ClassID:

219361

H03F3/45179 - page 5 - CPC Classification

Classification description:

Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements; Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier using MOSFET transistors as the active amplifying circuit

Recent Application in this class:
#1201
20080261553
2008-10-23

RF input transconductor stage

#1202
20080247338
2008-10-09

High-frequency amplifier, and transmission/reception system

#1203
20080246511
2008-10-09

Differential Drive Circuit and Electronic Apparatus Incorporating the Same

#1204
20080238548
2008-10-02

Differential feedback amplifier circuit with cross coupled capacitors

#1205
20080238547
2008-10-02

Offset canceling circuit and offset canceling method

#1206
20080207144
2008-08-28

Method and system for improving efficiency over power control for linear and class AB power amplifiers

#1207
20080197926
2008-08-21

Source follower circuit and semiconductor apparatus

#1208
20080191807
2008-08-14

Signal converter having compensation unit

#1209
20080191313
2008-08-14

Adaptive radio transceiver with floating mosfet capacitors

#1210
20080182526
2008-07-31

Adaptive radio transceiver with an antenna matching circuit

#1211
20080179954
2008-07-31

Unity gain voltage buffer with dual supply voltage for managing current consumption in low voltage applications

#1212
20080170169
2008-07-17

Electric circuit

#1213
20080165168
2008-07-10

Differential amplifier and data driver employing the differential amplifier

#1214
20080143434
2008-06-19

Transconductor

#1215
20080136528
2008-06-12

Merged low-noise amplifier and balun

#1216
20080136521
2008-06-12

Method and system for a low power fully differential noise cancelling low noise amplifier

#1217
20080136464
2008-06-12

METHOD OF FABRICATING BIPOLAR TRANSISTORS AND HIGH-SPEED LVDS DRIVER WITH THE BIPOLAR TRANSISTORS

#1218
20080136458
2008-06-12

Method and system for wide range amplitude detection

#1219
20080129345
2008-06-05

Low-voltage, low-power-consumption, and high-speed differential current-sense amplification

#1220
20080116975
2008-05-22

Class AB differential current conveyor input stage for a fully differential current feedback amplifier

#1221
20080100526
2008-05-01

Impedance matched passive radio frequency transmit/receive switch

#1222
20080100347
2008-05-01

Signal detecting circuit

#1223
20080094136
2008-04-24

Amplifier circuit and method of generating bias voltage in amplifier circuit

#1224
20080088616
2008-04-17

Buffer amplifier, driver IC and display apparatus using that driver IC

#1225
20080088373
2008-04-17

Differential amplifier using body-source cross coupling

#1226
20080081590
2008-04-03

Bypassable low noise amplifier topology with multi-tap transformer

#1227
20080079494
2008-04-03

Broadband low noise amplifier

#1228
20080077347
2008-03-27

Offset compensation for rail-to-rail avereraging circuit

#1229
20080074152
2008-03-27

Sense amplifier circuit for low voltage applications

#1230
20080070541
2008-03-20

Current converter, frequency mixer, radiofrequency transmission system and method for frequency mixing

#1231
20080061840
2008-03-13

Receiver circuit having compensated offset voltage

#1232
20080048728
2008-02-28

STABLE SENSE AMPLIFIER

#1233
20080042688
2008-02-21

Line driver device

#1234
20080036537
2008-02-14

Wide-band low-noise CMOS amplifier

#1235
20080036535
2008-02-14

Amplifying circuit of semiconductor integrated circuit

#1236
20080036507
2008-02-14

Differential signal transmission and reception circuit capable of reducing power consumption

