Freescale GaAs MMICs target base station equipment

Written by Janine Love May 11, 2010 Hits: 1265 Favorites

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I just heard from Freescale that they have launched some low-noise amplifiers and power amplifiers (PAs) for wireless macrocells, repeaters, and femtocells. These new devices are the company's first GaAs monolithic microwave integrated circuit (MMICs) and they were optimized for low power consumption.

Freescale MMICs for basestations

The MML09211H is an enhancement-mode pHEMT MMIC low-noise amplifier suited for applications ranging from W-CDMA base stations in the 865-960 MHz band to the high-data-rate networks currently being implemented in the 728 - 768 MHz band. Key specs for this device: noise figure of 0.6 dB including circuit losses, spans 400 to 1400 MHz, 20-dB small-signal gain at 900 MHz, +21dBm output power at 1-dB compression (P1dB), -35-dB isolation, and third order output intercept point (IP3) is 32 dBm at 900 MHz.

The MMA20312B is a two-stage InGaP HBT PA designed for use in wireless base stations as well as repeaters and femtocells. The amplifier covers 1800 to 2200 MHz, delivers P1dB of +31 dBm at 2140 MHz and small-signal gain of 26 dB.

The two other amplifiers are equally suited for use as driver amplifiers in the transmit chain or as second-stage low-noise amplifiers in the receive chain. The MMG15241H is a pHEMT device that covers 500 to 2800 MHz, with a noise figure of 1.6 dB at 2140 MHz, P1dB of +24 dBm, IP3 of 39 dBm, and small-signal gain of 15 dB. The MMG20271H low-noise amplifier covers 1500 to 2400 MHz, with a noise figure of 1.8 dB at 2140 MHz, P1dB of +27 dBm, IP3 of 42 dBm, and small-signal gain of 15 dB.
Freescale plans limited sampling by June 2010 and general sampling by August 2010. For more info, head here or here.

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Written by :

Janine Love