What is a differential amplifier?
| An amplifier whose output signal is proportional to the algebraic difference between two input signals; the input stage of operational amplifiers and emitter coupled logic gates. |
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| 2012-05-11 | 14GHz power amp targets satellite communication Mitsubishi Electric develops a prototype gallium nitride high-electron mobility transistor (GaN HEMT) amplifier with a 100W output power for Ku-band (14GHz) satellite communications. |
| 2012-04-19 | ST's Android app targets op-amp design The ST op-amps Android mobile app is fully developed, tested and certified, and claims to simplify and speed up op-amp selection and circuit design. |
| 2012-04-03 | Power amps boost E-band radio transmissions The EXT7601 and EXT8601 power amplifier chipsets from GigOptix provide Psat output power of 23dBm in the 71-76GHz band and 22dBm in the 81-86GHz band. |
| 2012-04-02 | ADC driver ups performance-to-power ratio by 8x TI's ADC driver, THS4531 boasts more than eight times the performance-to-power ratio of similar devices using only 250µA of quiescent current while providing 36MHz of bandwidth. |
| 2012-03-20 | TI's 16bit ADC packs programmable comparator TI's ADS1115-Q1 is a 16bit delta-sigma ADC that includes a low-drift reference, programmable gain amplifier, mux and oscillator offering a highly-integrated solution for automotive applications. |
| 2012-03-21 | Transmitter/receiver pair functions as antitheft alarm Read about a simple circuit that sounds an alarm as the distance between the transmitter and receiver increases, and the received power level falls below a predetermined threshold. |
| 2012-03-13 | Power platform optimises 4G/LTE operation RFMD's PowerSmart product family is a converged power platform capable of up to 12 bands of 4G LTE, 3G and 2G. |
| 2012-03-02 | RFMD power amps enable bandwidths up to 20MHz RFMD's 4G LTE and WCDMA power amplifiers cover WCDMA bands 1, 2, 3, 4, 5 and 8, and LTE bands 4, 7, 11, 13, 17, 18, 20 and 21. |
| 2012-03-01 | DC/DC switching converters extend battery life TI adds the National LM3242 and LM3243 regulators that are adaptive power supply ICs that minimise power consumption of the RF power amplifier across all operating conditions. |
| 2012-02-23 | Dual-band PAD modules optimise RF performance Anadigics' dual-band power amplifier duplexer (PAD) modules offer optimal RF performance and longer battery-life, while reducing device design and assembly complexity. |
| 2012-02-22 | Toshiba's circuit tech removes distortion According to Toshiba, a CMOS power amplifier integrated with circuit improves the power efficiency 1.4 times. |
| 2012-02-22 | Dual-band power amp aimed at 3G, 4G smartphones TriQuint's dual-band power amplifier solution offers mix-and-match two-band combinations that provide a flexible, high-performance platform for 3G, 4G smartphones. |
| 2012-01-18 | Power amp enables 2.8-3.4GHz wideband operation RFMD's RF3928B is a 65V 380W high power discrete amplifier featuring integrated matching components for high terminal impedances. |
| 2012-01-16 | Audio amplifiers serve peak power density STMicroelectronics ' TDA7498E dual-Bridge Tied Load class-D audio amplifier pack 320W of total output power in a 100mm2. |
| 2012-01-10 | Create sounds using analogue electronics (Part 4) The fourth installment of this series tackles voltage-controlled amplifiers. |
| 2012-01-12 | Boost amp noise for high 3rd intercept amps Read about an approach to noise figure improvement. |
| 2011-12-26 | ET power supply ensures 4G/LTE operation Quantance Inc.'s Q845 ET single-chip power amplifier aims to reach theoretical limits of efficiency and achieve peak transmit power. |
| 2011-12-23 | Difference amplifier features 100dB CMRR Difference amplifier features 100dB CMRR |
| 2011-12-21 | Digital microphone enhances noise rejection Fairchild's FAN3850A and FAN3850T digital microphone pre-amplifiers integrate a pre-amplifier, low drop-out regulator (LDO) and ADC. |
| 2011-12-20 | AMR angle sensor packs amplifier IC AMR angle sensor packs amplifier IC |
| 2011-12-13 | LTE/WiMAX power amp boosts linear output power Anadigics' AWM6268 offers increased output power to deliver greater range and throughput in the 2.5-2.7GHz frequency band. |
| 2011-12-06 | Create sounds using analogue electronics (Part 3) The third instalment of this series provides a comprehensive discussion on envelopes. |
| 2011-11-24 | Power amp boasts frequency coverage up to 90GHz GigOptix reveals 0.25W iT2012 MMIC power amplifier that claims to target military electronic warfare, radar, test and measurement equipment and broadband telecom equipment applications. |
| 2011-11-14 | ADC reduces upto 75% board space TI releases OPAx836 single and dual ADC drivers that claim to provide 15x faster slew rate, 40x better total harmonic distortion (THD) and 75 per cent higher precision. |
| 2011-11-11 | Instrumentation amp comes in 8-pin TDFN package Microchip releases the MCP6N1 an instrumentation amplifier that is said to be ideal for applications in the consumer, industrial and medical markets, such as in signal and sensor conditioning. |
| 2011-11-08 | Power IC aims for continuous wave, pulsed apps RFMD launches RFHA1000 GaN power IC, a wideband power amplifier that features operation of 28V and output power of 15W. |
| 2011-10-13 | Laser driver, amp up transmission bandwidth TM Technology develops the i7230 laser driver and i7330 limiting amplifier offering transfer rates of up to 4.25Gbit/s targeted at cloud-computing business opportunities. |
| 2011-10-13 | Measure EMI rejection ratio of op amps Learn how to apply the EMI rejection ratio parameter when EMI is a concern in a given circuit design. |
| 2011-10-04 | Create sounds using analogue electronics (Part 1) Learn about the features of analogue electronics that can contribute to the overall 'tone quality' of the instruments. |
| 2011-10-05 | How to use LMH6522 evaluation board Know how to use this evaluation board as a guide for high frequency layout and as a tool to aid in device testing and characterisation. |
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