#1237
20080030266
2008-02-07

Limiting amplifiers

#1238
20080030240
2008-02-07

LOW SYSTEMATIC OFFSET, TEMPERATURE INDEPENDENT VOLTAGE BUFFERING

#1239
20070285154
2007-12-13

Adaptive radio transceiver with filtering

#1240
20070273441
2007-11-29

Amplifier

#1241
20070260150
2007-11-08

Biomedical signal instrumentation amplifier

#1242
20070257712
2007-11-08

Low Current, High Gain, Single to Differential Buffer

#1243
20070241819
2007-10-18

Low-Offset, Wide Common Mode Range, Cascoded-Gain Single Stage Amplifier

#1244
20070236290
2007-10-11

Amplifier circuit and gain control method thereof

#1245
20070236289
2007-10-11

Differential amplifier, digital-to-analog converter and display device

#1246
20070216483
2007-09-20

Differential amplifier stage

#1247
20070216482
2007-09-20

High linearity and low noise amplifier with continuously variable gain control

#1248
20070216481
2007-09-20

Low noise amplifiers for low-power impulse radio ultra-wideband receivers

#1249
20070210869
2007-09-13

Differential amplifying circuit

#1250
20070200619
2007-08-30

Preamplifier circuits and methods of calibrating an offset in the same

#1251
20070196959
2007-08-23

Thin film transistor circuit and display utilizing the same

#1252
20070194848
2007-08-23

Variable gain amplifier

#1253
20070194767
2007-08-23

Step-down circuit with stabilized output voltage

#1254
20070176679
2007-08-02

Differential amplifier and radio system with a differential amplifier

#1255
20070170993
2007-07-26

Differential amplifier having an improved slew rate

#1256
20070164825
2007-07-19

Reduced-size sensor circuit

#1257
20070159248
2007-07-12

Differential amplifier, data driver and display device

#1258
20070152904
2007-07-05

Impedance matched passive radio frequency transmit/receive switch

#1259
20070152902
2007-07-05

Directive, broadband, high gain, active antenna system

#1260
20070152744
2007-07-05

Variable gain voltage/current converter circuit having current compensation circuit for compensating for change in DC current flowing into active element for performing voltage/current conversion

#1261
20070146071
2007-06-28

Common-gate common-source transconductance stage for RF downconversion mixer

#1262
20070127742
2007-06-07

Output coupling capacitor free audio power amplifier dynamically configured for speakers and headphones with excellent click and pop performance

#1263
20070120603
2007-05-31

Techniques for designing wide band low noise amplifiers

#1264
20070115051
2007-05-24

Nested transimpedance amplifier

#1265
20070109043
2007-05-17

Operational amplifier with zero offset

#1266
20070103231
2007-05-10

Nested transimpedance amplifier

#1267
20070096830
2007-05-03

Wideband circuits and methods

#1268
20070096816
2007-05-03

RF power amplifier and method for packaging the same

#1269
20070096815
2007-05-03

Analog preamplifier calibration

#1270
20070096808
2007-05-03

Nested transimpendance amplifier

#1271
20070090877
2007-04-26

Wideband circuits and methods

#1272
20070069767
2007-03-29

Differential amplifier

#1273
20070063767
2007-03-22

Bypassable low noise amplifier topology with multi-tap transformer

#1274
20070057723
2007-03-15

High performance input receiver circuit for reduced-swing inputs

#1275
20070052451
2007-03-08

DIFFERENTIAL INVERTER CIRCUIT

#1276
20070049205
2007-03-01

Adaptive radio transceiver with an antenna matching circuit

#1277
20070046367
2007-03-01

Method and apparatus for presetting an amplifier

#1278
20070024320
2007-02-01

Multi-standard transmitter

#1279
20070024262
2007-02-01

Integrated circuit apparatus and method of compensating a current

#1280
20060291572
2006-12-28

Method and system for a configurable Vcc reference and Vss reference differential current mode transmitter

#1281
20060290692
2006-12-28

Semiconductor device and electronic apparatus using the same

#1282
20060267915
2006-11-30

Data driver capable of an offset compensation and display apparatus having the same

