ClassID:

218611

H03B5/1221 - CPC Classification

Classification description:

Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being semiconductor device using multiple transistors for amplification the amplifier comprising multiple amplification stages connected in cascade

Recent Application in this class:
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Multi-order wave voltage controlled oscillator

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20180167031
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Triple-push type voltage-controlled oscillator

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20180166146
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Semiconductor device and system relating to the reduction of test time in a ring oscillator burn-in test

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20170353157
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Methods and apparatus for generating a high swing in an oscillator

#10
20170237397
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Oscillator phase noise using active device stacking

#11
20170077871
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Improving oscillator phase noise using active device stacking

#12
20170054434
2017-02-23

Oscillator phase noise using active device stacking

#13
20130278344
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Oscillation signal generator

#14
20120299120
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RF circuits including transistors having strained material layers

#15
20120223782
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COMPLEX NEGATIVE FEEDBACK FREQUENCY SELECTION OUTPUT CIRCUIT AND OSCILLATION CIRCUIT USING THE SAME

#16
20110298549
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Method and apparatus for tuning frequency of LC-oscillators based on phase-tuning technique

#17
20110273239
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#18
20110241789
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INTEGRATED CIRCUIT CAPABLE OF REPEATEDLY USING CURRENT

#19
20110121362
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RF circuits including transistors having strained material layers

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LC VOLTAGE-CONTROLLED OSCILLATOR

#21
20110018645
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Voltage controlled oscillator

#22
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RF circuits including transistors having strained material layers

#23
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20090237168
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VOLTAGE-CONTROLLED OSCILLATOR

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20090219102
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20090189704
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20090167444
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20090134944
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20090085681
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20090066157
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20090027259
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Radar oscillator capable of preventing leak of oscillation output

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20080176529
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#38
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#39
20080042762
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#40
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#41
20070222528
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#43
20070176704
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#44
20070126521
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Coaxial resonator based voltage controlled oscillator/phased locked loop synthesizer module

#45
20070080854
2007-04-12

Radar oscillator capable of preventing leak of oscillation output

#46
20070018741
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Mutual inductance in transformer based tank circuitry

#47
20060232350
2006-10-19

Oscillator circuit suppressing variation of oscillation frequency

#48
20060158268
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Discrete clock generator and timing/frequency reference

#49
20060158267
2006-07-20

Inductor and capacitor-based clock generator and timing/frequency reference

#50
20060158260
2006-07-20

Device and method for frequency synthesis

#51
20060087473
2006-04-27

Radar system using quadrature signal

#52
20050212610
2005-09-29

LC oscillator

#53
20050156682
2005-07-21

Voltage-controlled oscillator using current feedback network

#54
20050116219
2005-06-02

RF circuits including transistors having strained material layers

#55
20050059373
2005-03-17

Frequency generator and communication system using the same

#56
20050046502
2005-03-03

Widely tuneable and fully differential LC oscillator utilizing an active inductor

#57
16942230
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#58
14732367
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Tunable quadrature oscillator

#59
13330140
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High efficiency harmonic voltage controlled oscillator (VCO)