ClassID:

219548

H03F2200/18 - page 3 - CPC Classification

Classification description:

Indexing scheme relating to amplifiers the bias of the gate of a FET being controlled by a control signal

Recent Application in this class:
#601
20070024376
2007-02-01

Radio frequency power amplifier module

#602
20070024358
2007-02-01

Semiconductor power device and RF signal amplifier

#603
20070001767
2007-01-04

Systems ramping power amplifier output power

#604
20060279470
2006-12-14

Series fed amplified antenna reflect array

#605
20060261460
2006-11-23

Semiconductor device

#606
20060197586
2006-09-07

Accurate cascode bias networks

#607
20060194551
2006-08-31

Power amplifier and polar modulation system

#608
20060158256
2006-07-20

Amplifier circuit having an extended Wilson current-mirror self-bias boosting circuit

#609
20060152288
2006-07-13

Method and system for amplifying a signal

#610
20060152286
2006-07-13

High-frequency amplifier

#611
20060114062
2006-06-01

Self adaptable bias circuit for enabling dynamic control of quiescent current in a linear power amplifier

#612
20060055447
2006-03-16

Temperature-compensated circuit for power amplifier using diode voltage control

#613
20060050809
2006-03-09

System and method for reducing phase distortion in a linear transmitter via the introduction of bias currents to a power amplifier

#614
20060033576
2006-02-16

Amplifier circuit having an impedance-controllable bias-boosting circuit

#615
20060028278
2006-02-09

Radio frequency power amplifier module

#616
20060001466
2006-01-05

Method for shaping signal pulses

#617
20050253657
2005-11-17

Controlled impedance bias circuit

#618
20050237114
2005-10-27

MMIC distributed amplifier gate control using active bias

#619
20050225396
2005-10-13

Bias circuit for power amplifier operated as a digital to analog converter

#620
20050218992
2005-10-06

Optimizing power consumption in amplifiers

#621
20050218991
2005-10-06

Bias circuit for a bipolar transistor

#622
20050212602
2005-09-29

Method and apparatus for doherty amplifier biasing

#623
20050134359
2005-06-23

Metal-oxide-semiconductor device having integrated bias circuit

#624
20050122172
2005-06-09

Biased Darlington transistor pair, method, and system

#625
20050093626
2005-05-05

Radio frequency power amplifier module

#626
20050083131
2005-04-21

MMIC distributed amplifier gate control using active bias

#627
20050052224
2005-03-10

Quiescent current control circuit for high-power amplifiers

#628
20050030105
2005-02-10

Temperature-insensitive bias circuit for high-power amplifiers

#629
15970872
2019-09-24

Operational amplifier with constant transconductance bias circuit and method using the same

#630
15451184
2018-05-01

Stacked PA power control

#631
15376969
2017-06-27

Pulse shaping biasing circuitry

#632
15374803
2017-09-05

Amplifier devices with envelope signal shaping for gate bias modulation

#633
15268297
2017-12-05

Standby voltage condition for fast RF amplifier bias recovery

#634
15268275
2017-12-12

Gate drivers for stacked transistor amplifiers

#635
15073853
2017-04-25

Bias circuit having reduced power consumption

#636
14715837
2016-09-13

Wide-band single-ended-to-differential low-noise amplifier using complementary push-pull structure

#637
14702586
2016-07-26

Apparatus and method for improving power supply rejection ratio