DG8SAQ VNWA 3 & 3E - Vector Network Analyzer - SDR-Kits

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3.2.14 A separate configuration window opens shown below. Select the Tab “Advanced” (step 4) Ensure that Sample rate is set to: 2 Channel 16 bit 48000 Hz (step 5) 3.2.15 Press tab “Levels” (Step 6. Select) Adjust the Line or Microphone levels as follows: a) If the Device is shown as “Line Properties” the Line level should default to “100” to ensure sufficient drive. Adjust to setting “100” if required. b) If the Device is shown as “Microphone Properties” the level value (7) needs to be set between 3 and 5, (typically 4) to prevent clipping of the sinewave. If on certain Computers - a value of 4 is not shown e.g. the displayed number jumps from 3 to 5 then use the left and right arrow keys and count you way. You will find whilst only 5 is shown both the setting for 4 and 5 are available. You can monitor the Audio levels on the Audio Level meters, shown in 3.2.13. The Audio level should approx 50% to 60% of the maximum level. If no signals are seen make sure that the USB-Codec is not Muted (8.) When all adjustments are complete press “OK” (step 9.) This closes the Properties screen. Press “OK” on the Sound Setup Screen shown in 3.2.13 to close down this screen. SDR-Kits VNWA 3 & 3E "Getting Started" Manual W7 - XP v2.0 - copyright 2013 by SDR-Kits Page 16 of 47
3.2.16 This step for VNWA 3E only: (fitted with second USB-Codec) Go back to Step 3.2.13 and click on the second USB Audio Device – 2 nd USB Codec and configure as done for the first USB-Audio Device in steps 3.2.13 and 3.2.14. For VNWA 3 the USB-Codec configuration is complete as only one USB-Codec is fitted. 3.2.17 This step for VNWA 3E Only - the VNWA 3E has two Audio Capture Devices fitted, shown below. Audio Capture Device 1. must be the main capture device, because it is hard wired to the REFL/TRU switch. It is important that configuration shown below is done with VNWA TX and RX Ports not connected! (Nothing connected) Stop the Audio test by clicking on the “Test Audio” button. Now Click on“Calibrate Sample Rate” button. If the Sample Calibration Rate fails (First pulse not detected) then reverse the two USB Audio Devices and test again. (ie Audio Capture Device (1.) is inow set to "USB Audio Device" and Aux. Audio Capture Device (2) is set to "USB Audio Device 2"). SDR-Kits VNWA 3 & 3E "Getting Started" Manual W7 - XP v2.0 - copyright 2013 by SDR-Kits Page 17 of 47
Page 1 and 2: SDR-Kits, Grangeside Business Centr
Page 3 and 4: If you are installing the VNWA appl
Page 5 and 6: 3.1.5 Press "Next >" - This shows t
Page 7 and 8: NOTE: At this point the Installer f
Page 9 and 10: 3.2 Windows 7 & Vista 64 bit and 32
Page 11 and 12: Press “OK” to continue and star
Page 13 and 14: 3.2.8 Windows 7 configures a VNWA U
Page 15: 3.2.13 Click on Line 2- USB Audio D
Page 19 and 20: 3.2.19 Connect the TX port and RX p
Page 21 and 22: 3.2.23 Click on Tab “Misc Setting
Page 23 and 24: 3.3 Windows XP Installation Note: F
Page 25 and 26: Note: A screen (not shown) is now d
Page 27 and 28: NOTE: At this point the VNWA Instal
Page 29 and 30: 3.4.4 The VNWA “Hint File” is n
Page 31 and 32: 3.4.6 This step is only applicable
Page 33 and 34: 3.4.10 Next connect the TX port and
Page 35 and 36: 3.5 Amateur Radio Root Certificate
Page 37 and 38: 4.2 Reloading saved Master Calibrat
Page 39 and 40: 5.2 VNWA Transmission Measurements
Page 41 and 42: Note: a PDF version of the latest h
Page 43 and 44: 7.1.1 VNWA 3 E - Expansion Board -
Page 45 and 46: 9. VNWA User Support 9.1 VNWA User
Page 47: SDR-Kits, Grangeside Business Centr

DG8SAQ VNWA 3 & 3E - Vector Network Analyzer - SDR-Kits

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