True logarithmic amplifier having a variable gain amplifier

Details True logarithmic amplifier having a variable gain amplifier True logarithmic amplifier having a variable gain amplifier

1991-03-08

1992-10-27

LaRoche, Eugene R.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307492, 307494, G06G 712, G06G 724

Patent

active

051592800

ABSTRACT:
A true logarithmic amplifier including a gain controlled amplifier having an RF signal input and a gain control input and a successive detection logarithmic amplifier having an RF signal input and a video output connected to the gain control input.

REFERENCES:
patent: 3061789 (1962-10-01), Mace
patent: 3668535 (1972-06-01), Lansdowne
patent: 4853564 (1989-08-01), Smith et al.
patent: 4933641 (1990-06-01), Hsiung et al.
patent: 4980584 (1990-12-01), Goff et al.
patent: 5012140 (1991-04-01), Bateman
patent: 5049829 (1991-09-01), Garskamp

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