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4.2 Real Decimation Mode

The following software configuration steps will program the ADC364xEVM in Real Decimation mode.

4.2.1 ADC35XX GUI: Real Decimation Mode Configuration

After launching the ADC35xx GUI perform the following steps:

• Under Resolution, select 16 bit.
• Under DDC, Select Real.
• For Decimation Factor, select 16.
• For Fs(MHz), select 60M.
• Click Configure CDC
• Click Configure

Figure 4-6. ADC35xx GUI settings for Real Decimation Mode

Device Configuration

12

ADC364xEVM Evaluation Module

SBAU232 – OCTOBER 2020

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Copyright © 2020 Texas Instruments Incorporated

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Содержание ADC364 EVM Series

Страница 1: ...Introduction 2 2 Equipment 3 2 1 Evaluation Board Feature Identification Summary 3 2 2 Required Equipment 4 3 Setup Procedure 5 3 1 Install High Speed Data Converter HSDC Pro Software 5 3 2 Install AD...

Страница 2: ...s after complex decimation Hence the ADC3643 can be operated in oversampling decimating mode using the internal decimation filter in order to improve the dynamic range and relax external anti aliasing...

Страница 3: ...ctions are provided toward the end of this document 2 1 Evaluation Board Feature Identification Summary Figure 2 1 ADC364xEVM Feature Identification Ensure that jumper J8 is shunted in the 2 3 positio...

Страница 4: ...e board and related items HSDC Pro software PC running Microsoft Windows 7 or 10 One low noise signal generators for the analog input If using external clock option additional signal generator is requ...

Страница 5: ...INI files required to the HSDC pro directory 3 2 Install ADC35XXEVM GUI 1 0 Software Download the ADC35XXEVM GUI 1 0 software from the EVM tool folder at ADC3643EVM Extract and run the executable fil...

Страница 6: ...J10 of the TSW1400EVM can be used to source this 3 3 VDC 2 Connect the power cable to the TSW1400EVM at 5 V minimum 3 A power supply Place the power switch SW7 to the On position 3 Connect the mini U...

Страница 7: ...switch S1 A software reset may be performed at any time to reset the ADC registers to their default state Figure 4 1 ADC35xx Software Reset Replace this image www ti com Device Configuration SBAU232...

Страница 8: ...e on board clocking device limits the ADC3642EVM to 25 MHz and 10 MHz clock frequencies and the ADC3644EVM is limited to 125 MHz and 65 MHz If different sampling frequencies are required please connec...

Страница 9: ...to setup HSDC pro Launch HSDC Pro Select the TSW1400 and click OK Figure 4 3 HSDC Pro Connect to TSW1400 Click OK for the no firmware loaded prompt www ti com Device Configuration SBAU232 OCTOBER 2020...

Страница 10: ...within the box that says ADC Output Data Rate Enter the input frequency of the input signal in the box that says ADC Input Target Frequency 5 MHz used in this example Device Configuration www ti com...

Страница 11: ...e Capture The analog input signal power may need to be adjusted to reach 1 dBFS www ti com Device Configuration SBAU232 OCTOBER 2020 Submit Document Feedback ADC364xEVM Evaluation Module 11 Copyright...

Страница 12: ...DC35xx GUI perform the following steps Under Resolution select 16 bit Under DDC Select Real For Decimation Factor select 16 For Fs MHz select 60M Click Configure CDC Click Configure Figure 4 6 ADC35xx...

Страница 13: ...Pro Select the TSW1400 and click OK Click OK for the no firmware loaded prompt Select ADC3643_2W_14bit_CMOS to load firmware and click Yes Figure 4 7 Real Decimation HSDC Pro INI File www ti com Devi...

Страница 14: ...C Output Data Rate Figure 4 8 Real Decimation Mode HSDC Pro Parameters Device Configuration www ti com 14 ADC364xEVM Evaluation Module SBAU232 OCTOBER 2020 Submit Document Feedback Copyright 2020 Texa...

