ClassID:

220872

H03H11/1286 - CPC Classification

Classification description:

Networks using active elements; Multiple-port networks; Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier Sallen-Key biquad

Recent Application in this class:
#1
20210265981
2021-08-26

Active filter configured to suppress out-of-band peaking and an analog-to-digital converter using the same

#2
20190245522
2019-08-08

Method and device for adjusting passband width of filter

#3
20190214953
2019-07-11

High linearly WiGig baseband amplifier with channel select filter

#4
20190158067
2019-05-23

Filter Circuit with Programmable Gain and Frequency Response

#5
20180097489
2018-04-05

High linearly WiGig baseband amplifier with channel select filter

#6
20130297665
2013-11-07

Method and apparatus for signal filtering and for improving properties of electronic devices

#7
20130076434
2013-03-28

Differential source follower having 6dB gain with applications to WiGig baseband filters

#8
20120112826
2012-05-10

Active low pass filter

#9
20110019783
2011-01-27

Receiver and electronic device using the same

#10
20100060350
2010-03-11

Adaptive filtering system for patient signal monitoring

#11
20100060348
2010-03-11

Bandwidth-adjustable filter

#12
20080204129
2008-08-28

Simplified sallen-key low-pass filter circuit

#13
20070216474
2007-09-20

Filter circuit

#14
20070159240
2007-07-12

Lowpass biquad VGA filter

#15
20070064371
2007-03-22

Circuit device for filtering or impedance matching

#16
20070024480
2007-02-01

Digital/analog converter and method for digital/analog conversion of a signal

#17
20060250181
2006-11-09

BANDWIDTH-ADJUSTABLE FILTER

#18
20060220752
2006-10-05

Filter automatic adjustment apparatus, filter automatic adjustment method, and mobile telephone system

#19
20060197588
2006-09-07

FILTERING DEVICE HAVING MULTIPLE INPUTS AND MULTIPLE FEEDBACK PATHS

#20
20060186951
2006-08-24

Low noise lowpass filter

#21
20050237107
2005-10-27

Tunable Sallen-Key filter stage and filter assembly

#22
20050128115
2005-06-16

Loop filter for a continuous time sigma delta analog to digital converter

#23
16562854
2020-09-15

Source follower-based sallen-key architecture