Extended bandwidth amplifier and oscillator using positive...

Details Extended bandwidth amplifier and oscillator using positive... Extended bandwidth amplifier and oscillator using positive...

2007-05-08

2007-05-08

Nguyen, Khanh Van (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S253000, C330S260000

Reexamination Certificate

active

10857582

ABSTRACT:
Circuit topologies that provide extended bandwidth of operation are disclosed. The circuits have two stages that share inductors, in which in-phase current components sum at a summing node and flow together, increasing the magnitude of the current in the inductors. The inductive peaking exhibited by the circuits is increased without using excessively large inductors.

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BiCMOS 7HP, http://www-306.ibm.com/chips/techlib/techlib.nsf/products/BiCMOS—7HP.
Foundry Technologies 180 -nm CMOS, RF CMOS and SiGe BiCMOS, http://www-306.ibm.com/chips/techlib/techlib.nsf/techdocs/FE154539B8C4C01687256C. . .
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International Search Report Dated Nov. 14, 2005.

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