Clipper circuit for clipping an upper or lower portion of a uni-

Details Clipper circuit for clipping an upper or lower portion of a uni- Clipper circuit for clipping an upper or lower portion of a uni-

1995-12-28

1997-11-18

Callahan, Timothy P.

Electronic digital logic circuitry

Multifunctional or programmable

Array

327309, H03K 508

Patent

active

056892047

ABSTRACT:
A clipper circuit for clipping an upper portion and/or lower portion of a uni-directional sinusoidal voltage signal. The clipper circuit comprises a uni-directional buffer amplifier biased to either a (+) or (-) voltage for taking a sinusoidal voltage signal with only a (+) or (-) band value as an input voltage signal, a first Zener diode whose anode is connected to an output port of said uni-directional buffer amplifier and cathode is connected to a predetermined voltage source for clipping the lower portion of the input voltage signal as a predetermined setting value, and a second Zener diode whose cathode is connected to the output port of the uni-directional buffer amplifier and whose anode is grounded for clipping the upper portion of the input voltage signal as a predetermined setting value.

REFERENCES:
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patent: 4489312 (1984-12-01), Yoshizaki
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patent: 4858055 (1989-08-01), Okitaka
patent: 5206548 (1993-04-01), Takahashi et al.

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