STMicroelectronics is simplifying designers’ search for high-performing operational amplifiers (op amps) by introducing three new 6MHz rail-to-rail devices with strong all-around parameters including a wide operating voltage range and low noise. The TSB511, TSB512, and TSB514 are single, dual, and quad op amps, respectively. They can operate from a single supply in the range from 2.7V to […]
Amplifiers
High-power amps cover VHF, UHF, L, S, C, X and Ku bands
Fairview Microwave has broadened its line of high-power amplifiers designed for multiple market applications in VHF, UHF, L, S, C, X and Ku bands. This innovative line of broadband high-power amplifiers includes mainly GaN and some LDMOS semiconductor designs with detailed datasheets. GaN performance benefits are the most desirable for broadband applications and exhibit high efficiency in […]
Precision op-amps offer wide dynamic range, low noise
Diodes Incorporated is addressing the need for advanced signal conditioning in modern automotive designs by introducing two precision operational amplifiers (op-amps) aimed at different signal frequency scenarios. The low signal-to-noise ratio characteristics of the DIODES AS2376Q mean it is optimized for high-frequency usages, such as in on-board chargers (OBCs), DC-DC converters, battery management system (BMS) […]
Automotive-compliant precision op-amps offer wide dynamic range, low noise
Diodes Incorporated is addressing the need for advanced signal conditioning in modern automotive designs by introducing two precision operational amplifiers (op-amps) aimed at different signal frequency scenarios. The low signal-to-noise ratio characteristics of the DIODES AS2376Q mean it is optimized for high-frequency usages, such as in on-board chargers (OBCs), DC-DC converters, battery management system (BMS) […]
High-gain GaN amps handle L-band applications
Qorvo introduced the highest gain 100-watt L-band (1.2-1.4 GHz) compact solution: a GaN-on-SiC power amplifier module (PAM) targeting commercial and defense radar applications. The QPA2511 GaN-on-SiC PAM includes an integrated two-stage amplifier solution offering 60% power added efficiency in a circuit size 70% smaller than equivalent two-stage solutions. This unparalleled performance significantly reduces overall system power […]
Multifunction GaAs pHEMTs target 100-GHz apps
WIN Semiconductors Corp. has released its newest 0.1µm pHEMT technology: PP10-20. Building on the proven PP10 platform, this second-generation technology offers a substantial transistor gain, improving the ƒt/ƒmax to 160GHz and 240 GHz. These improvements maintain the reliable 4V operation necessary for backhaul power amplifiers and high linearity receivers operating from W-band through D-band. Targeting […]
Where do you use A, B, AB, D, G, DG and H circuits?
This selection of power amplifier classes is used to strengthen AC signals. The letter symbols differentiate between amplifier types and indicate the expected performance and characteristics. Basic amplifier classes such as A, B, AB, and C relate to the time that the amplifier is operating, or conducting, expressed as a fraction of the period of […]
When is a high CMRR needed in an op amp?
Common mode rejection ratio (CMRR), also called common mode rejection (CMR), quantifies the ability of an operational amplifier (op amp) to reject common-mode signals. Common-mode signals are signals that appear simultaneously and in phase on both inputs. This FAQ begins by defining what CMRR is and how it’s quantified, reviews some design considerations related to […]
What is PSRR and why is it important in op amps and LDOs?
The power supply rejection ratio (PSRR) describes the ability of a circuit to suppress any power supply variations from passing to its output signal and is typically measured in dB. It’s most often used with operational amplifiers (op amps), dc/dc converters, linear regulators, and low drop out regulators (LDOs). For op amps, the PSRR describes […]
Infineon’s latest class D audio module delivers higher output power, smaller footprint
Class D audio power amplifiers offer a combination of small size, low heat dissipation, high integration, and excellent sound quality. Unlocking the potential of its best-in-class power MOSFET technology, Infineon Technologies AG introduces the MERUS 2-channel, analog input, class D audio amplifier multichip module (MCM) MA5332MS. It is a powerful upgrade to its predecessor, offering the same […]
