Differential amplifier containing a low-pass filter

Amplifiers – Sum and difference amplifiers

Patent

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Details

330107, 330147, 330260, 330294, 330306, H03F 345

Patent

active

044841469

ABSTRACT:
A differential amplifier which incorporates at its preceding stage resistances and condensers combined with each other and serving as a low-pass filter, thereby omitting a conventional low-pass filter separate from a differential amplifier provided at a weight detection circuit for a load cell weighing scale or other detection circuit.

REFERENCES:
patent: 3619800 (1971-11-01), Lyghounis et al.

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