Current Projects

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Belthorn XTal Filter

STATUS: stuck

  • Ceramic caps didn't work very well:
    • Low Q factor
    • high tolerances
  • Refitting with styroflex caps, but I'm missing some values.

2014-03-27: Built new filter, works ok (Currently testing with VNA)

Bridge for N2PK VNA

STATUS: DONE!

reconstruction filter and amplifier for AD9951 DDS

STATUS: ready for testing

  • Need to caracterize the filter and test the MMIC amplifier.

Tested at RCL. Filter is ok. Amplifier oscillates.

AD9850 DDS VFO

STATUS: writing software.