Low voltage variable gain amplifier with feedback

Details Low voltage variable gain amplifier with feedback Low voltage variable gain amplifier with feedback

1998-05-04

2000-04-18

Pascal, Robert

Amplifiers

With semiconductor amplifying device

Including gain control means

330 86, H03G 312

Patent

active

060520302

ABSTRACT:
An amplifier with negative feedback, disposed in an integrated circuit arrangement, comprises an input amplification stage, configured to receive an input signal. A feedback stage configured to receive the output signal provided by the amplification stage, and provide a corresponding feedback signal to the amplification stage. A driver stage, coupled to the input stage, configured to receive the output signal provided by the amplification stage, and provide the output signal of the amplifier.

REFERENCES:
patent: 4608542 (1986-08-01), Siegel
patent: 4612514 (1986-09-01), Shigaki et al.
patent: 4764732 (1988-08-01), Dion
patent: 5363064 (1994-11-01), Mikamura
patent: 5465407 (1995-11-01), Hashimoto
patent: 5602510 (1997-02-01), Bayruns et al.
Robert G. Meyers, William D. Mack, A Wideband Low-Noise Variable Gain BiCMOS Transimpedance Amplifier, 1994 IEEE Journal of Solid State Circuits, v.29, No. 6, Jun. 1994.
Gurkanwal Singh Sahota, Charles James Persico, High Dynamic Range Variable-Gain Amplifier for CDMA Wireless Applictions, 1997 IEEE International Solid-State Circuits Conference, Session 22.

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