Analog Devices AD6642 Page 18 User Manual Download | Manualshive

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Evaluation Board User Guide

UG-232

Rev. 0 | Page 17 of 32

095

72-02

6

Figure 26. Default Clock Input Circuit

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Summary of Contents for AD6642

Page 1: ...ss mainly focus on the distribution of electronic components Line cards we deal with include Microchip ALPS ROHM Xilinx Pulse ON Everlight and Freescale Main products comprise IC Modules Potentiometer...

Page 2: ...rd HSC ADC EVALCZ FPGA based data capture kit SOFTWARE NEEDED VisualAnalog SPI controller DOCUMENTS NEEDED AD6642 or AD6657 data sheet HSC ADC EVALCZ data sheet AN 905 Application Note VisualAnalog Co...

Page 3: ...vision History 2 Evaluation Board Hardware 3 Power Supplies 3 Input Signals 3 Output Signals 3 Default Operation and Jumper Selection Settings 5 Evaluation Board Software Quick Start Procedures 6 Conf...

Page 4: ...ds can be removed to disconnect the outputs from the on board LDOs This enables the user to bias each section of the board individually Use P202 and P203 to connect a different supply for each section...

Page 5: ...SUPPLY SWITCHING POWER SUPPLY PC RUNNING ADC ANALYZER OR VISUAL ANALOG USER SOFTWARE 6V DC 2A MAX 6V DC 2A MAX ANALOG FILTER SIGNAL SYNTHESIZER SIGNAL SYNTHESIZER ANALOG FILTER SIGNAL SYNTHESIZER ANAL...

Page 6: ...components are not included The user should see the AD8376 data sheet for additional information on this part and for configuring the inputs and outputs The AD8376 channels are also normally held in...

Page 7: ...8 50 coaxial cable to connect the signal generator For best results use a narrow band band pass filter with 50 terminations and an appropriate center frequency Analog Devices uses TTE Allen Avionics a...

Page 8: ...y going to the Start menu or by double clicking the SPIController software desktop icon If prompted for a configuration file select the appropriate one If not check the title bar of the window to dete...

Page 9: ...other settings can be changed on the ADCBase 0 page see Figure 10 and the ADC A and ADC B pages see Figure 11 to set up the part in the desired mode ADC C and ADC D can also be changed if using the AD...

Page 10: ...80 100 120 10 0 20 30 40 50 60 70 80 90 FREQUENCY MHz AMPLITUDE dBFS SECOND HARMONIC THIRD HARMONIC fS 185MSPS fIN 30 3MHz 1dBFS SNR 65 7dB 66 7dBFS SFDR 89 7dBc 09572 014 Figure 14 Typical FFT AD665...

Page 11: ...nabled is analogous to an amplitude of 1 0 dBFS with NSR disabled If the FFT window remains blank after clicking Run do the following 10 Click the disk icon within the Graph window to save the perform...

Page 12: ...Evaluation Board User Guide UG 232 Rev 0 Page 11 of 32 EVALUATION BOARD SCHEMATICS AND ARTWORK 09572 020 Figure 20 DUT and Related Circuits...

Page 13: ...UG 232 Evaluation Board User Guide Rev 0 Page 12 of 32 09572 021 Figure 21 Board Power Input and Supply...

Page 14: ...Evaluation Board User Guide UG 232 Rev 0 Page 13 of 32 09572 022 Figure 22 Passive Analog Input Circuits Channel A and Channel B...

Page 15: ...UG 232 Evaluation Board User Guide Rev 0 Page 14 of 32 09572 023 Figure 23 Passive Analog Input Circuits Channel C and Channel D...

Page 16: ...Evaluation Board User Guide UG 232 Rev 0 Page 15 of 32 09572 024 Figure 24 Optional Active Input Circuits Channel A and Channel B...

Page 17: ...UG 232 Evaluation Board User Guide Rev 0 Page 16 of 32 09572 025 Figure 25 Optional Active Input Circuits Channel C and Channel D...

Page 18: ...Evaluation Board User Guide UG 232 Rev 0 Page 17 of 32 09572 026 Figure 26 Default Clock Input Circuit...

Page 19: ...UG 232 Evaluation Board User Guide Rev 0 Page 18 of 32 09572 027 Figure 27 Optional Clock Input Circuit...

Page 20: ...Evaluation Board User Guide UG 232 Rev 0 Page 19 of 32 09572 028 Figure 28 Optional AD9517 Clock Input Circuit...

Page 21: ...UG 232 Evaluation Board User Guide Rev 0 Page 20 of 32 09572 029 Figure 29 SPI Configuration Circuit...

Page 22: ...Evaluation Board User Guide UG 232 Rev 0 Page 21 of 32 09572 030 Figure 30 FIFO Board Connector Circuit...

Page 23: ...UG 232 Evaluation Board User Guide Rev 0 Page 22 of 32 09572 031 Figure 31 AD6657 AD6642 Evaluation Board Top Side 09572 032 Figure 32 AD6657 AD6642 Evaluation Board Ground Plane Layer 2...

Page 24: ...Evaluation Board User Guide UG 232 Rev 0 Page 23 of 32 09572 033 Figure 33 AD6657 AD6642 Evaluation Board Power Plane Layer 3 09572 034 Figure 34 AD6657 AD6642 Evaluation Board Power Plane Layer 4...

Page 25: ...UG 232 Evaluation Board User Guide Rev 0 Page 24 of 32 09572 035 Figure 35 AD6657 AD6642 Evaluation Board Ground Plane Layer 5 09572 036 Figure 36 AD6657 AD6642 Evaluation Board Bottom Side...

Page 26: ...408 Ceramic capacitor 50 V 8 2 pF NP0 0402 Yageo 0402CG829D9B200 9 2 C610 C612 Ceramic capacitor 6 3 V 10 F X5R 0805 Panasonic ECJ 2FB0J106M 10 1 CR201 Diode fast rec 50 V 1 A SMB Diode Inc RS1AB 13 F...

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