SC1894

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

Third Generation Fully Adaptive RF PA Linearization Technology in a Single IC


Please check latest availability status for a specific part variant.

Description

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.


SC2200 and SC1894 RF Power Amplifier Linearizers
 
RF Power Amplifier Linearization Technology
 
SC1894: Application Block Diagram SC1894: Application Block Diagram Enlarge+

Key Features

  • 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

Applications/Uses

  • Broadcast Infrastructure (SC1894A-00C13)
  • Cellular Infrastructure (SC1894A-00C13)
  • Microwave Backhaul (SC1894A-00M13)
  • Wide Range of PAs and Output Power
Part NumberFrequency Range
(MHz)
Input Signal Bandwidth
(MHz)
Input Signal Bandwidth
(MHz)
PA ArchitecturePathsFootprint
(mm x mm)
Package/PinsOper. Temp.
(°C)
minmax
SC1894 225 to 38001.275
Class AB
Closed Loop
Doherty
19.0 x 9.0
SAWN QFN/64
-40 to +100
See All RF Predistortion ICs (4)
Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific and version-specific prices and delivery, please see the price and availability page or contact an authorized distributor.


SC-USB-SPI: USB-to-SPI Interface Adapter
Device   Fab Process   Technology   Sample size   Rejects   FIT at 25°C   FIT at 55°C  

Note : The failure rates are summarized by technology and mapped to the associated material part numbers. The failure rates are highly dependent on the number of units tested.

Quality Management System >
Environmental Management System >

 
Status:
Package:
Temperature:

Related Resources


SC-USB-SPI-PICO
USB-to-SPI Interface Adapter for SC1905 and SC1894

  • USB interface connection to the serial parallel interface to the SC1894 and the SC1905
  • Windows 10, Windows 7
  • USB 3.0 and USB 2.0

SC1905
698MHz to 3800MHz RF Power Amplifier Linearizer (RFPAL)

  • RFin/RFout PA Linearizer SoC in Standard CMOS
  • External Reference Clock Support:
  • Low Power Consumption: 1280mW

MAX41461
300MHz–960MHz ASK Transmitter with I2C Interface

  • Low Implementation Cost
  • Increased Range, Data Rates, and Security
  • Extend Battery Life with Low Supply Current

MAX41462
300MHz–960MHz ASK Transmitter with I2C Interface

  • Low Implementation Cost
  • Increased Range, Data Rates, and Security
  • Extend Battery Life with Low Supply Current

MAX3523
Low-Power DOCSIS 3.1 Programmable-Gain Amplifier

  • Delivers +68dBmV Output Power While Meeting DOCSIS 3.1 Requirements
  • Covers 5MHz–204MHz Output Bandwidth
  • 3.5W Power Consumption with 5V Supply Voltage

  • MAX41460
    300MHz–960MHz ASK and (G)FSK Transmitter with SPI Interface

    • Low Implementation Cost
    • Increased Range, Data Rates, and Security
    • Extend Battery Life with Low Supply Current

    MAX5855EXE
    16-Bit, 4.9Gsps Wideband Interpolating and Modulating RF DAC with JESD204B Interface

    • Simplifies RF Design and Enables New Communication Architectures
      Direct RF Synthesis of 1GHz Bandwidth
    • Flexible and Configurable
    • Divided Reference Clock Output
    • SPI Interface for Device Configuration

    MAX5855
    16-Bit, 4.9Gsps Wideband Interpolating and Modulating RF DAC with JESD204B Interface

    • Simplifies RF Design and Enables New Communication Architectures
    • Direct RF Synthesis of 1GHz Bandwidth
    • Flexible and Configurable

    MAX5855EXE+T
    16-Bit, 4.9Gsps Wideband Interpolating and Modulating RF DAC with JESD204B Interface

    • Simplifies RF Design and Enables New Communication Architectures
      Direct RF Synthesis of 1GHz Bandwidth
    • Flexible and Configurable
    • Divided Reference Clock Output
    • SPI Interface for Device Configuration

    Type ID Title
    Evaluation Board8464SC-USB-SPI USB-to-SPI Interface Adapter