深圳浩時健電子長期供應Hittite的放大器、衰減器、鑒相器、分頻器、倍頻器、混頻器、調制器、模擬移相器、功率檢測器、射頻開關、壓控振蕩器VCO、PLOs和微波模塊在通信及工業應用領域的突出表現，為客戶在研發設計中提供更多的機會。每年，Hittite都不斷的突破新技術壁壘，應用新技術開發生產大量的MMIC產品和測試儀器設備。

The HMC349MS8G(E) is a high isolation non-reflective DC to 4 GHz GaAs MESFET SPDT switch in low cost 8 lead MSOP8G surface mount package with exposed ground paddles. The switch is ideal for cellular/PCS/3G basestation applications yielding 50 to 60 dB isolation, low 0.8 dB insertion loss and +52 dBm input IP3. Power handling is excellent up through the 3.5 GHz WLL band with the switch offering a P1dB compression point of +31 dBm. On-chip circuitry allows a single positive voltage control of 0/+5 Volts at very low DC currents. An enable input (EN) set to logic high will put the switch in an “all off” state.

Features ? High Isolation: 70 dB @ 1 GHz     57 dB @ 2 GHz ? Single Positive Control: 0/+5V ? +52 dBm Input IP3 ? Non-Reflective Design ? All Off State ? Ultra Small MS8G SMT Package: 14.8 mm2 ? Included in the    HMC-DK005 Designer’s Kit

Typical Applications ? Basestation Infrastructure ? MMDS & 3.5 GHz WLL ? CATV/CMTS ? Test Instrumentation

Functional Diagram

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