SE2568U数据手册RF/IF射频/中频RFID的射频放大器规格书PDF

描述 Description

Please note: SE2568U is being discontinued and is not recommended for new designs. Please note: this product is being discontinued and is not recommended for new designs.

The SE2568U is a complete 802.11 b/g WLANdiscrete power amplifier. The device provides all thefunctionality of the power amplifier, power detector,filter, associated input, inter-stage and outputmatching in an ultra compact 2mm x 2mm x 0.5mmform factor.

The SE2568U is designed for ease of use, with all thecritical input and output matching integrated. TheSE2568U includes a transmitter power detector with20 dB of dynamic range and a digital Enable forpower on/off control. Harmonic filters and an input3.2GHz LO rejection filter are integrated on-chip. Thepower ramp rise/fall time is 0.7 µs typical.

特性 Features

• Dual Mode IEEE802.11b & IEEE802.11g
• Integrated PA, digital bias control, 50! input and output match, 3.2GHz TX Filter.
• Integrated harmonic filter.
• Integrated load insensitive Power Detector, with <1dB error at 2:1 mismatch
• 20 dBm, 802.11b, 11 Mbps, ACPR <-30 dBc, 3.3V
• 18dBm 802.11g, @ 3.0 % EVM, 54 Mbps, 3.3V
• 20.5dBm, 802.11g @ 3.0 % EVM, 54Mbps, 5.0V
• Lead free, Halogen free, ROHS compliant, 2 x2x0.5 mm QFN package, MSL 1

简介

SE2568U属于RF/IF射频/中频RFID的射频放大器。由制造生产的SE2568U射频放大器在射频应用中，射频放大器产品可用于信号增益和缓冲。这些产品与通用运算放大器的不同之处在于，它们通常适用于更高的频率，更倾向于提供不可调节的固定增益，并且输入或输出阻抗值符合常用传输线特性阻抗。