Product category: Discrete Power Devices
News Release from: Avago Technologies | Subject: ATF-50189
Edited by the Electronicstalk Editorial Team on 20 April 2004
Transistor aids basestation upgrades
Agilent Technologies has released its highest linearity E-pHEMT (enhancement-mode pseudomorphic high-electron-mobility transistor) field effect transistor.
Agilent Technologies has released its highest linearity E-pHEMT (enhancement-mode pseudomorphic high-electron-mobility transistor) field effect transistor (FET) which is available now in a 4.5 x 4.1 x 1.5mm SOT-89 surface-mount package By using an industry-standard package, Agilent's new ATF-50189 single-voltage E-pHEMT FET simplifies upgrading 450MHz to 6GHz basestations to higher channel capacity
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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The ATF-50189 is designed for use in the transmitter power amplifiers and receiver log-noise amplifiers in cellular and PCS base stations, low-earth-orbit satellite systems, terrestrial multichannel multipoint distribution systems (MMDSs) and other communications applications operating from 450MHz to 6GHz.
The 45dBm third-order output intercept point (OIP3) at 2GHz of the ATF-50189 results in a more efficient multichannel amplifier capable of handling a greater number of voice and data channels.
Its low thermal resistance of only 29C/W means that the Agilent ATF-50189 can dissipate nearly 2W at 85C ambient temperature while maintaining a chip temperature that assures high reliability.
At 2GHz, the Agilent ATF-50189's other specifications include typical 29dBm linear output power (P1dB), 15.5dB gain and 62% power-added efficiency, combined with a low 1.1dB noise figure.
Agilent remains the industry's only supplier of E-pHEMT devices that feature single-voltage operation.
With single-voltage operation, high efficiency and superior RF performance, Agilent's e-pHEMT devices are the logical choice to replace both single-voltage HBTs (heterojunction bipolar transistors), with their higher noise figures, and dual-voltage conventional PHEMT and GaAs HFET (heterostructure FET) devices.
The Agilent ATF-50189 is available through Agilent's direct sales channel and its worldwide distribution partners. Request a free brochure from Avago Technologies ...
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