#1283
20060267639
2006-11-30

Voltage generation circuit

#1284
20060261899
2006-11-23

Single-ended pseudo-differential output driver

#1285
20060261892
2006-11-23

Nested transimpedance amplifier

#1286
20060255997
2006-11-16

Differential analog filter

#1287
20060255996
2006-11-16

Baseband signal processor

#1288
20060255837
2006-11-16

Sense amplifier and electronic apparatus using the same

#1289
20060250186
2006-11-09

Amplifying device and converter thereof

#1290
20060249810
2006-11-09

Inductor with plural coil layers

#1291
20060240791
2006-10-26

Differential/single-ended input stage

#1292
20060238250
2006-10-26

Method for dynamic insertion loss control for 10/100/1000 MHz Ethernet signaling

#1293
20060199562
2006-09-07

Low noise, high-linearity RF front end receiver

#1294
20060176107
2006-08-10

Amplifier, voltage stabilizing unit and method thereof

#1295
20060176105
2006-08-10

Amplifier, voltage stabilizing unit and method thereof

#1296
20060170504
2006-08-03

Photodiode integrated circuit having multiple gain states

#1297
20060170449
2006-08-03

Differential amplifiers using asymmetric transfer characteristics to suppress input noise in output logic signals

#1298
20060158270
2006-07-20

Electronic circuit with transistors sharing one and the same well

#1299
20060158269
2006-07-20

Electronic circuit including at least one first differential pair with the transistors sharing one and the same source or one and the same drain

#1300
20060152256
2006-07-13

Push-pull buffer amplifier and source driver

#1301
20060139101
2006-06-29

Step-down circuit with stabilized output voltage

#1302
20060132193
2006-06-22

Differential amplifier and data driver employing the differential amplifier

#1303
20060132180
2006-06-22

Current driver, data driver, and display device

#1304
20060128340
2006-06-15

Radio frequency mixer with notch filter

#1305
20060125567
2006-06-15

Amplifier circuit

#1306
20060125562
2006-06-15

Variable gain amplifiers systems and methods

#1307
20060125532
2006-06-15

Low voltage differential signal driver with high power supply rejection ration

#1308
20060119432
2006-06-08

Layout structure of signal driver

#1309
20060091951
2006-05-04

Integrated circuit amplifier device and method using FET tunneling gate current

#1310
20060077004
2006-04-13

Low-distortion differential circuit

#1311
20060066431
2006-03-30

Adjustable differential inductor

#1312
20060066411
2006-03-30

Power amplifier for a transmitter

#1313
20060055463
2006-03-16

Linear transconductance cell with wide tuning range

#1314
20060055461
2006-03-16

Gain control scheme independent of process, voltage and temperature

#1315
20060055460
2006-03-16

Transimpedance amplifier with a high gain/bandwidth product for conversion of a DAC output current

#1316
20060055459
2006-03-16

Method and apparatus for a linear transconductance device

#1317
20060049874
2006-03-09

Differential power amplifier and method in class AB mode

#1318
20060044069
2006-03-02

Single-ended pseudo-differential output driver

#1319
20060044056
2006-03-02

System and method for programmable switching characteristics of an analog switch in a transconductance amplifier

#1320
20060044044
2006-03-02

Electric circuit

#1321
20060034622
2006-02-16

Optical receiver with increased dynamic range

#1322
20060034620
2006-02-16

Low noise optical receiver

#1323
20060034619
2006-02-16

Level detector for optical receivers

#1324
20060030277
2006-02-09

Programmable radio transceiver

#1325
20060028274
2006-02-09

Differential amplifier, and data driver of display device using the same

#1326
20060012902
2006-01-19

High speed hard disk drive with symmetric writer

#1327
20060006945
2006-01-12

Parallel amplifier configuration with power combining and impedance transformation

#1328
20050281103
2005-12-22

Semiconductor integrated circuit and operational amplifier

#1329
20050276145
2005-12-15

Differential input buffer for receiving signals relevant to low power

#1330
20050275460
2005-12-15

Current-mode instrumentation amplifier

#1331
20050275453
2005-12-15

Current-mode instrumentation amplifier gain error correction circuitry

#1332
20050275452
2005-12-15

Precision chopper-stabilized current mirror

#1333
20050270098
2005-12-08

General-purpose wideband amplifier

#1334
20050264339
2005-12-01

Transconductance amplifier with substantially constant resistance and mixer using same

#1335
20050258896
2005-11-24

Variable gain amplifier

#1336
20050258885
2005-11-24

DC offset cancellation circuit, differential amplification circuit with DC offset cancellation circuit, photo-electric pulse conversion circuit, pulse shaping circuit, and pulse generation circuit

#1337
20050253654
2005-11-17

Active load circuit for low-voltage CMOS voltage gain amplifier with wide bandwidth and high gain characteristic

