Current-mode amplification system, and corresponding operational

Details Current-mode amplification system, and corresponding operational Current-mode amplification system, and corresponding operational

1994-09-26

1995-11-28

Mullins, James B.

Amplifiers

With amplifier bypass means

330260, 330294, 330306, H03F 345

Patent

active

054711703

ABSTRACT:
A current-mode amplification system including a first gain section and at least one second gain section chained together to form a chain of gain sections. The first gain section containing a first amplifier and a first low-pass filter. Each second gain section contains: a second amplifier having (1) a first input receiving the amplified and filtered output current from the preceding gain section in the chain, and (2) a second input receiving an input current of the amplification system, and delivering an amplified output current; an activator/deactivator for activating/deactivating the second input; and a second low-pass filter, the low-pass filter of each of the chained-together gain sections having a high cut-off frequency, the high cut-off frequencies of the various gain sections increasing from the input to the output of the amplification system.

REFERENCES:
patent: 5063356 (1991-11-01), Voorman
G. Nicollini et al, "A-78DB THD 100 Ohm Differential Driver for ISDN Applications", IEEE International Solid State Circuits Conference, vol. 34, Feb. 1991, pp. 278-329.

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