SKY65405-21RF/IF射頻/中頻RFID的射頻放大器規(guī)格書PDF中文資料

SKY65405-21屬于RF/IF射頻/中頻RFID的射頻放大器。由美國思佳訊公司制造生產(chǎn)的SKY65405-21射頻放大器在射頻應(yīng)用中，射頻放大器產(chǎn)品可用于信號增益和緩沖。這些產(chǎn)品與通用運算放大器的不同之處在于，它們通常適用于更高的頻率，更傾向于提供不可調(diào)節(jié)的固定增益，并且輸入或輸出阻抗值符合常用傳輸線特性阻抗。

Applications

? 802.11b/g/n PC cards, NICs, and USB dongles

? 802.11b/g/n tablets

? 802.11b/g/n access points, routers, and gateways

? 2.4 GHz ISM radios

Features

? Ultra-low noise figure: 1.1 dB

? 2.4 to 2.5 GHz operation

? Enable/disable mode

? High IIP3: +9 dBm

? High gain: 15 dB

? 2.8 to 5.0 V single-supply operation

? DFN (6-pin, 1.5 x 1.5 mm) package

(MSL1, 260 ?C per JEDEC J-STD-020)

Description

The SKY65405-21 is an ultra-low-noise amplifier (LNA) intended

for 2.4 GHz wireless receiver applications. Its industry-leading

noise figure (NF), together with high linearity, makes it ideal as a

first-stage LNA in 802.11b/g wireless local area network (WLAN)

radios.

Operating with a single supply voltage, the SKY65405-21

consumes only 12 mA of current. The device includes a shutdown

mode to save power when the receiver is inactive.

The tiny package footprint of the SKY65405-21, requiring only

four external components, enables the industry’s smallest PCB

area needed to implement a 2.4 GHz LNA.

A block diagram of the SKY65405-21 is shown in Figure 1. The

device package and pinout for the 6-pin Dual Flat No-Lead (DFN)

are shown in Figure 2. Signal pin assignments and functional pin

descriptions are described in Table 1.