Document Type and Number:
Japanese Patent JPS6334649
Kind Code:
B2
Abstract:
A low pass-filter for low frequency signals having first portions situated above on one side and second portions situated on the other side of an average value. The filter comprises at least two integrators, each comprising a capacitor, included between the input and the output of a voltage-inverting amplifier, and a current source connected to said output, and three threshold comparators, of which the first one is connected to the input of the filter, of which the second one is included after the first integrator, and of which the third one is connected to the output of the filter. The arrangement is used in logic circuitry.
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Inventors:
JAN KUROODO JERAARU SHISU
JAN KUROODO KAIIRU
JAN KUROODO KAIIRU
Application Number:
JP1087180A
Publication Date:
July 12, 1988
Filing Date:
February 02, 1980
Export Citation:
Assignee:
FUIRITSUPUSU FURUUIRANPENFUABURIKEN NV
International Classes:
H03F3/343; H03H11/12; H03H19/00