SKY12215-478LF屬于RF/IF射頻/中頻RFID的射頻開關(guān)。由美國思佳訊公司制造生產(chǎn)的SKY12215-478LF射頻開關(guān)射頻開關(guān)產(chǎn)品是用于在多個可用信號路徑之間路由 RF、IF 或微波信號的器件。示例應(yīng)用包括多天線（分集）接收器中的天線選擇、多模式系統(tǒng)中發(fā)射-接收路徑的選擇，或在發(fā)射和接收信號鏈之間切換天線。

Applications

? Transmit/receive switching and failsafe switching in

TD-SCDMA, WiMAX, and LTE base stations

? Transmit/receive switching in land mobile radios and military

communication systems

特性 Features

? High-power handling: 125 W CW

? Low insertion loss: 0.4 dB typical

? High antenna to receive isolation: 43 dB @ 2.6 GHz typical

? Controlled with positive power supply

? Bias driver circuit available on request

? Small, QFN (16-pin, 4 x 4 mm) Pb-free package (MSL1, 260 ?C

per JEDEC J-STD-020)

描述 Description

The SKY12215-478LF is a high-power handling, single-pole,

double-throw (SPDT) silicon PIN diode switch. The device

operates over the 900 MHz to 4 GHz band. It features low

insertion loss, excellent power handling, and superb linearity with

low DC power consumption.

The SKY12215-478LF is well-suited for use as a high power

transmit/receive switch in a variety of telecommunication systems

such as WiMAX, TD-SCDMA, or LTE base stations.

The device is provided in a 4 x 4 mm, 16-pin Quad Flat No-Lead

(QFN) package. A functional block diagram is shown in Figure 1.

The pin configuration and package are shown in Figure 2. Signal

pin assignments and functional pin descriptions are provided in

Table 1.