Texas Instruments TSW12QJ1600 Manuale utente

TSW12QJ1600 Evaluation Module

User's Guide

Literature Number: SLAU796

July 2020

2SLAU796–July 2020

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Contents

Preface ........................................................................................................................................ 4

1 Introduction......................................................................................................................... 5

2 Equipment........................................................................................................................... 7

2.1 Evaluation Board Feature Identification Summary ...................................................................... 7

2.2 Required Equipment......................................................................................................... 8

3 Setup Procedure.................................................................................................................. 9

3.1 Install the High Speed Data Converter (HSDC) Pro Software......................................................... 9

3.2 Install the Configuration GUI Software.................................................................................... 9

3.3 Connect the EVM and TSW14J58EVM ................................................................................. 10

3.4 Connect the Power Supplies to the Boards (Power Off).............................................................. 10

3.5 Connect the Signal Generators to the EVM (RF Outputs Disabled Until Directed) ............................... 10

3.6 Turn On the TSW14J58EVM Power and Connect to the PC ........................................................ 10

3.7 Turn On the TSW12QJ1600EVM Power Supplies and Connect to the PC ........................................ 10

3.8 Turn On the Signal Generator RF Outputs ............................................................................. 10

3.9 Open the TSW12QJ1600EVM GUI and Program the ADC and Clocks ............................................ 11

3.10 Calibrate the ADC Device on the EVM.................................................................................. 12

3.11 Open the HSDCpro Software and Load the FPGA Image to the TSW14J58EVM................................ 13

3.12 Capture Data Using the HSDC Pro Software .......................................................................... 13

4 Device Configuration .......................................................................................................... 15

4.1 Supported JESD204C Device Features................................................................................. 15

4.2 Tab Organization........................................................................................................... 15

4.3 Low-Level Control.......................................................................................................... 16

5 Troubleshooting the TSW12QJ1600EVM ............................................................................... 17

A References ........................................................................................................................ 18

A.1 Technical Reference Documents......................................................................................... 18

A.2 TSW14J58EVM Operation................................................................................................ 18

B HSDC Pro Settings for Optional ADC Device Configuration..................................................... 19

B.1 Changing the Number of Frames per Multi-Frame (K)................................................................ 19

B.2 Customizing the EVM for Optional Clocking Support ................................................................. 19

B.2.1 Onboard 50M Ref to ADC PLL (Default)....................................................................... 19

B.2.2 "Ext Ref to ADC PLL" ............................................................................................ 20

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List of Figures

1-1. EVM Orientation ............................................................................................................. 5

2-1. EVM Feature Locations..................................................................................................... 7

3-1. EVM Test Setup.............................................................................................................. 9

3-2. Configuration GUI EVM Tab.............................................................................................. 11

3-3. Configuration GUI ADC Control .......................................................................................... 12

3-4. High Speed Data Converter Pro (HSDC) GUI.......................................................................... 14

4-1. Low-Level Register Control Tab ......................................................................................... 16

B-1. Onboard 50M Ref to ADC PLL System Block Diagram............................................................... 20

B-2. Ext Ref to ADC PLL System Block Diagram ........................................................................... 20

List of Tables

4-1. Supported and Non-Supported Features of the JESD204C Device................................................. 15

4-2. Low-Level Controls......................................................................................................... 16

5-1. Troubleshooting ............................................................................................................ 17

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Preface

SLAU796–July 2020

This user’s guide describes the characteristics, operation, and use of the TSW12QJ1600 evaluation

module (EVM). This user's guide discusses how to set up and configure the software and hardware, and

reviews various aspects of the program operation. Throughout this document, the terms evaluation board,

evaluation module, and EVM are synonymous with the TSW12QJ1600EVM. In the following sections of

this document, the TSW12QJ1600 evaluation board is referred to as the EVM and the TSW12QJ1600

device is referred to as the ADC device. This document also includes an electrical schematic, printed

circuit board (PCB) layout drawings, and a parts list for the EVM.

Trademarks

K&L Microwave is a trademark of K&L Microwave.

Microsoft, Windows are registered trademarks of Microsoft Corporation.

