H03F2203/45608 - CPC Classification Index

ClassID:

220109 ⎘

H03F2203/45608 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by; Indexing scheme relating to differential amplifiers the IC comprising one or more series resonance circuits

Recent Application in this class:

20120293250

2012-11-22

Amplifier

20120262236

2012-10-18

Differential amplifying circuit

20100259331

2010-10-14

High-linearity low noise amplifier

20090219094

2009-09-03

Differential amplifier circuit and frequency mixer for improving linearity

20080074228

2008-03-27

Low mutual inductance matched inductors

20070057725

2007-03-15

Selective differential low-noise amplifier

20070024377

2007-02-01

Impedance matching techiques for multi-band or wideband RF amplifiers and associated amplifier designs

20060284670

2006-12-21

Neutralization techniques for differential low noise amplifiers

15916887

2019-05-14

Programmable buffering, bandwidth extension and pre-emphasis of a track-and-hold circuit using series inductance