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UG-016 

Evaluation Board User Guide 

 

Rev. 0 | Page 8 of 28 

3.

 

In the 

ADCBase 0

 tab of the SPI Controller, find the 

CHIP 

GRADE(2)

 box. Use the drop-down list box to select the 

correct speed mode, if necessary. See the 

AD9276

 or 

AD9277

 

data sheet, the 

AN-878

 Application Note, and th

AN-877

 

Application Note for reference. 

08

282

-01

0

 

Figure 10. SPI Controller, CHIP GRADE(2)  

4.

 

In the 

ADCBase 0

 tab of the SPI Controller, find the 

HIGHPASS(2B)

 box. Click the 

Manual Tune

 button to 

calibrate the antialiasing filter. See the AD9276 or AD9277 
data sheet, the AN-878 Application Note, and the AN-877 
Application Note for reference. 

08

28

2-

0

1

1

 

Figure 11. SPI Controller, HIGHPASS(2B) 

5.

 

In the 

Chan A

 tab of SPI Controller, find the 

OFFSET(10)

 

box. Use the drop-down list box labeled 

Offset Adj

 to 

perform an offset correction to the LNA if the LNA power 
setting 

BIAS_CURR_A(12)

 is set low. The default value  

is 32. 

08

28

2-

0

12

 

Figure 12. SPI Controller, OFFSET(10)  

6.

 

Click the 

Run

 button in the VisualAnalog toolbar. 

082

82-

0

13

RUN BUTTON

 

Figure 13. VisualAnalog Window Toolbar, Run Button 

           

Summary of Contents for UG-016

Page 1: ...e spectrum analyzer DOCUMENTS NEEDED AD9276 and AD9277 data sheets HSC ADC EVALCZ data sheet High Speed Converter Evaluation Platform FPGA based data capture kit AN 905 Application Note VisualAnalog C...

Page 2: ...3 Power Supplies 3 Input Signals 3 Output Signals 3 Default Operation and Jumper Selection Settings 5 Evaluation Board Software Quick Start Procedures 6 Configuring the Board For TGC MODE 6 Using the...

Page 3: ...at separate supplies be used for both analog and digital domains An additional supply is also required to supply 3 0 V to the DUT 3 0 V AVDD2 This should also have a 1 A current capability To operate...

Page 4: ...AL SYNTHESIZER AGILENT POWER SUPPLY GAIN CONTROL INPUT SPECTRUM ANALYZER OPTIONAL CLOCK INPUT CW I Q OUTPUTS SWITCHING POWER SUPPLY SWITCHING POWER SUPPLY 6V DC 2A MAX 6V DC 2A MAX WALL OUTLET 100V TO...

Page 5: ...llator is a low phase noise oscillator from Valpey Fisher VFAC3HL 40MHz If a different clock source is desired remove R503 set Jumper J501 to disable the oscillator from running and connect the extern...

Page 6: ...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 an...

Page 7: ..._Speed_Octal_synchronous_ capture bin This canvas allows the user to display all the channels at once The drawback is that each FFT display is only 8k points Exit the ADC Data Capture Settings box by...

Page 8: ...B box Click the Manual Tune button to calibrate the antialiasing filter See the AD9276 or AD9277 data sheet the AN 878 Application Note and the AN 877 Application Note for reference 08282 011 Figure 1...

Page 9: ...5MHz 1dBFS LNA 21 6dB PGA 24dB VGAIN 1 6V LPF 1 1 3 FSAMPLE HPF FLP 20 7 Figure 16 Typical FFT AD9276 and AD9277 USING THE INTEGRATED I Q DEMODULATOR CW DOPPLER MODE To examine the spectrum of the CW...

Page 10: ...T1 VBW 0dBm REF Lv1 UNIT RF ATT 08282 032 A 1 Figure 19 Typical Spectrum Analyzer Display of CWD Output 08282 033 CH3 100mV TEK RUN 2 50MS s SAMPLE M20 0 s CH3 8mV C3 FREQ 12 330kHz UNSTABLE HISTOGRAM...

Page 11: ...Evaluation Board User Guide UG 016 Rev 0 Page 11 of 28 EVALUATION BOARD SCHEMATICS AND ARTWORK 08282 020 Figure 21 DUT Analog Input Circuits...

Page 12: ...UG 016 Evaluation Board User Guide Rev 0 Page 12 of 28 08282 021 Figure 22 DUT Analog Input Circuits Continued...

Page 13: ...Evaluation Board User Guide UG 016 Rev 0 Page 13 of 28 08282 022 Figure 23 DUT VREF and Decoupling...

Page 14: ...UG 016 Evaluation Board User Guide Rev 0 Page 14 of 28 08282 023 Figure 24 I Q Demodulator SPI and Gain Drive Circuitry...

Page 15: ...Evaluation Board User Guide UG 016 Rev 0 Page 15 of 28 08282 024 Figure 25 Clock Circuitry...

Page 16: ...UG 016 Evaluation Board User Guide Rev 0 Page 16 of 28 08282 025 Figure 26 Power Supply Digital Output Interface...

Page 17: ...Evaluation Board User Guide UG 016 Rev 0 Page 17 of 28 08282 026 Figure 27 Top Side...

Page 18: ...UG 016 Evaluation Board User Guide Rev 0 Page 18 of 28 08282 027 Figure 28 Ground Plane Layer 2...

Page 19: ...Evaluation Board User Guide UG 016 Rev 0 Page 19 of 28 08282 028 Figure 29 Power Plane Layer 3...

Page 20: ...UG 016 Evaluation Board User Guide Rev 0 Page 20 of 28 08282 029 Figure 30 Power Plane Layer 4...

Page 21: ...Evaluation Board User Guide UG 016 Rev 0 Page 21 of 28 08282 030 Figure 31 Ground Plane Layer 5...

Page 22: ...UG 016 Evaluation Board User Guide Rev 0 Page 22 of 28 08282 031 Figure 32 Bottom Side...

Page 23: ...amic X7R Panasonic ECJ 0EB1E272K 1 C515 Capacitor 3900 pF 0402 25 V ceramic X7R Panasonic ECJ 0EB1E392K 1 C631 Capacitor 33 pF 0402 25 V ceramic X7R Panasonic ECJ 0EC1H330J 4 C403 C405 C427 C428 Capac...

Page 24: ...nic ERJ 2RKF49R9X 28 R102 R116 R131 R146 R202 R216 R231 R246 R503 R505 R506 R507 R508 R509 R510 R511 R519 R526 R527 R451 R453 R455 R456 R457 R458 R460 R462 R535 Resistor 0 0402 1 16 W 1 Panasonic ERJ...

Page 25: ...06ARDZ 3 3 R7 1 U602 IC regulator 3 0 V low dropout CMOS SO8 ADI ADP1706ARDZ 3 0 R7 2 U603 U604 IC regulator 1 8 V low dropout CMOS SO8 ADI ADP1706ARDZ 1 8 R7 1 U605 IC regulator 0 8 V to 5 0 V low dr...

Page 26: ...220 R235 R250 R408 R420 R452 R454 Resistor 1 00 k 0402 1 16 W 1 Panasonic ERJ 2RKF1001X 2 R402 R414 Resistor 10 0 k 0402 1 16 W 1 Panasonic ERJ 2RKF1002X 9 R320 R426 R435 R436 R438 R464 R465 R533 R537...

Page 27: ...Evaluation Board User Guide UG 016 Rev 0 Page 27 of 28 NOTES...

Page 28: ...on or use of evaluation boards Information furnished by Analog Devices is believed to be accurate and reliable However no responsibility is assumed by Analog Devices for its use nor for any infringeme...

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