Rohde & Schwarz is a registered trademark of Rohde & Schwarz GmbH & Co.

Trilithic is a trademark of Trilithic, Inc.

All other trademarks are the property of their respective owners.

SLAU796–July 2020

Introduction

Chapter 1

SLAU796–July 2020

Introduction

The TSW12QJ1600EVM is an evaluation board used to evaluate ADC12QJ1600 analog-to-digital

converters (ADC) from Texas Instruments with different front end options. The ADC12QJ1600 is a quad

channel, 12-bit ADC, capable of operating at sampling rates up to 1.6 Giga- samples per second (GSPS)

with four analog input channels. This design has two ADC12QJ1600 devices on the same PCB, this

design can be used to demonstrate multiple ADC synchronization, deterministic latency and test the

performance of the ADC with various front end options (AC coupled transformer, DC coupled option with

LMH32401) The design also demonstrate how clocking scheme can be simplified by daisy-chaining PLL

refout from one ADC to other ADC. Eliminating the need to clock distribution chip usually needed by JESD

devices. The TSW12QJ1600EVM output data is transmitted over a standard JESD204C high-speed serial

interface. This evaluation board also includes the following important features

• Transformer-coupled signal input network allowing a single-ended signal source from 10 MHz to

4 GHz. Option to bypass the transformer and use DC coupled differential inputs

• LM95233 temperature sensor

• High-speed serial data output over a High Pin Count FMC interface connector

NOTE: To improve signal routing quality, serial lanes are mapped differently with respect to the

standard FMC VITA-57 signal mapping.

• Device register programming through USB connector and FTDI USB-to-SPI bus translator with an

option to program through the FMC+ connector

Figure 1-1. EVM Orientation

The digital data from the TSW12QJ1600EVM board is quickly and easily captured with the

TSW14J58EVM data capture boards.

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Introduction

NOTE: The TSW14J58EVM can only be used be used for JMODES 8 at a maximum sampling rate

of 1GSPS.

The TSW14J58EVM captures the high-speed serial data, decodes the data, stores the data in memory,

and then uploads it to a connected PC through a USB interface for analysis. The High-Speed Data

Converter Pro (HSDC Pro) software on the PC communicates with the hardware and processes the data.

SLAU796–July 2020

Equipment

Chapter 2

SLAU796–July 2020

Equipment

This section describes how to setup the EVM on the bench with the proper equipment to evaluate the full

performance of the ADC device.

2.1 Evaluation Board Feature Identification Summary

Figure 2-1. EVM Feature Locations

Required Equipment

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Equipment

2.2 Required Equipment

The following equipment and documents are included in the EVM evaluation kit:

• Evaluation board (EVM)

• Mini-USB cable

• Power cable

The following equipment is not included in the EVM evaluation kit, but is required for evaluation of this

product:

• TSW14J58EVM data capture board and related items

• PC computer running Microsoft®Windows®7, or 10

• One low-noise signal generator for providing a reference signal for the ADC PLL. ONLY need with

external reference clocking option is desired. TI recommends the following generators:

– Rohde & Schwarz®SMA100B

– Rohde & Schwarz®SMA100A

• One low-noise signal generator for analog input. TI recommends the following generators:

– Rohde & Schwarz®SMA100B

– Rohde & Schwarz®SMA100A

• Bandpass filter for analog input signal (97 MHz or desired frequency). The following filters are

recommended:

– Bandpass filter, greater than or equal to 60-dB harmonic attenuation, less than or equal to 5%

bandwidth, greater than 18-dBm power, less than 5-dB insertion loss

– Trilithic™ 5VH-series tunable BPF

– K&L Microwave™ BT-series tunable BPF

– TTE KC6 or KC7-series fixed BPF

• Signal-path cables, SMA to SMP or BNC (or both SMA and BNC)

By default, the TSW12QJ1600EVM is configured to use a 50-MHz onboard crystal oscillator to provide

reference input to the ADC PLL which is used to generate the sampling clock to the ADC (In the GUI this

option is labeled as " OnBoard 50M Ref to ADC PLL"). A few small board modifications allow the direct

external sampling clock option (In the GUI this option is labeled as "Ext Ref to ADC PLL").

