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What is a power amplifier?
Designated as the last amplifier in a transmission chain, a power amp typically requires the most attention to power efficiency.
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2012-05-11 14GHz power amp targets satellite communication
14GHz power amp targets satellite communication
2012-04-03 Power amps boost E-band radio transmissions
Power amps boost E-band radio transmissions
2012-04-02 ADC driver ups performance-to-power ratio by 8x
ADC driver ups performance-to-power ratio by 8x
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
Power platform optimises 4G/LTE operation
2012-03-02 RFMD power amps enable bandwidths up to 20MHz
RFMD power amps enable bandwidths up to 20MHz
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
Dual-band power amp aimed at 3G, 4G smartphones
2012-01-18 Power amp enables 2.8-3.4GHz wideband operation
Power amp enables 2.8-3.4GHz wideband operation
2012-01-16 Audio amplifiers serve peak power density
Audio amplifiers serve peak power density
2011-12-26 ET power supply ensures 4G/LTE operation
ET power supply ensures 4G/LTE operation
2011-12-13 LTE/WiMAX power amp boosts linear output power
LTE/WiMAX power amp boosts linear output power
2011-11-24 Power amp boasts frequency coverage up to 90GHz
Power amp boasts frequency coverage up to 90GHz
2011-11-08 Power IC aims for continuous wave, pulsed apps
Power IC aims for continuous wave, pulsed apps
2011-09-21 Capturing non-linear behaviour in power amp
Capturing non-linear behaviour in power amp
2011-08-10 FSK transceiver operates in the 27MHz ISM band
austriamicrosystems' AS3900 27MHz FSK transceiver IC features integrated functions that include power amplifier, clock, 24bits of OTP memory, battery level detection, system timers and power on reset.
2011-07-27 Piezo haptic driver touts high resolution effects
TI reveals the DRV8662, a piezo haptic driver that integrates a 105V boost converter, power diode and 50–200V peak-to-peak (Vpp) fully differential amplifier targeting mobile consumer and industrial designs.
2011-07-13 1.5GHz Doherty power amplifier for base station apps using BLF6G15L-250PBRN
1.5GHz Doherty power amplifier for base station apps using BLF6G15L-250PBRN
2011-07-07 Instrumentation amp features high 100dB CMRR
ADI launches the AD8420 micropower, wide-supply-range instrumentation amplifier offering precision, power efficiency and value for battery-powered medical, instrumentation and consumer devices.
2011-06-30 GaN FET power amp targets 1GHz CATV apps
GaN FET power amp targets 1GHz CATV apps
2011-06-28 RF power amplifiers aim at embedded WLAN apps
RF power amplifiers aim at embedded WLAN apps
2011-06-08 LNA modules target base transceiver station apps
Avago Technologies unveils a set of high-power switch and low-noise amplifier (LNA) modules designed for front-end receivers in TD-SCDMA and TD-LTE base transceiver station (BTS) applications.
2011-06-01 ST's current-sense amplifier IC offers low-cost sol'n
ST's current-sense amplifier IC offers low-cost sol'n
2011-05-26 RF PA linearizers target heterogeneous networks
Scintera rolls out the SC1869 and SC1889 system-on-chip (SoC) adaptive RF power amplifier linearizers that expand supported standards to include WiMAX, EVDO, HSDPA, LTE, TD-LTE and LTE Advanced.
2011-04-20 Power amp delivers slew rate more than 700V/µs
Power amp delivers slew rate more than 700V/µs
2011-03-29 Broadcast power amp offers 50% DVB-T efficiency
Broadcast power amp offers 50% DVB-T efficiency
2011-03-29 Quad DAC cuts power use by 65
Quad DAC cuts power use by 65
2011-02-14 Power amp aimed for small-cell base stations
Power amp aimed for small-cell base stations
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Clive Maxfield Strange modes of transport and other "stuff"

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