Title: Operational amplifier integrator
Application Number: 03809132 Application Date: 2003.04.01
Publication Number: 1647095 Publication Date: 2005.07.27
Approval Pub. Date: 2007.04.25 Granted Pub. Date: 2007.04.25
International Classifi-cation: G06G7/186
Applicant(s) Name: Koninkl Philips Electronics NV Address:
Inventor(s) Name: Van Tuijl Adrianus J. M.
Attorney & Agent: liu gong zhang zhicheng
Abstract:
    An integrator circuit comprises an operational amplifier which has a transistor stage (1) with an input terminal (4) and an output terminal (3), a feedback capacitor (2) connected between the input terminal (4) and the output terminal (3), and a resistor (5) connected to the input terminal (4), and also has an additional circuit branch (20) comprising a second capacitor (22) and a second resistor (25) connected in series one with the other and connected between the output terminal (3) of the transistor stage (1) and voltage comprising the inverted input voltage to the integrator circuit. Preferably two additional circuit branches (320, 320
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