| Patents for H03F 3 - Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements (44,008) |
|---|
| 05/26/2005 | WO2005027535A3 Band reject filters |
| 05/26/2005 | US20050114047 Measurement interface optimized for both differential and single-ended inputs |
| 05/26/2005 | US20050113947 Programmable system panel apparatus and method |
| 05/26/2005 | US20050113055 Digital amplification device |
| 05/26/2005 | US20050110667 Method and apparatus for converting PCM to PWM |
| 05/26/2005 | US20050110577 Transimpedance amplifier |
| 05/26/2005 | US20050110576 Amplifier |
| 05/26/2005 | US20050110575 Gain stabilization technique for narrow band integrated low noise amplifiers |
| 05/26/2005 | US20050110574 Amplifier |
| 05/26/2005 | US20050110573 Radio frequency power amplifier |
| 05/26/2005 | US20050110572 Amplifier; and transmitter and communication device incorporating the same |
| 05/26/2005 | US20050110570 Analog signal interpolation |
| 05/26/2005 | US20050110569 Digitally controlled transconductance cell |
| 05/26/2005 | US20050110568 Modified polar amplifier architecture |
| 05/26/2005 | US20050110567 System and method of pilot tone reuse in a feedforward amplifier |
| 05/26/2005 | US20050110564 Gain and Phase Balanced Amplifier Redundancy System |
| 05/26/2005 | US20050110563 Dual loop feedforward power amplifier |
| 05/26/2005 | US20050110561 Precision margining circuitry |
| 05/26/2005 | US20050110556 Bootstrap driver |
| 05/26/2005 | US20050110555 Amplifier and frequency converter |
| 05/26/2005 | US20050110550 DC offset cancellation in a direct-conversion receiver |
| 05/26/2005 | US20050110527 High speed single ended sense amplifier with built-in multiplexer |
| 05/26/2005 | US20050110470 Analog level shifter |
| 05/25/2005 | EP1533894A1 Semiconductor integrated circuit and semiconductor integrated circuit manufacturing method |
| 05/25/2005 | EP1532733A1 Receiving arrangement comprising a pre-amplifier circuit |
| 05/25/2005 | EP1532732A2 System and method for establishing the input impedance of an amplifier in a stacked configuration |
| 05/25/2005 | EP1532731A2 High power doherty amplifier |
| 05/25/2005 | EP1532730A2 Sequential dc offset correction for amplifier chain |
| 05/25/2005 | EP0861520B1 Small signal linearization in power switching amplifiers |
| 05/25/2005 | CN2702532Y Highly effective linear amplifier |
| 05/25/2005 | CN1620750A Method and apparatus for controlling an amplifier |
| 05/25/2005 | CN1620190A Signal converter, output amplifying device, audio apparatus, and transmitting and receiving system |
| 05/25/2005 | CN1619978A Method of controlling time domain transmitting power envelope and its device |
| 05/25/2005 | CN1619963A Infrared radiation receiving circuit, electronic device, and infrared radiation receiving method |
| 05/25/2005 | CN1619949A Amplifier, and transmitter and communication device incorporating the same |
| 05/25/2005 | CN1619948A 放大器 Amplifier |
| 05/25/2005 | CN1619947A Broad linear dynamic range continuous common mode feedback circuit structure |
| 05/25/2005 | CN1619945A High matching low power consumption low noise CDS cirecuit structure |
| 05/25/2005 | CN1619931A 电荷泵电路和放大器 The charge pump circuit and amplifier |
| 05/25/2005 | CN1619569A Current/charge-voltage convertor |
| 05/25/2005 | CN1203612C Light amplifier and optical pick-up device using it |
| 05/24/2005 | US6898097 Floating-gate analog circuit |
| 05/24/2005 | US6897800 Analog demultiplexer |
| 05/24/2005 | US6897732 Amplifier |
| 05/24/2005 | US6897729 Self-calibrating gain control circuit for low noise amplifier |
| 05/24/2005 | US6897728 High frequency power amplifier module and wireless communication system |
| 05/24/2005 | US6897727 Current mode switch capacitor circuit |
| 05/24/2005 | US6897726 Differential circuit, amplifier circuit, and display device using the amplifier circuit |
| 05/24/2005 | US6897725 Class D amplifier |
| 05/24/2005 | US6897722 Adaptive linearizer for RF power amplifiers |
| 05/24/2005 | US6897721 Composite amplifier with optimized linearity and efficiency |
