What is an operational amplifier?
| An operational amplifier, or op amp, is a device that amplifies analog signals. It uses two inputs: one for power and one for data. It is used in many applications from communications to stereo. |
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| 2012-01-25 | RF inductor touts 1-32nH inductance range The MLO 0402 devices are designed RF power amplifiers, low noise amplifiers, filter networks and MRI systems. |
| 2012-01-25 | Audio amp operates from 2.5-5.5V The device features an integrated boost converter that works at 2MHz, requiring only a small (2.2µH) external inductor and capacitor. |
| 2012-01-24 | Power amp targets 4G LTE infrastructure The MGA-43128 is high-linearity power amplifier for high-data-rate applications found in 700-800MHz cellular infrastructure equipment. |
| 2012-01-19 | Front-end modules geared for smart energy apps The RFFM6201 is a 2.4GHz band single-chip Zigbee FEM featuring an integrated power amplifier, low noise amplifier and diversity switch. |
| 2012-01-17 | Wideband power amp geared for broadband apps The RF3928B is a 65V 380W high power discrete amplifier for S-Band pulsed radar and air traffic control and surveillance. |
| 2012-01-16 | Eval board for LMH6517 DVGA characterization Learn about the LMH6517EVAL-R1 evaluation board designed to aid in the characterization of LMH6517 digital controlled variable gain amplifier. |
| 2012-01-13 | Audio amplifiers tout 3.2W/mm2 power density ST's TDA7498E amplifiers enable the design of platform solutions where the speaker impedance can be simply changed from 8Ω down to 2Ω without any power or current limitation. |
| 2012-01-10 | Create sounds using analogue electronics (Part 4) The fourth installment of this series tackles voltage-controlled amplifiers. |
| 2012-01-09 | Effects of offset, dynamic range and compression on measurements Know how signal offsets and oscilloscope/probe amplifier offsets interact with respect to the dynamic range of the probe amplifiers. |
| 2012-01-03 | Employ audio amplifier for MP3 docking station Employ audio amplifier for MP3 docking station |
| 2011-12-21 | Microphone combines pre-amplifier, LDO, ADC Microphone combines pre-amplifier, LDO, ADC |
| 2011-12-13 | Sensor integrates amplifier IC in SO8 package Sensor integrates amplifier IC in SO8 package |
| 2011-12-07 | 4G power amp supports 2.5-2.7GHz frequency Anadigic's AWM6268 features InGaP HBT technology and is optimized for a 50Ω system. |
| 2011-11-22 | MMIC power amp delivers >22dBm up to 30GHz GigOptix wideband distributed power amplifier boasts frequency coverage that extends up to 90GHz. |
| 2011-11-10 | ADCs offer 205MHz bandwidth TI's OPAx836 operational amplifiers claim to use 33 percent less power than similar solutions while providing more than twice the bandwidth. |
| 2011-11-04 | Power IC features 15W output power RFMD's RFHA1000 GaN power amplifier is designed for military communications, electronic warfare, wireless infrastructure, radar and two-way radios. |
| 2011-11-01 | Optical amplifier tech aimed to reach >40km Optical amplifier tech aimed to reach >40km |
| 2011-11-04 | Employ LMH6554 as ADC driver Read about an operational amplifier touted to be capable of performing the single-to-differential conversion required to drive high speed ADCs. |
| 2011-10-07 | API specs enable power efficient 4G phones OpenET Alliance has announced its envelope tracking interface to develop 4G handsets that require 30-50 percent less energy. |
| 2011-10-14 | Boost common-mode rejection with right-leg drive amplifier Boost common-mode rejection with right-leg drive amplifier |
| 2011-09-30 | VGA modules simplify design time, save PCB space Avago has announced a new set of VGA modules that can simplify design time and save PCB space. |
| 2011-10-04 | Choosing audio amplifiers for portable devices Read about the various means of improving audio in mobile phone and portable audio systems, many of which use a processor with integrated analog audio outputs. |
| 2011-09-26 | LNA operates from 2.7-36V TI's 36V operational amplifier has 475uA quiescent current and touts half the size of competing products. |
| 2011-09-22 | Transimpedance amp designed for 100GbE Inphi's IN2841TA can support data rates up to 28Gbit/s and touts a wide input dynamic range. |
| 2011-09-14 | Op amp touts less than 250µV offset voltage Linear Tech's high-speed amplifier drives 16-, 18bit SAR ADCs to 0V on a single 5V supply. |
| 2011-09-08 | Mindspeed releases fiber optic solutions Mindspeed's end-to-end fiber optic solutions target GPON, GEPON, XG-PON and 10G-EPON applications. |
| 2011-08-25 | Implement accurate high-side current sensing Read about a high-side current-sense amplifier (MAX9918) for monitoring inductive load currents over a wide range of input common-mode voltages. |
| 2011-08-18 | Zero-drift op amp delivers low noise of 8.8nV/rtHz TI's dual-channel OPA2188 targets high- and low-voltage supply applications needing ultra-high precision, such as test and measurement equipment and electronic weigh scales. |
| 2011-08-09 | Low-power FSK transceiver operates at 27MHz austriamicrosystems' transceiver transmits data up to 212Kbit/s and features integrated functions such as power amplifier, clock, 24bits of OTP memory and battery level detection. |
| 2011-08-15 | Biasing methods for amplifier and MMIC Biasing methods for amplifier and MMIC |
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