Feedback network for cascaded amplifiers

Details Feedback network for cascaded amplifiers Feedback network for cascaded amplifiers

2011-07-12

2011-07-12

Choe, Henry K (Department: 2817)

Amplifiers

Signal feedback

In cascade amplifiers

C330S310000

Reexamination Certificate

active

07978007

ABSTRACT:
The invention relates to a feedback network (60) for cascade amplifiers (200), which comprises an active stage (30) to feed signal back to a first internal node (65) at the output of the first amplifier stage (61) of the cascade. The invention further relates to a feedback network (60) which comprises said active feedback stage (30) with said first internal amplifier node (65) connection and a feedback resistor (10) connected from said cascade amplifier output port (out) to its input port (in).

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Article by Lorenzo Tripodi & Hans Brekelmans, “Low-noise variable-gain amplifier in 90-nm CMOS TV on mobile”.
Article by Johan Janssens, Michiel Steyaert and Hiroyuki Miyakawa, “A 2.7 Volt CMOS Broadband Low Noise Amplifier”, 1997 Symposium on VLSI Circuits Digest of Technical Papers.

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