SC1894 - 225MHz to 3800MHz RF Power Amplifier Linearizer (RFPAL)

SC1894是Maxim美信半导体公司的一款无线与RF产品，SC1894是225MHz to 3800MHz RF Power Amplifier Linearizer (RFPAL)，本站介绍了SC1894的封装应用图解、特点和优点、功能等，并给出了与SC1894相关的Maxim元器件型号供参考。

SC1894 - 225MHz to 3800MHz RF Power Amplifier Linearizer (RFPAL) - 无线与RF - Third Generation Fully Adaptive RF PA Linearization Technology in a Single IC - 美信半导体

产品概述

The SC1894 is the 3rd generation of RF PA linearizers (RFPAL) providing improved correction and functionality over the previous generations. The SC1894 is a fully adaptive, RFin/RFout predistortion linearization solution optimized for a wide range of amplifiers, power levels, and communication protocols. The SC1894 uses the PA output and input signals to adaptively generate an optimized correction function in order to minimize the PA’s self-generated distortion and impairments. Using RF-domain analog signal processing enables the SC1894 to operate over wide-signal bandwidths and consume very low power.

The SC1894 goes beyond linearization and provides accurate RF power measurement of RFIN and RFFB. Design support features including spectral monitoring and ACLR alarm are also available. These optional design support are accessed through the SC1894’s serial peripheral interface (SPI) bus.

Evaluation kits are available for evaluating the performance of the SC1894. See the SC1894 data sheet for the frequency variants. See the ordering tab for EV Kit options. NOTE: The SC1894EVKit requires the use of the SC-USB-SPI board to connect the SC1894EVKit into a computer.

Note: All SCxx parts are RoHS. An appended “E” at the end of the part number indicates 7” Tape and Reel. No appended letter or a “K” at the end of the part number indicates bulk.

关键特性

以下关键特性由Maxim美信半导体提供：

RFin/RFout PA Linearizer SoC in Standard CMOS

Fully Adaptive Correction

Up to 28dB ACLR and 38dB IMD Improvement

External Reference Clock Support:

10, 13, 15.36, 19.2, 20, 26, and 30.72MHz

Low Power Consumption:

Duty-cycled (9%) Feedback: 600mW

Full adaptation: 1200mW

Frequency Range: 225MHz to 3800MHz

Input Signal Bandwidth: 1.2MHz to 75MHz

Packaged in 9mm x 9mm QFN Package

Operating Case Temperature: -40°C to +100°C

Fully RoHS Compliant, Green Materials

Dual-RF Power Measurement

热门应用

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