High frequency linear amplifier assembly

Details High frequency linear amplifier assembly High frequency linear amplifier assembly

1991-05-20

1992-08-25

Mottola, Steven

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

330276, H03F 326

Patent

active

051422395

ABSTRACT:
A wide bandwidth linear amplifier (10) that has an operating band in excess of 1 GHz mounts the high power dissipating components (11) of the amplifier (10), and the components 917, 18) that control the high frequency gain and stability of the amplifier (10) onto a daughter board (32) that has a high thermal conductivity. The daughter board (32) and the remaining circuit components (21, 22, 23, 24, 26a, 26b) are then mounted on a mother board (31) that has a lower thermal conductivity. The assembly (30) reduces the circuit's parasitic inductance (46, 47, 48, 49) and parasitic capacitance (51, 52), and provides unconditional stability at high frequencies.

REFERENCES:
patent: 3368150 (1968-02-01), Worcester
patent: 4151479 (1979-04-01), Baba
patent: 4612512 (1986-09-01), Powell et al.

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