Document Type and Number:
Japanese Patent JPH0429246
Kind Code:
B2
Abstract:
A low pass filter which comprises first, second and third switched capacitor circuits connected to a power source VDD and/or a power source VSS, first and second operational amplifiers driven by the power sources VDD and VSS, and a bias circuit connected between the power sources VDD and VSS for providing a bias voltage to the non-inverting input terminals of the first and second amplifiers.
Application Number:
JP13723481A
Publication Date:
May 18, 1992
Filing Date:
September 01, 1981
Export Citation:
International Classes:
H03H19/00
Next Patent: JPH0429247