Product category: Analogue and Mixed Signal ICs
News Release from: Avago Technologies | Subject: MGA-425P8
Edited by the Electronicstalk Editorial Team on 23 August 2004
Amp powers basestations up to 10GHz
A new E-pHEMT MMIC medium-power amplifier is optimised for use as a driver in wireless fixed access-points/basestations operating at up to 10GHz.
A new E-pHEMT MMIC medium-power amplifier is optimised for use as a driver in wireless fixed access-points/basestations operating at up to 10GHz Such applications include IEEE802.11a wireless local area networks in the 5 GHz UNII (unlicensed national information infrastructure) band, 802.11g and 802.11b WLANs operating in the 2.4GHz ISM (industrial, scientific and medical) band, 2.4 and 5.8GHz cordless phones and wireless local loops (WLL)
This article was originally published on Electronicstalk on 8 Nov 2004 at 8.00am (UK)
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The MGA-425P8, from Agilent's Semiconductor Products Group, meets WLAN linearity requirements while drawing one of the lowest currents in the market.
The "smart bias" feature allows the designer to use the device in several circuit positions, tailoring the gain, linearity and current consumption to suit each position.
The amplifier is supplied in the compact, industry-standard 2.0 x 2.0 x 0.75mm 8-pad JEDEC DRP-N leadless plastic chip carrier for reduced board space.
The package's lead-free backside metallisation provides excellent thermal dissipation as well as visual evidence of solder reflow.
The MGA-425P8 offers advanced performance characteristics at 5.25 GHz, 3V, 58mA operation, including: 13.3dBm power output at 5% error vector magnitude; 10.3% power-added efficiency; 20.3dBm power output at 1dB gain compression; 32.9dBm third-order output intercept point; and 16dB gain.
On-chip bias circuitry allows operation from a single 3.3V power supply.
One external resistor is used to set the bias current, and the "smart bias" function allows the linearity (OIP3) to be adjusted from 20 to 35dBm by changing a single external resistor.
The output of the amplifier provides less than 2:1 VSWR at 50ohm (4.9 to 5.8GHz).
The Agilent MGA-425P8 is available now through the company's direct sales channel and worldwide distribution partners. Request a free brochure from Avago Technologies ...
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