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Elekitsorparts FAA-450 Operation Manual

Eu1ky antenna analyzer
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Elekitsorparts Store Item Name: FAA-450_EU1KY_Antenna Analyzer
Item No.: H10010
Document Type: Manual
FAA-450 EU1KY Antenna
Analyzer
Operation Guide
Rev 1.01
Elekitsorparts Store
www.elekitsorparts.com
1

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  • Page 1 Elekitsorparts Store Item Name: FAA-450_EU1KY_Antenna Analyzer Item No.: H10010 Document Type: Manual FAA-450 EU1KY Antenna Analyzer Operation Guide Rev 1.01 Elekitsorparts Store www.elekitsorparts.com...
  • Page 2 Also, the analyzer comes with a 16G TF card for storing the calibrated files and saved measurement results, and this could be a creative feature of this analyzer. Weighing just over 1.2 pounds, the FAA-450 is ideal for convenient bench work or the field testing, which could be a nice partner for Radio Amateurs, and RF engineers.

  • Page 3: Specification

    4. Powering it up The FAA-450 could be powered up by 1 cell of 18650 Li-ion battery or by your PC with a mini-USB cable connected to the ST-LINK port. A power switch is located at the left side edge of the unit. Sliding the switch to ON for powering the unit on, and to CHG for charging the internal battery.

  • Page 4: Battery Installation

    5. Battery Installation The FAA-450 uses 1 cell of 18650 LI-ion battery as the internal power source, and there is an battery holder inside its metal case. For installing a 18650 battery, you need to open its back cover by screwing out the 4 socket head cap screws with the supplied hex keys.

  • Page 5: Main Screen

    6. Main Screen The EU1KY FAA-450 analyzer is very different from other antenna analyzers, there is no buttons, switches, tuning pots on the unit, and all of the operations are through the touch screen When the unit is switched ON, the main screen displays ‘EU1KY...
  • Page 6 Picture 6: EU1KY antenna analyzer v.3 Picture 7: Main screen of FAA-450 There are 9 items on the main screen, click one of them will enter into them or the sub-item. The short description of each item is as the following: HW Calibration: This is for Hardware Calibration Process, the jumper on the RF board should be set to ‘HWCal’...

