FET Amplifier with protective circuit

Details FET Amplifier with protective circuit FET Amplifier with protective circuit

1977-08-01

1979-04-24

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including field effect transistor

330297, 330298, H03F 3185

Patent

active

041514807

ABSTRACT:
The present invention relates to an acoustic transducer including an improved electret assembly mounted in an improved case and having an electronic amplifier circuit comprising FET transistors. The electronic circuit further includes means for protecting the FET transistors against current surges.

REFERENCES:
patent: 2962665 (1960-11-01), Greatbatch
patent: 3048659 (1962-08-01), Crow et al.
patent: 3512100 (1970-05-01), Killion et al.
patent: 3927383 (1975-12-01), Fjarlie et al.
Sevin, FET TI Series, 1965, McGraw Hill, pp. 64-69.
Watson, "Biasing Considerations in FET Amplifier Stages", Electronic Engineering, Nov. 1968, pp. 600-605.
Krastelev, "High Speed Commutator and Preamplifier For Measurement of the Charges of Storage Capacitors, " Instruments and Experimental Techniques, vol. 19, No. 3, pt. 1, pp. 726-728, May-Jun. 1976 (Publ. Nov. 1976).

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