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DAC39J84 POWER SUPPLY/ PHASE NOISE MEASUREMENTS

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Presentation on theme: "DAC39J84 POWER SUPPLY/ PHASE NOISE MEASUREMENTS"— Presentation transcript:

1 DAC39J84 POWER SUPPLY/ PHASE NOISE MEASUREMENTS
Mandeep Singh

2 SETUP Assuming 8X Interpolation DAC Output Rate: 2560 MSPS
Mixer Block Enabled Constant Input Value: 0x7FFF 2560MHz Input clock Power Measurement Settings JESD204B is Off  Internal PLL Off DAC B, C and D are Off NCO Enabled QMC On

3 Current Measurements (A)
Frequency (MHz) Power Rails 0.9V (VDIG, VDDT, VDDDA, VDDCLK) 1.8V (APLL, VDDR, VQPS, AREF, VDIO) 3.3V (ADAC, 3.3VCLK) 310 0.451 0.034 0.461 412.5 0.463 0.036 510 0.459 0.037 612.5 0.460 0.039 710 0.040 810 0.041

4 Fout at 310 MHz

5 Fout at MHz

6 Fout at 510 MHz

7 Fout at MHz

8 Fout at 710 MHz

9 Fout at 810 MHz


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