H03H11/0427 - CPC Classification Index

ClassID:

220835 ⎘

H03H11/0427 - CPC Classification

Classification description:

Networks using active elements; Multiple-port networks; Frequency selective two-port networks using transconductance amplifiers, e.g. gmC filters Filters using a single transconductance amplifier; Filters derived from a single transconductor filter, e.g. by element substitution, cascading, parallel connection

Recent Application in this class:

20230308082

FILTER

20210409246

Enhanced discrete-time feedforward equalizer

20200052729

Current-mode filtering using current steering

20180048293

Reconfigurable radio frequency (RF) bandstop/intermediate frequency (IF) bandpass filter

20170222626

High gain filter circuit with an accurate transfer function

20150229292

Second order loop filter and multi-order delta sigma modulator including the same

20140232370

Electronic inductance circuit for the power supply of a 2-wire bus intercom system and a device thereof

20130301753

CIRCUIT DEVICE AND ELECTRONIC APPARATUS

20130088291

Combined filter and transconductance amplifier

20120212288

Band pass filter and calibration method for band pass filter

20110012692

Current-input current-output reconfigurable passive reconstruction filter

20100176847

Voltage-current converter and filter circuit using same

15341829

8GHz-20GHz noise cancelling transversal reconfigurable notch filter

14726881

Gain-boosted N-path bandpass filter