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AD9136/AD9135-FMC-EBZ Evaluation Board Quick Start Guide

Getting Started with the AD9136/AD9135-FMC-EBZ Evaluation Board for ADS7 and SPIPro Software

What's in the Box

• AD9136/AD9135-FMC-EBZ Evaluation Board for ADS7
• Evaluation Board CD
• Mini-USB Cable

• Sinusoidal Clock Source
• Spectrum Analyzer
• Oscilloscope
ADI ADS7 Data Pattern Generator with JESD204B Interface

Introduction

The AD9136/AD9135-FMC-EBZ connects to an ADS7 data pattern generator system. The AD9136/AD9135 is a dual JESD204B signal processing RF Digital to Analog Converter. The ADS7 automatically formats the data and sends it to the AD9136/AD9135-FMC-EBZ via its JESD204B lanes. The AD9136/AD9135-FMC-EBZ is an FMC mezzanine card. +12V, +3.3V, and VADJ power supply rails are provided by the ADS7 system via the FMC connector P1. A clock distribution chip AD9516 is included on this EVB as a clock fan-out and frequency divider for the DACCLK, JESD204B SYSREF signals, and a GBTCLK clock used by the ADS7. There is also an FMC standard I2C bus that is used by the ADS7 to identify the AD9136/AD9135-FMC-EBZ. This I2C interface is implemented in software in the AD9136/AD9135-FMC-EBZ PIC processor (XU1). All ADS7 to/from AD9136/AD9135-FMC-EBZ interface signals are connected via the FMC connector P1.

AD9136/AD9135 Evaluation Software

The AD9136/AD9135 Evaluation Board software runs on the SPIPro graphical user interface (GUI). It is included on the Evaluation Board CD. Registers on the AD9136/AD9135 and AD9516 products are programmed via a USB cable connecting the user’s PC to the AD9136/AD9135-FMC-EBZ XP2 connector. Software in the AD9136/AD9135-FMC-EBZ PIC processor (XU1) provides the interface between the USB bus and the SPI busses of the AD9136/AD9135 and AD9516.

Hardware Setup

A low phase noise high frequency clock source should be connected to the AD9136/AD9135-FMC-EBZ SMA connector J1. A spectrum analyzer should be connected to the SMA connector J17. J5 of the EVB should be connected to an oscilloscope. The evaluation board connects to the ADS7 through the connector P1. The PC should be connected to the EVB using the mini-USB connector XP2. Figure 1 shows a block diagram of the set-up.

Figure 1. Block diagram of the AD9136/AD9135-FMC-EBZ lab bench set-up Figure 2. Top and Bottom view photo of AD9136/AD9135-FMC-EBZ

Getting Started

The PC software is included in the CD shipped with the EVB. The installation includes the DPG Downloader software as well as all the necessary AD9136/AD9135 files including schematic, board layout, datasheet, and other files.

Initial Set-Up

1. Install the DPG Downloader and SPIPro software and support files on your PC. Follow the instructions in the installation wizard and use the default (recommended) installation settings.
2. Plug the AD9136/AD9135-FMC-EBZ into port FMC_1 of the ADS7 System. Use a USB cable to connect the EVB to your PC and connect the lab equipment to the EVB as shown in Figure 1.
3. Connect the ADS7 unit to your PC via USB and turn on the ADS7.

Single-Tone Demonstration

Single Tone Demo Lab Bench Configuration Procedure:

These settings configure the AD9136/AD9135 to output a 112Mhz -1dbFS sine wave on J5 from DAC1 and a 221Mhz sine wave on J17 from DAC 0 using the ADS7.

Configure the hardware according to the hardware set-up instructions given in the Hardware Setup section above. Set the frequency of the DAC clock signal generator to 2.0GHz, and the output level to +3dBm. The spectrum analyzer can be configured as shown in Figure 7 with a resolution bandwidth of 100kHz. Choose an Input Attenuation of 24dB.

Figure 3. Initial DPG Downloader Display



Single Tone Demo Hardware and Software Start Up Procedure:

1. Run DPG Downloader. It will say Evaluation Board: AD9136/AD9135 as shown in Figure 3.

2. Open SPIPro for AD9136/AD9135 by selecting AD9144, AD9136 & AD9135 SPI in All Programs/Analog Devices/AD9144. The GUI panel will say AD9136/AD9135-FMC-EBZ in the upper left hand corner.

3. Select dual link, JESD mode 8, Interpolation = 1, FDAC = 2Ghz. Press ‘Configure DAC and Clock’ button. JESD204B PLL lock will turn green.

Figure 4. Fully Configured AD9136 SPIPro Display Figure 5. Fully Configured AD9135 SPIPro Display



4. In the DPG Downloader Window configure two single tone generated waveforms:

a. Select Single Tone under the Add Generated Waveforms Tab. Set Data Rate: 2Ghz, Desired Frequency: 112Mhz, Amplitude: -1dbFS, Uncheck Unsigned Data

b. If using the AD9135,Set DAC Resolution to 11 bits

c. Select Single Tone under the Add Generated Waveforms Tab. Set Data Rate: 2Ghz, Desired Frequency: 221Mhz, Amplitude: -1dbFS, Uncheck Unsigned Data

d. If using the AD9135,Set DAC Resolution to 11 bits

5. Select JESD Mode: Mode 11 (Mode 8, Dual Link)

6. Populate the data playback selections for each DAC output as shown in Figure 6 or Figure 7.

7. Click Download () and Play (). The spectrum in Figure 8 will appear on all 4 DAC outputs (J17, J4, J5, and J14), Serial Line Rate will be 10.0Gbps.

Figure 6. Fully Configured AD9136 DPG Downloader Display Figure 7. Fully Configured AD9135 DPG Downloader Display



8. Here’s what you will see on DAC1 on the scope

Figure 8. DAC1 Output Scope Display



9. Here is what you will see at the output of DAC0 on the Spectrum Analyzer

Figure 9. DAC Output Spectrum Analyzer Display



resources/eval/dpg/ad9136-fmc-ebz.1412369501.txt.gz · Last modified: 03 Oct 2014 22:51 by Michele Viani