SAN JOSE, CALIF. - Atmel Wireless & Microcontrollers' front-end chip takes aim at family radio (walkie-talkies) and remote-control applications in the 400-MHz to 500-MHz frequency range. Manufactured in silicon germanium technology, the T0980 consists of a low-noise amplifier and a power amplifier.
The LNA offers a gain of 19 dB (typical), a 1.7-dB noise figure and reverse isolation of -20 dB minimum.
The power amp provides efficiency of 50 percent or better at 450 MHz for a 100 percent duty cycle. Output power can be controlled by an external voltage and has a typical maximum value of 33 dB. Current consumption is 10 microamps in shutdown mode. Housed in a PSSO16 package with a down-set paddle, the T0980 starts at $1.80 in lots of 10,000.
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EETInfo No. 608