H03H11/1208 - CPC Classification Index

ClassID:

220854 ⎘

H03H11/1208 - CPC Classification

Classification description:

Networks using active elements; Multiple-port networks; Frequency selective two-port networks using amplifiers with feedback comprising an electromechanical resonator

Recent Application in this class:

20220376670

2022-11-24

PHASE NOISE REDUCTION IN A VARIABLE ANALOGUE RF RESONATOR WITH SWITCHED CAPACITORS

20210391849

2021-12-16

Tunable bandpass filter with high stability and orthogonal tuning

20210067125

2021-03-04

Fast frequency switching in a resonant high-Q analog filter

20190013789

2019-01-10

Variable-frequency LC filter, high-frequency frontend module, and communication apparatus

20180323770

2018-11-08

Variable filter

20170149411

2017-05-25

Variable filter

20120171978

2012-07-05

Methods and systems for interference rejection for low signals

20120161862

2012-06-28

Filter circuit