Supplying a ramp voltage to an amplifier

Amplifiers – Combined with automatic amplifier disabling switch means

Reexamination Certificate

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C330S258000

Reexamination Certificate

active

06940345

ABSTRACT:
A common mode ramp voltage generator may be used in generating a ramp voltage for the amplifier and thereby eliminating or reducing pop noise.

REFERENCES:
patent: 4733171 (1988-03-01), Milkovic
patent: 4899152 (1990-02-01), Barrow et al.
patent: 6348781 (2002-02-01), Midya et al.
patent: 6509790 (2003-01-01), Yang
Low Voltage, Stereo DAC with Headphone Amp, Jul. 2002, pp.1-36, CS43L43,CIRRUS LOGIC, Austin, Texas.
PCM codec IC for digital cellular telephones, pp. 599-609, BU8733KV, ROHM, Communication ICs.
PCM codec IC digital cellular telephones, pp. 610-620, BU8731KV, ROHM.

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