SLAU796–July 2020

Setup Procedure

Chapter 3

SLAU796–July 2020

Setup Procedure

Figure 3-1. EVM Test Setup

NOTE: The HSDC Pro software must be installed before connecting the TSW14J58EVM to the PC

for the first time.

3.1 Install the High Speed Data Converter (HSDC) Pro Software

1. Download the most recent version of the HSDC Pro software from www.ti.com/tool/dataconverterpro-

sw. Follow the installation instructions to install the software.

2. Download and copy all the INI files required to the HSDCpro directory from the TSW12QJ1600EVM

web page on ti.com. The INI files should be copied to following location C:\Program Files (x86)\Texas

Instruments\High Speed Data Converter Pro\14J58 Details\ADC files

3.2 Install the Configuration GUI Software

1. Download the Configuration GUI software from the TI.com software page .

2. Extract files from the .zip file.

3. Run the executable file (setup.exe), and follow the instructions.

Connect the EVM and TSW14J58EVM

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Setup Procedure

3.3 Connect the EVM and TSW14J58EVM

With the power off, connect the TSW12QJ1600EVM (with the daughter card already mounted on base

board) to the TSW14J58EVM through the FMC+ connector as shown in Figure 3-1. Ensure that the

standoffs provide the proper height for robust connector connections.

3.4 Connect the Power Supplies to the Boards (Power Off)

1. Confirm that the power switch on the TSW14J58EVM is in the off position. Connect the power cable to

a 6-V DC (minimum 4 A) power supply. Ensure the proper supply polarity by confirming that the outer

surface of the barrel connector is GND and the inner portion of the connector is 6 V. Connect the

power cable to the EVM power connector.

2. Confirm that the power switch for the power supply of the TSW12QJ1600EVM is in the off position.

Connect the power cable to a 5-V DC (minimum 2.5 A) power supply. Ensure the proper supply

polarity by confirming that the outer surface of the barrel connector is GND and the inner portion of the

connector is 5 V. Connect the power cable to the EVM power connector.

CAUTION

Ensure the power connections to the EVMs are the correct polarity.

Failure to do so may result in immediate damage.

Leave the power switches in the off position until directed later.

3.5 Connect the Signal Generators to the EVM (RF Outputs Disabled Until Directed)

Connect a signal generator to any of the input labeled J2–J9 on the daughter card connected to the

TSW12QJ1600EVM through a bandpass filter and at the SMP connector. This must be a low-noise signal

generator. TI recommends a Trilithic-tunable bandpass filter to filter the signal from the generator.

Configure the signal generator for 97 MHz, 0 dBm.

When onboard 50-MHz crystal oscillator is used as a reference for the ADC PLL (Default):

a. By default, the EVM is set to use the onboard 50-MHz crystal oscillator to supply the 50-MHz reference

to the ADC PLL.

b. Skip this step for default ("OnBoard 50M Ref to ADC PLL ") EVM setup. This step should only be

followed when "Ext Ref to ADC PLL mode is desired. The reference clock signal for the ADC PLL of

desired frequency (50 MHz to 500 MHz) is applied at the SMP connector EXT CLK (J2). Set the output

power to approximately 6–9 dBm.

NOTE: Do not turn on the RF output of any signal generator at this time.

3.6 Turn On the TSW14J58EVM Power and Connect to the PC

1. Turn on the power switch of the TSW14J58EVM.

2. Connect a mini-USB cable and USB 3 cable from the PC to the TSW14J58EVM.

3. If this is the first time connecting the TSW14J58EVM to the PC, follow the on-screen instructions to

automatically install the device drivers. TSW14J58EVM user's guide for specific instructions.

3.7 Turn On the TSW12QJ1600EVM Power Supplies and Connect to the PC

1. Turn on the 5-V power supply to power up the EVM.

2. Connect the EVM to the PC with the mini-USB cable.

3.8 Turn On the Signal Generator RF Outputs

Turn on the RF signal output of the signal generator connected to INAP. If Ext Ref to ADC PLL clocking

option is used, turn on the RF signal outputs connected to EXT CLK

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