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resources:eval:sdp:eval-adrf6755 [20 Jul 2021 21:32] – Still in progress Eric Webbresources:eval:sdp:eval-adrf6755 [09 Aug 2021 16:20] – Eric Webb
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 {{ :resources:eval:sdp:lofrequency.png?600 |}} {{ :resources:eval:sdp:lofrequency.png?600 |}}
 +
 +This section can be used to initialize the different frequency components of the board going to the PFD.
  
 ==== Power Up/Down ==== ==== Power Up/Down ====
  
 {{ :resources:eval:sdp:powerupdown.png?600 |}} {{ :resources:eval:sdp:powerupdown.png?600 |}}
 +
 +This section controls what will be powered up or down on startup of the part. The charge pump current can also be configured here
  
 ==== Output Settings ==== ==== Output Settings ====
  
 {{ :resources:eval:sdp:outputsettings.png?600 |}} {{ :resources:eval:sdp:outputsettings.png?600 |}}
 +
 +Here you can control both the MUXOUT and LOMON outputs. LOMON can be used to view the LO Signal while the part is in operation
  
 ==== VCO and Autocalibration Settings ==== ==== VCO and Autocalibration Settings ====
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 {{ :resources:eval:sdp:vcoautocal.png?600 |}} {{ :resources:eval:sdp:vcoautocal.png?600 |}}
  
 +This section allows you to control the auto-calibration time as well as disable auto-calibration altogether
 + 
 ==== Lock Detector ==== ==== Lock Detector ====
  
 {{ :resources:eval:sdp:ldet.png?600 |}} {{ :resources:eval:sdp:ldet.png?600 |}}
  
 +This section is used to enable/disable the lock detector as well as determine its pulse count and precision 
 +
 +===== Basic Test Case =====
 +
 +1. Begin by enabling the modulator power up setting 
 +
 +2. Attach a +5.0V supply to the DUT pin with a current limit of 400mA
 +
 +3. Attach a Spectrum Analyzer to the RFOut pin of the ADRF6755
 +
 +4. Hit the apply button at the bottom of the ACE 
 +
 +5. Set the center frequency of the Spectrum Analyzer to 1875MHz and the span to 80MHz
 +
 +{{:resources:eval:sdp:adrf6755testcase.jpg?400|}}
 +
 +6. Measure the output frequency and output power of the main RF output on the spectrum analyzer. The highest power tone at 1850MHz should read be greater than -4dBm
 +
 +7. The power of the carrier feedthrough at 1875MHz should be at least 45dB below the 1850MHz tone (-45dBc)
  
 +8. The power of the suppressed sideband at 1900MHz should be at least 30dB below the 1850MHz tone (-30dBc)
  
resources/eval/sdp/eval-adrf6755.txt · Last modified: 06 Apr 2023 10:42 by Gokhan Karaova

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