a mobile radio receiver having the amplifier array, a total gain of the amplifier array is adjusted for setting an output signal of the mobile radio receiver at a constant level.

REFERENCES:
patent: 3603972 (1971-09-01), Vanderford
patent: 4430609 (1984-02-01), Van Kessel et al.
patent: 4598252 (1986-07-01), Andricos
patent: 5216384 (1993-06-01), Vanhecke
patent: 5272449 (1993-12-01), Izawa
patent: 5313172 (1994-05-01), Vagher

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