| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 08/11/1999 | EP0934626A1 Measuring amplifier |
| 08/11/1999 | CN1225759A Method and device for continuous-time filtering in digital CMOS process |
| 08/10/1999 | US5936471 Frequency compensation of a current amplifier in MOS technology |
| 08/10/1999 | US5936469 Amplifier with input referred common-mode adjustment |
| 08/10/1999 | US5936468 Operational amplifier having two differential amplifiers |
| 08/10/1999 | US5936467 Dynamically invariant AB linear operation amplifier |
| 08/10/1999 | US5936466 Differential operational transconductance amplifier |
| 08/10/1999 | US5936465 Bipolar OTA using multitail cell |
| 08/10/1999 | US5936463 Inverted amplifying circuit |
| 08/10/1999 | US5936434 Voltage comparator and A/D converter |
| 08/10/1999 | US5936231 Photoelectric sensor circuit comprising an auxiliary photodiode and a current mirror circuit |
| 08/10/1999 | CA2193153C An efficient rf cmos amplifier with increased transconductance |
| 08/05/1999 | WO1999039449A1 Amplifier module with two power amplifiers for dual band cellular phones |
| 08/05/1999 | DE19832565A1 Transmitter-receiver selection switching module used in portable telephone |
| 08/04/1999 | EP0933879A2 Radio frequency transmitter |
| 08/04/1999 | EP0932941A1 Slotline-mounted flip chip structures |
| 08/04/1999 | EP0932933A1 Multi-stage high efficiency linear power amplifier |
| 08/04/1999 | EP0932932A1 Device for amplifying digital signals |
| 08/04/1999 | EP0830729A4 Micro-power rail-to-rail amplifier |
| 08/04/1999 | EP0824783A4 Balanced double-folded cascode operational amplifier |
| 08/04/1999 | CN2332109Y Audio-frequency power amplifier for computer |
| 08/04/1999 | CN1224950A High input impedance single ended, low supply voltage magnetoresistive preamplifier circuits |
| 08/03/1999 | US5933766 Intermodulation compensation in multi-channel amplifiers |
| 08/03/1999 | US5933057 Low noise amplifier |
| 08/03/1999 | US5933056 Single pole current mode common-mode feedback circuit |
| 08/03/1999 | US5933055 Operational amplifier operable with high performance even at a low voltage |
| 08/03/1999 | US5933051 Constant-voltage generating device |
| 08/03/1999 | CA2151003C Power amplifier with clipping level control |
| 07/29/1999 | WO1999038255A2 Pwm amplifier |
| 07/29/1999 | WO1999038254A2 Gain enhancement for operational amplifiers |
| 07/29/1999 | WO1999037207A1 Digital sliding pole fast-restore for an electrocardiograph display |
| 07/28/1999 | CN1044412C Source voltage control circuit |
| 07/27/1999 | US5930375 Audio mixing console |
| 07/27/1999 | US5930132 Semiconductor device, and method and apparatus for reducing a dead time in PWM inverter |
| 07/27/1999 | US5930128 Power waveform synthesis using bilateral devices |
| 07/27/1999 | US5929759 Proximity detector with rapid reception amplification |
| 07/27/1999 | US5929710 Cascode single-ended to differential converter |
| 07/27/1999 | US5929708 Low-voltage radio frequency amplifier |
| 07/27/1999 | US5929707 Amplifier system with controlled reactance |
| 07/27/1999 | US5929705 CMOS rail-to-rail input/output amplifier |
| 07/27/1999 | US5929702 Method and apparatus for high efficiency high dynamic range power amplification |
| 07/27/1999 | US5929689 In an integrating capacitor type amplifier |
| 07/27/1999 | US5929434 Ultra-low noise high bandwidth interface circuit for single-photon readout of photodetectors |
| 07/22/1999 | WO1999037021A1 Low voltage current mirror and ctat current source and method |
| 07/22/1999 | WO1999028768A3 Optical receiver |
| 07/21/1999 | EP0930700A2 Class D amplifier with scaled clock and related methods |
| 07/21/1999 | EP0929936A1 Multiple preamplifier circuit for a television tuner |
| 07/21/1999 | EP0929935A1 Coplanar waveguide amplifier |
| 07/21/1999 | EP0929934A1 Merged transconductance amplifier |
| 07/21/1999 | EP0839407B1 A high frequency, differential limiting distributed amplifier |
