Frequency compensated high frequency amplifiers

Details Frequency compensated high frequency amplifiers Frequency compensated high frequency amplifiers

1979-01-05

1980-10-07

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330294, 330307, 330311, H03F 3213

Patent

active

042271576

ABSTRACT:
The disclosed amplifier includes first and second gain stages and first and second frequency compensating capacitors. The second gain stage has a first high impedance node coupled to the first gain stage, a second high impedance node, a first circuit coupled between the first and second high impedance nodes, a third high impedance node, and a second circuit coupled between the second and third high impedance nodes. The impedances at the first, second and third high impedance nodes are a function of frequency and the impedance at the second high impedance node is lower at any given frequency than the impedances at the first and third high impedance nodes. The first frequency compensating capacitor is coupled between the first and third nodes and the second frequency compensating capacitor is coupled between the third and second nodes.

REFERENCES:
patent: 4145666 (1979-03-01), Seki
Stafford et al., "A Monolithic Radiation-Hardened Operational Amplifier", Solid State Technology, May 1970, vol. 13, No. 5, pp. 67-72.

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