Clocking Reference Design for RF Sampling ADCs in Signal Analyzers and Wireless Testers

(ACTIVE) TIDA-01016

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Key Document

Description

TIDA-01016 is a clocking solution for high dynamic range high speed ADC. RF input signals are directly captured using the RF sampling approach by high speed ADC. The ADC32RF45 is a dual- channel, 14-bit, 3-GSPS RF sampling ADC. The 3-dB input bandwidth is 3.2 GHz, and it captures signals up to 4 GHz. This design showcases the clocking solution using the LMX2582, to achieve the best SNR performance of ADC32RF45 at higher input frequencies used in microwave backhaul applications.

Features
  • 3 GHz low-phase noise clocking solution for RF sampling ADC with >51 dB SNR @ 3.65 GHz input
  • 4GHz high frequency input signal capture capability
  • Large signal bandwidth, high dynamic range RF sampling receiver solution

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Bill of Materials (BOM)

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TI Devices (9)

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Part Number Name Product Family Sample & Buy Design Kits & Evaluation Modules
ADC32RF45  Dual-Channel, 14-Bit, 3-GSPS RF-Sampling Analog-to-Digital Converter (ADC)  Analog-to-digital converters (ADCs)  Sample & Buy View Design Kits & Evaluation Modules
LMK04828  Ultra Low Jitter Synthesizer and Jitter Cleaner  Clock jitter cleaners  Sample & Buy View Design Kits & Evaluation Modules
LMX2582  High Performance, Wideband PLLatinum RF Synthesizer   Clock & timing  Sample & Buy View Design Kits & Evaluation Modules
TPS2400  Overvoltage/Undervoltage Protection IC in SOT-23-5  Power switches  Sample & Buy View Design Kits & Evaluation Modules
TPS62085  3-A Step-Down Converter with DCS-Control and Hiccup Short Circuit Protection in 2x2 HotRod Package  Step-down (buck)  Sample & Buy View Design Kits & Evaluation Modules
TPS74201  Single-output 1.5A LDO regulator, adjustable (0.8V to 3.3V), any or no cap, programmable soft start  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS7A47  36-V, 1-A, 4.17-μVRMS, RF low-dropout (LDO) voltage regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules
TPS7A7200  2A, Single Output, Very Low Input, Configurable Fixed (0.9 to 5.0V) Low-Dropout Linear Regulator  Power management  Sample & Buy View Design Kits & Evaluation Modules
TXB0104  4-Bit Bidirectional Voltage-Level Shifter with Auto Direction Sensing and +/-15 kV ESD Protect  Voltage level translation  Sample & Buy View Design Kits & Evaluation Modules

CAD/CAE symbols

Part # Package | Pins CAD File (.bxl) STEP Model (.stp)
LMK04828 Download Download
LMX2582 Download
TPS2400 Download Download
TPS62085 Download Download
TPS74201 Download Download
Download Download
Download Download
TPS7A47 Download Download
TPS7A7200 Download
Download Download
TXB0104 (GXU) | 12 Download -
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Technical Documents

View the Important Notice for TI Designs covering authorized use, intellectual property matters and disclaimers.

User guides (3)
Title Abstract Type Size (KB) Date Views TI Recommends
PDF 4109 03 Aug 2017 0
PDF 671 05 Dec 2016 0
PDF 6664 11 Jan 2016 0
Design files (5)
Title Abstract Type Size (KB) Date Views TI Recommends
ZIP 685 30 Sep 2016 0
ZIP 1568 30 Sep 2016 0
PDF 1991 30 Sep 2016 0
PDF 66 30 Sep 2016 0
PDF 141 30 Sep 2016 0
Related Tools & Software

Reference Designs  ( 7 )

Design Kits & Evaluation Modules  ( 2 )

Name Part Number Tool Type
ADC32RF45 Dual-Channel, 14-Bit, 3GSPS, RF-Sampling ADC Evaluation Module  ADC32RF45EVM  Evaluation Modules & Boards 
Data capture/pattern generator: data converter EVM with 8 JESD204B lanes from 0.6-12.5Gbps  TSW14J56EVM  Evaluation Modules & Boards 

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