Amplifier circuit with parallel connected amplifiers

Amplifiers – Signal feedback – Plural amplifier channels

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Details

330107, 330264, 330294, 330295, H03F 368

Patent

active

056507526

ABSTRACT:
An amplifier circuit has a wide frequency range which is broader than the frequency range expected from its circuit parameters. The amplifier circuit comprises a plurality of unit amplifier circuits connected in parallel. Each unit amplifier circuit contains an odd number of inverters serially connected from the first stage to the last stage, an input capacitance connected to the input terminal of the first stage, and a feedback capacitance connecting the output terminal of the inverter of the last stage to the input terminal of the inverter of the first stage. Thus, the amplifier circuit operates in a wide frequency range with little decrease in gain at high frequencies.

REFERENCES:
patent: 4656429 (1987-04-01), Masuda et al.
patent: 5084683 (1992-01-01), Nicoluni

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