  • Page 7: Basic Operation

    Elekitsorparts Store Item Name: FAA-450_EU1KY_Antenna Analyzer Item No.: H10010 Document Type: Manual of the measurement results will be kept in plot on the screen. Measurement: Unlike the panoramic scan, which scans the frequency point from one to another, this item takes a single point measurement, but it keeps several measured results in one screen, VSWR, R, X, Z, MCL and Mag Difference etc.
  • Page 8 Elekitsorparts Store Item Name: FAA-450_EU1KY_Antenna Analyzer Item No.: H10010 Document Type: Manual Picture 9: Main display in measurement mode In the main screen of Measurement mode, the unit measures the connected antenna, and returns several measured values: R, X, VSWR, MCL, |Z|, Equivalent L or C, LC Match Parameters, and Smith Chart.
  • Page 9 FAA-450 could be represented in the following chart: Picture 11: LC match For example, the calculated LC match for 50 ohms @17.5MHz is 0.64uH, 88pF, or 128.9pF, 0.99uH. In FAA-450, it shows the following chart on the right part of the screen.
  • Page 10 Picture 14B: LC Match in Series C Configuration Smith Chart: FAA-450 also support the smith chart display. There is a green point mark in the circle (smith chart). The diameter of the circle is labeled 10, 25, 50, 100, 200 ohms. Normally, for a well matched 50 ohm system, the green point mark should be located rightly on the diameter line of the circle, without any up or down offset, and that says X = 0.
  • Page 11 Elekitsorparts Store Item Name: FAA-450_EU1KY_Antenna Analyzer Item No.: H10010 Document Type: Manual Picture 16: SWR plot view in measurement mode To exit ‘Measurement’ mode, just click ‘Exit’ button, then the unit goes back to the main menu screen. To snapshot the measurement screen, just click ‘Save snapshot’ button, it then goes into the file naming screen. Tap the numbers and characters on the screen to name the saved file, and then click ‘OK’, see the picture below:...
  • Page 12 Elekitsorparts Store Item Name: FAA-450_EU1KY_Antenna Analyzer Item No.: H10010 Document Type: Manual S11 graph, and Smith chart. There are also 2 key parameters for setting in this mode, Starting or Central Frequency and Frequency Span. See the picture below for frequency setting and graph switching. In addition, a marker is also enabled on the screen in panoramic scan mode, to change the maker position, just touch and hold the left or right arrow on the screen.
  • Page 13 Elekitsorparts Store Item Name: FAA-450_EU1KY_Antenna Analyzer Item No.: H10010 Document Type: Manual Picture 21: Input frequency in panoramic scan Picture 22: Setting span in panoramic scan B. Different Graphs (Plots): 4 types of graphs (plots) could be selected in panoramic scan mode. Tap the central green blocked area to switch between them as it shows in picture 19.
  • Page 14 Elekitsorparts Store Item Name: FAA-450_EU1KY_Antenna Analyzer Item No.: H10010 Document Type: Manual Picture 23: Smith chart in panoramic scan C. Other Information: To exit the panoramic mode and return to the main screen, just tap ‘Exit’ button on the lower end of the screen. Tapping the ‘Save snapshot’...
  • Page 15 See the picture below: When finished, eject this new disk just as the normal flash disk does in your PC. Or tap ‘Exit(Reset device)’ on FAA-450, this will eject the emulated disk automatically and reboot the analyzer.
  • Page 16 Elekitsorparts Store Item Name: FAA-450_EU1KY_Antenna Analyzer Item No.: H10010 Document Type: Manual Picture 28: Time Domain mode Connect a coax cable, and tap ‘Scan’ to begin scanning. The unit will begin to scan and it will stop scan in about 10s. The picture below is a example scanning of a 5 meter foam coax of which velocity factor is 0.84.
  • Page 17 Picture 30: Moving the maker to the peak to find the distance 7.2 Configurations and Calibrations A calibration process is needed for each initially built FAA-450, including the HW Calibration and the OSL Calibration. They could be accessed from the main screen.
  • Page 18 Also in Configuration sub-menu, set the correct values to OSL_RLOAD, OSL_RSHORT, OSL_ROPEN. For the calibration set from elekitsorparts store, set OSL_RLOAD = 50, OSL_RSHORT = 0, OSL_ROPEN = Open. These values are truly important, please check them before the further operation.
  • Page 19 Elekitsorparts Store Item Name: FAA-450_EU1KY_Antenna Analyzer Item No.: H10010 Document Type: Manual Picture 33: OSL Calibration Picture 34: Scanning 0 Ohm load is in progress Picture 35: All of the steps are done...
  • Page 20 Elekitsorparts Store Item Name: FAA-450_EU1KY_Antenna Analyzer Item No.: H10010 Document Type: Manual 7.23 Configuration All of the physical and operational parameters of this analyzer are configured through Configuration sub-menu. The parameters configured here will be stored in the TF card as file AA/CONFIG/CONFIG.BIN. Please keep in mind that some of the configurations in this sub-menu is truly important, make sure you know what to do here before changing any of the parameters.
  • Page 21 Elekitsorparts Store Item Name: FAA-450_EU1KY_Antenna Analyzer Item No.: H10010 Document Type: Manual Base Z0 for VSWR measurements and Gamma calculation OSL_RLOAD OSL calibration standard for the Load measurement, Ohm OSL_RSHORT OSL calibration standard for the Short measurement, Ohm uint32_t ROPEN OSL calibration standard for the Open measurement, Ohm.

  • Page 22: System Monitoring

    The magnitude of the 2 channels should be very close or equal in an ideal RF front end. However, in a normal system, there should be some difference, but it does not matter because the future OSL calibration will correct this. In FAA-450, the magnitude of the measured signals in DSP window should be around 1200-1600 (ideally they should be equal), the frequency displayed should be 10031 Hz (bin 107).
  • Page 23 Elekitsorparts Store Item Name: FAA-450_EU1KY_Antenna Analyzer Item No.: H10010 Document Type: Manual Picture 38: DSP mode Picture 39: DSP mode If you tap the central place of the screen, the display will be switched to another style, giving the information of sampling time, and magnitude.
  • Page 24 Elekitsorparts Store Item Name: FAA-450_EU1KY_Antenna Analyzer Item No.: H10010 Document Type: Manual Picture 40: DSP mode 8. Support For any questions and problems, please contact support@elekitsorparts.com for help. You may also learn the basic theory of operation from wiki of E1UKY’s antenna analyzer,...

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