H03D3/18 - CPC Classification Index

ClassID:

218987 ⎘

H03D3/18 - CPC Classification

Classification description:

Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of synchronous gating arrangements

Sub-classes:

H03D3/20 » producing pulses whose amplitude or duration depends on phase difference 1

Recent Application in this class:

20180091789

2018-03-29

Shift control circuit and wireless device

20180091097

2018-03-29

Shift control circuit and wireless device

20110067083

2011-03-17

Fully integrated tuner architecture

20100237884

2010-09-23

Integrated switchless programmable attenuator and low noise amplifier

20080284919

2008-11-20

Fully integrated tuner architecture

20070120605

2007-05-31

Integrated switchless programmable attenuator and low noise amplifier

20070077908

2007-04-05

Fully integrated tuner architecture

20070013433

2007-01-18

Temperature compensation for internal inductor resistance

20050153677

2005-07-14

System and method for on-chip filter tuning

#10

20050107055

2005-05-19

Integrated switchless programmable attenuator and low noise amplifier