Страница 15: ...n ADC Input Frequency Enter 16 in Decimation Click Ok Click the Capture button Figure 4 9 HSDC Pro Cog Wheel www ti com Device Configuration SBAU232 OCTOBER 2020 Submit Document Feedback ADC364xEVM Ev...

Страница 16: ...lect 14 bit Under DDC Select Complex For Decimation Factor select 16 For Fs MHz select 60M Under FNCO A MHz enter 9 9 in the field This field will then calculate to the nearest valid NCO value and wil...

Страница 17: ...Select the TSW1400 and click OK Click OK for the no firmware loaded prompt Select ADC3643_2W_14bit_CMOS_Complex to load firmware and click Yes Figure 4 11 Complex Decimation HSDC Pro INI file www ti...

Страница 18: ...Under ADC Input Frequency enter 10M Under NCO enter 9 9M Under Decimation enter 16 Click OK Figure 4 12 Complex Decimation Mode HSDC Pro Parameters Select Complex FFT Device Configuration www ti com...

Страница 19: ...ress Capture Figure 4 13 Complex Mode Capture www ti com Device Configuration SBAU232 OCTOBER 2020 Submit Document Feedback ADC364xEVM Evaluation Module 19 Copyright 2020 Texas Instruments Incorporate...

Страница 20: ...to be used with an external clock source s use the steps outlined with the onboard clock for Bypass Mode and Complex Decimation mode for guidance on how the ADC35xx GUI should be configured with the e...

Страница 21: ...DCLKIN to J15 Figure 5 1 ADC364xEVM Schematic Snippet Sample Clock External DCLKIN Modification DNI R176 www ti com External Clocking Hardware Setup SBAU232 OCTOBER 2020 Submit Document Feedback ADC3...

Страница 22: ...esistor Figure 5 2 ADC364xEVM Schematic Snippet DCKLIN External Clocking Hardware Setup www ti com 22 ADC364xEVM Evaluation Module SBAU232 OCTOBER 2020 Submit Document Feedback Copyright 2020 Texas In...

Страница 23: ...www ti com External Clocking Hardware Setup SBAU232 OCTOBER 2020 Submit Document Feedback ADC364xEVM Evaluation Module 23 Copyright 2020 Texas Instruments Incorporated...

Страница 24: ...one complete the remaining steps outlined in the section Setup Procedure 5 3 External Clock ADC35XX GUI Real Decimation Mode To program the ADC364xEVM follow the steps written in the previous section...

Страница 25: ...r consumption on the front page of the ADC35XX GUI Click the Measure Power button to refresh the current values This feature is useful for determining what mode sampling speed offers the best power co...

Страница 26: ...n CHA click the drop down menu and select RAMP CUSTOM This can be done for Test Pattern CHB as well In the field next to Custom Pattern enter the number 16 The digital ramp pattern is now enabled on t...

Страница 27: ...x Decimation Figure 7 2 HSDC Pro Digital Ramp Pattern Trademarks Microsoft and Windows are registered trademarks of Microsoft Corporation All other trademarks are the property of their respective owne...

Страница 28: ...ther than TI b the nonconformity resulted from User s design specifications or instructions for such EVMs or improper system design or c User has not paid on time Testing and other quality control tec...

Страница 29: ...These limits are designed to provide reasonable protection against harmful interference in a residential installation This equipment generates uses and can radiate radio frequency energy and if not in...

Страница 30: ...instructions set forth by Radio Law of Japan which includes but is not limited to the instructions below with respect to EVMs which for the avoidance of doubt are stated strictly for convenience and s...

Страница 31: ...any interfaces electronic and or mechanical between the EVM and any human body are designed with suitable isolation and means to safely limit accessible leakage currents to minimize the risk of electr...

Страница 32: ...R DAMAGES ARE CLAIMED THE EXISTENCE OF MORE THAN ONE CLAIM SHALL NOT ENLARGE OR EXTEND THIS LIMIT 9 Return Policy Except as otherwise provided TI does not offer any refunds returns or exchanges Furthe...

Страница 33: ...e resources are subject to change without notice TI grants you permission to use these resources only for development of an application that uses the TI products described in the resource Other reprod...

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