Adjacent Channel Power Ratio (ACPR) and Error Vector Magnitude (%EVM) Measurements
TIDA-00076
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Description

This reference design discusses the use of the TSW3085EVM with the TSW3100 pattern generator to test adjacent channel power ratio (ACPR) and error vector magnitude (EVM) measurements of LTE baseband signals. By using the TSW3100 LTE GUI, patterns are loaded into the TSW3085EVM which is comprised of the DAC3482, TRF3705, and LMK04806.

Features
  1. Hardware reference design and Demonstration platform for a complete digital to RF transmitter
  2. A Process and setup to test performance metrics for modulated signals such as Error vector Magnitude (%EVM) and Adjacent Channel Power Ratio (ACPR) are provided
  3. Results are tabulated for external clocking of the DAC and also for using the internal PLL of the DAC
  4. An easy to use evaluation platform to make standards compliant measurements

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TSW3085EVM :
TSW3085EVM

$399.00(USD)


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TI Devices (9)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
CDCV304  General Purpose and PCI-X 1:4 LVCMOS Clock Buffer  Clock buffers  Sample & Buy View Design Kits & Evaluation Modules
DAC3482  Dual-Channel, 16-Bit, 1.25-GSPS, 1x-16x Interpolating Digital-to-Analog Converter (DAC)  Digital-to-analog converters (DACs)  Sample & Buy View Design Kits & Evaluation Modules
LMK04806  Low Noise Clock Jitter Cleaner With Dual Cascaded PLLs and Integrated 2.5 GHz VCO  Clock jitter cleaners  Sample & Buy View Design Kits & Evaluation Modules
TPS2400  5.5V overvoltage protection controller with 100V input transient protection  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS62290  2.25MHz 1A Step-Down Converter in 2x2mm SON Package  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS62420  Dual, Adjustable, 600mA and 1000mA, 2.25MHz Step-Down Converter with 1-Wire Interface in QFN  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS796  Ultralow-Noise, High PSRR, Fast, RF, 1-A Low-Dropout Linear Regulators  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS7A80  Low-Noise, High-Bandwidth PSRR, 1A Low-Dropout (LDO) Linear Regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules
TRF3705  300MHz to 4GHz Quadrature Modulator  Mixers & modulators  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
CDCV304 Download Download
DAC3482 Download -
Download Download
LMK04806 Download
TPS2400 Download Download
TPS62290 Download Download
TPS62420 Download Download
TPS796 Download
Download
Download Download
TPS7A80 Download
TRF3705 Download Download

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Technical Documents

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User guides (1)
Title Type Size (KB) Date
PDF 2132 29 Dec 2011
Design files (3)
Title Type Size (KB) Date
ZIP 2276 16 May 2014
PDF 72 16 May 2014
PDF 446 16 May 2014

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