Microwave transistor amplifier

Details Microwave transistor amplifier Microwave transistor amplifier

1974-05-13

1976-02-24

Mullins, James B.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

330 38M, 330 53, H03F 304

Patent

active

039407063

ABSTRACT:
A low noise, multistage microwave transistor amplifier constructed using microwave integrated circuit techniques is disclosed. The illustrated embodiment is a two-stage transistor amplifier which is the basic building block for broadband, high-gain cascades. This amplifier features an interstage network consisting of a very short transmission line which minimizes the size and frequency dependence of the amplifier. This is achieved in the satellite communications band of 3.7 to 4.2 GHz by constructing the amplifier on a suitably low dielectric constant substrate rather than the usual high dielectric constant substrates used in microwave amplifier applications.

REFERENCES:
patent: 3631358 (1971-12-01), Ayaki
O'Clock, "Microstrig Amplifiers Can Be Simple," Electronic Design 14, July 8, 1971, pp. 66-68.
Tucker, "Synthesis of Broadband Microwave Transistor Amplifiers," Electronics Letters, Aug. 12, 1971, Vol. 7, No. 16, pp. 455, 456.

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