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Switch isolates Bluetooth from WLAN

Posted: 04 Oct 2005 ?? ?Print Version ?Bookmark and Share

Keywords:nec? upg2150t5l? sp3t? single pole triple throw switch? switch?

Operates at 0.5GHz to 2.5GHz

With 35dB isolation at one of its ports, NEC's new UPG2150T5L SP3T (Single Pole Triple Throw) switch offers a unique solution for isolating Bluetooth from 802.11b/g. This GaAs MMIC switch operates at 0.5GHz to 2.5GHz and is housed in a low-profile 12 pin TSQFN package. Measuring 2mm?-by-0.37mm high, it offers a 55 percent smaller footprint and a 58 percent reduction in height over industry-standard 3-by-3-by-0.9mm QFN packages. This makes it well suited for size-constrained designs such as thin PCM cards and modules.

Typical insertion loss is 0.5dB at 2.5GHz. Input-to-output isolation is typically 18dB at 2.5GHz (Antenna to RF1, RF2), and 35dB at 2.5GHz (Antenna to RF3). Output power at 1dB compression is typically 31dBm at 2.85Vdc (Antenna to RF1, RF2) and 25 dBm at 2.85Vdc (Antenna to RF3).

The UPG2150T5L is priced at 55 cents each in 100,000-piece quantities. It is sampling now. Evaluation boards are available.

- Janine Love

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