#1338
20050242886
2005-11-03

Differential/single-ended input stage

#1339
20050231290
2005-10-20

Multi-band low noise amplifier system

#1340
20050218983
2005-10-06

Differential amplifier

#1341
20050218981
2005-10-06

Differential amplifier with two outputs and a single input of improved linearity

#1342
20050186925
2005-08-25

Adaptive radio transceiver with floating MOSFET capacitors

#1343
20050184801
2005-08-25

Correcting DC offsets in a multi-stage amplifier

#1344
20050179493
2005-08-18

Temperature controlled, log-linear gain control circuit for amplifiers

#1345
20050156668
2005-07-21

Amplifier, data driver and display apparatus having the same

#1346
20050156667
2005-07-21

Differential amplifier

#1347
20050153664
2005-07-14

Adaptive radio transceiver with an antenna matching circuit

#1348
20050151591
2005-07-14

RF power amplifier and method for packaging the same

#1349
20050146364
2005-07-07

Charge pump including a feedback device for use in a phase-locked loop

#1350
20050140443
2005-06-30

Differential low noise amplifier with low power consumption

#1351
20050140423
2005-06-30

CMOS exponential function generating circuit with temperature compensation technique

#1352
20050104629
2005-05-19

Differential current amplifier with common mode rejection and high frequency boost

#1353
20050093632
2005-05-05

Output stage for high gain and low distortion operational amplifier

#1354
20050093631
2005-05-05

Low-distortion differential circuit

#1355
20050093628
2005-05-05

Differential amplifier circuit and multistage amplifier circuit

#1356
20050090209
2005-04-28

High linearity, high efficiency power amplifier with DSP assisted linearity optimization

#1357
20050083101
2005-04-21

Small-amplitude differential interface circuit

#1358
20050079836
2005-04-14

Power amplifier having enhanced swing cascode architecture

#1359
20050073290
2005-04-07

Method and apparatus for compensating for temperature drift in semiconductor processes and circuitry

#1360
20050062504
2005-03-24

Current sense amplifier

#1361
20050057305
2005-03-17

Radio frequency low noise amplifier with automatic gain control

#1362
20050052237
2005-03-10

Power amplifier circuitry and method

#1363
20050052236
2005-03-10

Power amplifier circuitry and method

#1364
20050052235
2005-03-10

Power amplifier circuitry and method

#1365
20050052167
2005-03-10

Power amplifier circuitry and method

#1366
20050040883
2005-02-24

Semiconductor integrated circuit device

#1367
20050035821
2005-02-17

High speed, high resolution amplifier topology

#1368
20050030095
2005-02-10

Differential amplifier and comparator using the same

#1369
20050024142
2005-02-03

Variable gain amplifier system

#1370
20050017797
2005-01-27

Switched-capacitor, common-mode feedback circuit for a differential amplifier without tail current

#1371
20050012526
2005-01-20

Differential inverter circuit

#1372
20050007156
2005-01-13

Sense amplifier and electronic apparatus using the same

#1373
20050001681
2005-01-06

Low supply voltage and self-biased high speed receiver

#1374
17943578
2023-11-07

Differential diode-based variable impedance modules

#1375
17891249
2023-04-18

Push-push frequency doubling scheme and circuit based on complementary transistors

#1376
17191248
2022-05-31

Current-mode Schmitt trigger using current output stages

#1377
17113099
2022-02-01

Digital isolator

#1378
17100140
2022-03-29

Self-biased differential transmitter

#1379
16925590
2021-11-23

Power amplifier having a spread of graded outputs

#1380
16802684
2021-06-22

Bandwidth enhanced amplifier for high frequency CML to CMOS conversion

#1381
16796475
2022-04-05

High common mode rejection ratio (CMRR) current monitoring circuit using floating supplies

#1382
16730132
2020-12-01

Circuit for generating differential reference voltages, circuit for detecting signal peak, and electronic device

#1383
16581784
2020-09-01

Silicon carbide integrated circuit including P-N junction photodiode

#1384
16527104
2020-04-28

High-speed low-voltage serial link receiver and method thereof

#1385
16508371
2020-04-14

Metal oxide semiconductor field effect transistor (MOSFET) based voltage regulator circuit

