Measurement results

Here are some measurement results from the different measurement stations:

  1. Tx measurements
  2. Rx measurements
  3. Preamp/filter measurements
  4. LO measurementsOld SK4MPI 6 dB attenuated (72 MHz):

    Old SK4MPI 6 dB ext. attenuator (144 MHz):

SM6UBC, 10 MHz rubidium

5. Connector measurements
6. EMC measurements
The LISN box made it possible to see some noise from some switch-mode PSUs.
Dell 12 V 57 A server PSU, no load:

Eltec Flatpack2 48 V 51 A PSU, no load:

Traco 220-48S (48 V  220 W), no load: