PicoVNA Programmer's Guide Contents

Contents

1 Welcome ................................................................................................................................... 4

1 Software license conditions ......................................................................................................................................... 4

2 Trademarks ....................................................................................................................................................................... 5

3 System requirements ..................................................................................................................................................... 6

4 Contact information ........................................................................................................................................................ 6

2 Programming with PicoVNA .................................................................................................. 7

1 Installing the software ................................................................................................................................................... 7

3 API functions ............................................................................................................................ 9

1 Command summary ........................................................................................................................................................ 9

2 Communications ........................................................................................................................................................... 11

1 FND() - discover instrument ......................................................................................................................... 11

2 FNDSN() - discover instrument by hardware serial number ................................................................. 12

3 CloseVNA() - close instrument .................................................................................................................... 13

4 ResetErr() - Reset serial communications error flag .............................................................................. 14

3 Calibration ....................................................................................................................................................................... 15

1 SelectKit() - create kit [dialog] ...................................................................................................................... 15

2 SetKit() - create kit .......................................................................................................................................... 16

3 SetFreqPlan() - set frequency plan ............................................................................................................. 18

4 SetCWmode() - set CW sweep plan ........................................................................................................... 19

5 SelectCal() - calibrate and set frequency plan [dialog] .......................................................................... 20

6 MeasCal() - measure calibration standard ............................................................................................... 21

7 AppCal() - apply calibration ........................................................................................................................... 23

8 SelectP1dB() - calibration and measurement [dialog] ............................................................................ 24

9 SelectAMPM() - AM-PM calibration and measurement [dialog] .......................................................... 25

10 DoP1dBCal() - P1dB Calibration ................................................................................................................ 26

11 DoAMPMCal() - AM-PM Calibration .......................................................................................................... 27

12 SelectMixerFrm() - select mixer [dialog] .................................................................................................. 28

13 SetRXQ() - set quiescent point of receiver ............................................................................................. 29

4 Measurements ............................................................................................................................................................... 30

1 SetTrig() - set sweep trigger mode ............................................................................................................. 30

2 PulseTrigOut() - pulse the trigger output ................................................................................................... 31

3 Measure() - measure one sweep (S11, S21, S11+S21, or "All" using current calibration) ............ 32

4 DoP1dBMeas() - measure P1dB ................................................................................................................. 33

5 DoAMPMMeas() - measure AM-PM .......................................................................................................... 34

5 Signal processing .......................................................................................................................................................... 35

1 SetEnhance() - set enhancement parameters ......................................................................................... 35

2 SetRef() - set reference plane ..................................................................................................................... 37

3 SaveToMem() - save measurement to memory ...................................................................................... 38

4 AppMemMath() - apply memory math ....................................................................................................... 39