H - Electricity – 03 – H
Patent
H - Electricity
03
H
H03H 11/48 (2006.01)
Patent
CA 2072436
A capacitive circuit, which is incorporated in an integrated circuit, includes a high-pass type non-inverting amplifier which receives an input signal and a differential amplifier which receives the input signal and an output signal of the non-inverting amplifier. A differential component between the bath signals is detected by the differential amplifier and fed-back to the input signal, whereby an input impedance shows a capacitive characteristic because the input signal is phase-shifted by 90 degrees.
Honda Fumiaki
Hosoya Nobukazu
Riches Mckenzie & Herbert Llp
Sanyo Electric Co. Ltd.
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