| 05/24/2005 | US6897720 Switched-capacitor amplifier and analog interface circuit for charge coupled element adopting the same |
| 05/24/2005 | US6897700 Amplifier with digital DC offset cancellation feature |
| 05/24/2005 | US6897684 Input buffer circuit and semiconductor memory device |
| 05/19/2005 | WO2005046094A1 Method and system for converting an optical received pulse train into an electrical output pulse train |
| 05/19/2005 | WO2005046050A1 Multi-primary distributed active transformer amplifier power supply and control |
| 05/19/2005 | WO2005046049A2 Mmic distributed amplifier gate control using active bias |
| 05/19/2005 | US20050105364 Amplifier for amplifying input signal such as video signal and outputting amplified signal |
| 05/19/2005 | US20050105310 Current/charge-voltage converter and reset method |
| 05/19/2005 | US20050105309 Current/charge-voltage convertor |
| 05/19/2005 | US20050104758 Distortion compensator |
| 05/19/2005 | US20050104679 Power amplifier device |
| 05/19/2005 | US20050104664 Intergrated power amplifier arrangement |
| 05/19/2005 | US20050104663 Optical input preamplifier |
| 05/19/2005 | US20050104662 Amplifier arrangement |
| 05/19/2005 | US20050104661 Differential amplifier |
| 05/19/2005 | US20050104660 Differential amplifier with limitation of high common mode output voltages |
| 05/19/2005 | US20050104659 Darlington differential amplifier |
| 05/19/2005 | US20050104656 Amplifier |
| 05/19/2005 | US20050104652 Bias current generating circuit, laser diode driving circuit, and optical communication transmitter |
| 05/19/2005 | US20050104651 Charge pump circuit and amplifier |
| 05/19/2005 | US20050104629 Differential current amplifier with common mode rejection and high frequency boost |
| 05/19/2005 | US20050104570 [pulse width modulator and loading system thereof] |
| 05/19/2005 | US20050104151 Semiconductor device, temperature sensor, and electronic apparatus comprising it |
| 05/19/2005 | US20050104003 Charge or particle sensing |
| 05/18/2005 | EP1051802B1 If amplifier in a mixer oscillator with symmetrical and asymmetrical output mode |
| 05/18/2005 | CN1618178A Power amplification apparatus of portable terminal |
| 05/18/2005 | CN1618168A Digital PWM input D class amplifier by PMW negative feedback |
| 05/18/2005 | CN1618167A Switched mode power amplifier |
| 05/18/2005 | CN1617455A Method and circuit for effective conversion of PCM signals into PWM signals |
| 05/18/2005 | CN1617441A Voltage to current converter and method for converting |
| 05/18/2005 | CN1617440A Power amplification circuit |
| 05/18/2005 | CN1617419A Vehicle mounted charger and hand-free device combined circuit |
| 05/18/2005 | CN1616974A Current/charge-voltage converter and reset method |
| 05/17/2005 | US6895343 System and method for measuring essential power amplification functions |
| 05/17/2005 | US6895227 Transmission output stage for a mobile telephone |
| 05/17/2005 | US6895096 Microchannel plate audio amplifier |
| 05/17/2005 | US6894573 Tunable negative resistance device |
| 05/17/2005 | US6894568 Transimpedance amplifier with receive signal strength indicator |
| 05/17/2005 | US6894567 ESD protection circuit for use in RF CMOS IC design |
| 05/17/2005 | US6894566 Active load device that enables biasing of a very wide band distributed amplifier circuit with gain control |
| 05/17/2005 | US6894564 Variable-gain amplifier having error amplifier with constant loop gain |
| 05/17/2005 | US6894563 Automatic control of amplifier gain using degeneration |
| 05/17/2005 | US6894562 High-frequency amplifier, feed-forward amplifier and distortion compensating amplifier |
| 05/17/2005 | US6894556 Current mirror circuit and current source circuit |
| 05/17/2005 | US6894542 Comparator with hysteresis |
| 05/17/2005 | US6894541 Sense amplifier with feedback-controlled bitline access |
| 05/17/2005 | US6893101 Active element bias circuit for RF power transistor input |
| 05/17/2005 | CA2374794C Divided-voltage fet power amplifiers |
| 05/12/2005 | WO2005043749A1 Techniques to lower drive impedance and provide reduced dc offset |