Preamplifier having integrated circuitry

Details Preamplifier having integrated circuitry Preamplifier having integrated circuitry

1978-02-01

1979-05-01

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330255, 330257, 330307, H03F 345, H03F 304

Patent

active

041526627

ABSTRACT:
In a preamplifier having integrated circuitry, the improvement where the active elements of the first stage amplification of the preamplifier and the resistor which establishes the current flowing through these active elements are mounted on the outside of the integrated circuitry and the connecting terminals for the active elements and resistor are disposed with the remaining preamplifier components inside the integrated circuitry.

REFERENCES:
patent: 3369187 (1968-02-01), Csicsatka
Ozerrov et al., "Sensitive Electrometer Amplifier Employing MOS Transistors", Instruments and Experimental Techniques, vol. 18, No. 1, Pt. 2, Jan./Feb. 1975, pp. 157-159.
Lancaster, "Linear Integrated Circuits: What's Available?", Electronics World, Nov. 1966, pp. 38-42.

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