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Integrated Switch and LNA Modules Suit TD-SCDMA and TD-LTE Base Stations

Fri, 06/03/2011 - 6:31am
switch and LNAAvago Technologies announced a series of high-power switch low-noise amplifier (LNA) modules for use in front-end receiver designs of TD-SCDMA and TD-LTE base transceiver station (BTS) applications. The new ALM-12x24 modules integrate a high-power 50-W single pole, double throw (SPDT) switch, a first-stage LNA and a second-stage high-linearity amplifier in an 8-mm-by-8-mm package. Constructed with an Avago PIN diode, the SPDT switch prevents the LNA from damage by high-power signals potentially leaking over from the transmit chain in conditions where the antenna is mismatched. The LNA and high-linearity amplifier uses the company’s 0.25 µm GaAs Enhancement-mode pHEMT process to achieve desirable RF performance. The ALM-12124 module covers 1880 MHz to 2025 MHz with 0.80 dB NF and 36.4 dBm OIP3 typical performance at 1900 MHz in receiver mode, while the ALM-12224 module covers 2300 MHz to 2400 MHz with 0.99 dB NF and 38.5 dBm OIP3 typical performance at 2400 MHz in receiver mode.


Avago Technologies
800-235-0312, www.avagotech.com 
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