Pulse duration amplifier system

Details Pulse duration amplifier system Pulse duration amplifier system

1998-02-17

1999-10-19

Pascal, Robert

Amplifiers

Modulator-demodulator-type amplifier

330149, H03F 338

Patent

active

059695714

ABSTRACT:
A pulse duration modulation (PDM) amplifier system having a plurality of PDM carrier signals of like frequency but unlike phase. A first pair of PDM amplifiers responds to a common modulating input signal. Each amplifier pulse duration modulates a corresponding one of the PDM carrier signals. Each PDM amplifier has an output circuit. A common filter is associated with each pair of PDM amplifiers for filtering the corresponding signals obtained from the output circuits of the pair of PDM amplifiers and providing output signals on a filter output line. The output circuit of each PDM amplifier is coupled to the common filter.

REFERENCES:
patent: 4164714 (1979-08-01), Swanson
patent: 4468626 (1984-08-01), Swanson
patent: 5216376 (1993-06-01), Swanson
patent: 5387875 (1995-02-01), Tateno
patent: 5479337 (1995-12-01), Voigt
patent: 5613010 (1997-03-01), Heyl et al.

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