| 07/21/1999 | CN1223753A Device and method for compensating phase distortion |
| 07/21/1999 | CN1223500A Differential amplifier and method of compensation |
| 07/21/1999 | CN1223442A Semiconductor memory device provide with interface circuit consuming reduced amount of current consumption |
| 07/20/1999 | US5926509 Twisted pair communicatons line system |
| 07/20/1999 | US5926069 Low noise amplifier |
| 07/20/1999 | US5926068 Variable gain amplifier or analog multiplexer with feedforward current blocking |
| 07/20/1999 | US5926062 Reference voltage generating circuit |
| 07/20/1999 | US5926060 Mirror model for designing a continuous-time filter with reduced filter noise |
| 07/20/1999 | CA2175087C Coplanar waveguide mounted flip chip |
| 07/15/1999 | WO1999035545A1 Output buffer having a predriver for compensating slew rate against process variations |
| 07/15/1999 | DE19831596A1 HF signal amplifier circuit with temperature compensation |
| 07/15/1999 | CA2283584A1 Output buffer having a predriver for compensating slew rate against process variations |
| 07/14/1999 | EP0929193A2 A complementary push-pull cmos source follower analog video buffer |
| 07/14/1999 | EP0929164A1 Method and apparatus for determining an operating point of a non-linear amplifier of a communication channel |
| 07/14/1999 | EP0929021A1 Current supply circuit and bias voltage circuit |
| 07/13/1999 | US5923222 Low power amplifier and an oscillating circuit incorporating the amplifier |
| 07/13/1999 | US5923216 Frequency selective amplifier circuit |
| 07/13/1999 | US5923206 Charge injection cancellation technique |
| 07/13/1999 | US5923203 CMOS soft clipper |
| 07/08/1999 | DE19824761A1 Power amplifier especially for NMR medical tomograph |
| 07/07/1999 | EP0928063A2 Wideband CATV amplifier with microprocessor-based slope and gain control |
| 07/07/1999 | EP0927453A1 Three state output method and apparatus for high speed amplifiers |
| 07/06/1999 | US5920808 Power amplifier for use in a transmitter |
| 07/06/1999 | US5920232 Compensated, bias-dependent signal filter and amplifier circuit |
| 07/06/1999 | US5920231 Negative differential resistance amplifier |
| 07/06/1999 | US5920230 HEMT-HBT cascode distributed amplifier |
| 07/06/1999 | US5920229 Power amplifier apparatus |
| 07/06/1999 | CA2065447C Output amplifier |
| 07/01/1999 | WO1999033203A1 Method and apparatus for determining an operating point of a non-linear amplifier of a communication channel |
| 07/01/1999 | WO1999033172A1 Power amplification system and mobile radio communication terminal |
| 07/01/1999 | WO1999033168A1 Low voltage transistor biasing |
| 06/30/1999 | EP0926818A2 Class A/F amplifier |
| 06/30/1999 | EP0926817A1 Improved feedforward multicarrier linear RF power amplifier |
| 06/30/1999 | EP0926816A1 Operational amplifier arrangement |
| 06/30/1999 | EP0926762A1 Article comprising a combiner/splitter |
| 06/30/1999 | EP0925714A1 Circular stripline package incorporating a low noise amplifier |
| 06/30/1999 | EP0925643A1 High-efficiency amplifying device |
| 06/30/1999 | EP0925642A1 Device for amplifying signals |
| 06/29/1999 | US5917759 Input interface level determiner for use in a memory device |
| 06/29/1999 | US5917383 Compact voltage controlled ring oscillator with quadrature outputs |
| 06/29/1999 | US5917381 Amplifier |
| 06/29/1999 | US5917380 Digitally gain-controlled amplifier, and camera using such an amplifier |
| 06/29/1999 | US5917379 Integrated circuit |
| 06/29/1999 | US5917378 Rail-to-rail type of operational amplifier with a low offset voltage achieved by mixed compensation |
| 06/29/1999 | US5917377 Differential amplifier circuit |
| 06/29/1999 | US5917371 Distributed signal manipulation system |
| 06/29/1999 | US5917369 Pulse width modulator with automatic gain control over-voltage modulator and limiter |
| 06/29/1999 | US5917349 Current mode driver using N-type transistors |
| 06/29/1999 | CA2162469C Low noise oscillators and tracking filters |
| 06/24/1999 | WO1999031876A1 Display driver apparatus |