H03F2203/45202 - CPC Classification Index

ClassID:

219906 ⎘

H03F2203/45202 - 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 differential amplifier contains only resistors in the load

Recent Application in this class:

20200052664

2020-02-13

MATRIX POWER AMPLIFIER

20190288651

2019-09-19

Matrix power amplifier

20190103892

2019-04-04

Channel select filter having a fully differential transresistance amplifier and CMOS current amplifier

20180167038

2018-06-14

Fully depleted silicon on insulator power amplifier

20180123535

2018-05-03

Differential current to voltage converter

20180097484

2018-04-05

Matrix power amplifier

20170353165

2017-12-07

Differential amplifiers

20170346456

2017-11-30

Active RC filters

20170346454

2017-11-30

Transconductance amplifier having low distortion

#10

20160373079

2016-12-22

Programmable impedance network in an amplifier

#11

20160294336

2016-10-06

Balanced differential transimpedance amplifier with single ended input and balancing method

#12

20160164517

2016-06-09

High gain load circuit for a differential pair using depletion mode transistors

#13

20160079945

2016-03-17

PROGRAMMABLE IMPEDANCE NETWORK IN AN AMPLIFIER

#14

20150109057

2015-04-23

Resistive ladder

#15

15905190

2018-11-27

Low-power channel select filter using transresistance amplifier for DVB-H receivers

#16

15895829

2019-03-26

Self-biased operational transconductance amplifier-based reference circuit