#1386
16391957
2019-12-10

Voltage regulator and dynamic bleeder current circuit

#1387
16296157
2020-12-08

High voltage compatible push-pull buffer circuit

#1388
16202101
2020-04-28

Single chip for generating multiple differential signals and loop-through signals according to a single-ended RF signal

#1389
16136305
2019-10-15

Regulation/bypass automation for LDO with multiple supply voltages

#1390
16053415
2019-10-08

Analog-to-digital converter using discrete time comparator and switched capacitor charge pump

#1391
16035897
2019-10-15

Hybrid differential amplifier and method thereof

#1392
15962844
2019-05-28

Communication circuit including voltage mode harmonic-rejection mixer (HRM)

#1393
15950041
2019-06-04

Apparatuses and methods for input signal receiver circuits

#1394
15946716
2019-09-10

Broadband image-reject receiver for multi-band millimeter-wave 5G communication

#1395
15928791
2019-04-23

Transconductance amplifier with nonlinear transconductance and low quiescent current

#1396
15905190
2018-11-27

Low-power channel select filter using transresistance amplifier for DVB-H receivers

#1397
15893895
2018-10-09

Digital to analog converter with remote cascode devices

#1398
15875278
2019-04-09

Synthesizer—power amplifier interface in a wireless circuit

#1399
15862559
2019-02-12

Clock duty cycle correction circuit

#1400
15848130
2019-01-22

Digital low drop-out (LDO) voltage regulator with analog-assisted dynamic reference correction

#1401
15805099
2019-10-15

Silicon carbide integrated circuit active photodetector

#1402
15597077
2018-10-30

Method and device for TIA overload control in low power applications

#1403
15466112
2018-08-21

Balanced distributed power amplifier for monolithic microwave integrated circuit

#1404
15453525
2018-09-11

Continuous time linear equalizer with two adaptive zero frequency locations

#1405
15272828
2017-10-31

Linear variable gain amplifier

#1406
15221928
2017-10-17

Amplification systems

#1407
15201974
2017-09-05

Power amplifying circuit

#1408
15189773
2017-02-21

Biased passive mixer

#1409
15165809
2018-03-06

Filter-less chopping for offset cancellation

#1410
14985677
2016-09-13

Amplifier topology achieving high DC gain and wide output voltage range

#1411
14969042
2016-11-01

Amplifier circuit with static consumption control and corresponding control method

#1412
14967766
2017-07-04

Low voltage differential signal receiver with fully integrated AC coupling and bias latching

#1413
14940056
2017-03-28

Amplifier calibration methods and circuits

#1414
14864607
2016-09-13

Methods and structures for dynamically reducing DC offset

#1415
14849684
2016-07-19

Radio frequency receiver circuit and the inductor-coupling single-ended input differential-output low-noise amplifier thereof

#1416
14731194
2017-05-02

Operational transconductance amplifier of improved linearity

#1417
14668832
2016-08-09

Apparatus and methods for a cascode amplifier topology for millimeter-wave power application

#1418
14666779
2016-04-12

Active inductor and associated amplifying circuit

#1419
14663761
2016-08-02

Digitally controlled variable transductance stage for microwave mixers and amplifiers

#1420
14634896
2016-06-14

Pre-amplifier and a decision feedback equalizer using the same for reducing tap weight variations

#1421
14633866
2016-07-19

Dual path double zero continuous time linear equalizer

#1422
14588311
2018-09-04

Tunable filter for RF circuits

#1423
14581682
2016-05-10

High-input common-mode differential amplifiers

#1424
14506070
2016-03-01

High performance GaN operational amplifier with wide bandwidth and high dynamic range

#1425
14271509
2015-07-14

Linear equalizer circuit and method thereof

#1426
14051458
2015-01-06

Sense amplifier with cross-coupled transistor pair

#1427
14028984
2015-07-28

ESD protection circuit for cascode amplifiers

#1428
13952412
2015-12-01

Techniques for noise reduction during calibration

#1429
13857970
2015-06-16

Filter for attenuating undesired frequencies in a signal