SKY12242-492LFRF/IF射頻/中頻RFID的射頻開(kāi)關(guān)規(guī)格書(shū)PDF中文資料

SKY12242-492LF屬于RF/IF射頻/中頻RFID的射頻開(kāi)關(guān)。由美國(guó)思佳訊公司制造生產(chǎn)的SKY12242-492LF射頻開(kāi)關(guān)射頻開(kāi)關(guān)產(chǎn)品是用于在多個(gè)可用信號(hào)路徑之間路由 RF、IF 或微波信號(hào)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(hào)鏈之間切換天線。

Applications

? TDD 2G/3G/4G LTE systems

? High-power switch for micro-cell and macro-cell base stations

? Active antenna array

Features

? Compact, integrated high-power switch with driver circuit

? Small PCB footprint with minimal external components

? Requires only a single +5 V DC supply, and a 0 to 3 V

logic control

? Low TX/RX insertion loss: 0.3/0.7 dB @ 2.6 GHz

? High TX to RX isolation: 47.2 dB @ 2.6 GHz

? Low DC power consumption: < 100 mA in TX mode

or < 55 mA in RX mode

? Small QFN (20-pin, 5 ? 5 mm) Pb-free package

(MSL3, 260 ?C per JEDEC J-STD-020)

Description

The SKY12242-492LF is a compact, integrated high-power

single-pole, double-throw (SPDT) switch with driver circuit for

TD-LTE applications. The part operates with a single +5 V supply

and switches with a single control voltage (0 to 3 V).

This device features low TX and RX insertion loss, high isolation

with low DC power consumption and requires minimal external

components, enabling a smaller PCB footrprint.

The device is provided in a 5 ? 5 mm, 20-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. Table 1

list the part numbers of pin-compatible parts belonging to this

family of high-power SPDT switches. Signal pin assignments and

functional pin descriptions are provided in Table 2.