Amplifiers – Sum and difference amplifiers
Patent
1982-06-22
1984-11-20
Mullins, James B.
Amplifiers
Sum and difference amplifiers
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.
Kabushiki Kaisha Ishida Koki Seisakusho
Mullins James B.
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