Palstar ZM-30 Скачать руководство пользователя страница 1 | Manualshive

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Palstar ZM-30 Скачать руководство пользователя страница 1

Revision 2.3

Contents

1.0  Overview ...................................................................................................................................................  2
2.0  Features  ....................................................................................................................................................  3
3.0  Connections & Controls ..........................................................................................................................  4
4.0  Operation  .................................................................................................................................................  5
5.0  Basic Usage................................................................................................................................................  9
6.0  Advanced Usage .....................................................................................................................................  10
7.0  Technical Support  .................................................................................................................................  11
Appendix A: Specifications ..........................................................................................................................  12
Appendix B: Loading New Software ...........................................................................................................  13
Appendix C:  Calibration  ............................................................................................................................  15

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Содержание ZM-30

Страница 1: ...0 Overview 2 2 0 Features 3 3 0 Connections Controls 4 4 0 Operation 5 5 0 Basic Usage 9 6 0 Advanced Usage 10 7 0 Technical Support 11 Appendix A Specifications 12 Appendix B Loading New Software 13 Appendix C Calibration 15 ...

Страница 2: ...icrocontroller retains the frequency and corresponding results throughout the measurement period and at the end of the scan the microcontroller statically displays the SWR and impedance at the resonant frequencies Thus with a press of a button the antenna analyzer is able to quickly and automatically determine the frequencies for which the antenna system is best matched and display the associated ...

Страница 3: ...x impedance at selected frequencies Audible tone indicates resonance lower tone indicates lower SWR May be enabled disabled Serial port connects to PC for field upgradable software Battery operated for convenient field use or can use external 9 16V for bench operation Other uses of the Instrument Measure antenna bandwidth Measure feedpoint impedance Measure ground loss Measure coaxial cable Loss A...

Страница 4: ...t of user interface used to select menu items and frequency settings Audible Tones When enabled tones indicate value of SWR MODE User can change the ZM30 to any of the 4 available operating modes Impedance default Capacitance Inductance VFO SETUP Provides menu of user configurable settings and functions Custom Scan settings Audio tone Software Load Calibrate Debug Mode Power Off Time Backlight con...

Страница 5: ... user interface consists of four pushbuttons one for each instrument function as described in the next section and a rotary dial that is used to select various options presented in a menu like manner You use the function pushbuttons and the dial to operate the ZM 30 just press a function button and rotate the dial and the various menu options for that function are sequentially displayed on the LCD...

Страница 6: ...the dial pushbutton while simultaneously turning the dial The cursor will move to any of the seven available digits allowing subsequent up down adjustment of that digit with the dial pushbutton is released Rotating the dial clockwise will increase the digit value and correspondingly the signal generated by the unit Counter clockwise rotation will decrease the digit and the generated signal When th...

Страница 7: ...en the inductance display screen is shown as illustrated below when a 2 2 uH capacitor is connected to the RF output jack 10 000 00 L 2 2 uH The top line indicates the frequency The second line is the computed value for the load connected to the output jack Inductance values that may be displayed must fall within the measurement range of the instrument Keeping in mind the 600 ohm maximum resistanc...

Страница 8: ... the display backlight Default setting Lite Off Time This function prompts the user to enter the number of minutes of inactivity before the display backlight is automatically turned off Default value is 10 minutes Power Off Time This function prompts the user to enter the number of minutes of inactivity before the entire instrument is automatically turned off When the user touches any of the contr...

Страница 9: ...loss or loading coil loss For example a wave vertical will have a resistance of about 36 ohms at resonance Any higher reading indicates ground loss Similarly shorter antennas when resonated will have lower resistance values Reading a good SWR may mean excess loss and measuring the actual impedance allows gauging just how much loss Adjust antenna tuners The analyzer can be used to adjust an antenna...

Страница 10: ...to resonate with L at the frequency where you want to measure the inductor s Q The Inductor and Capacitor Measurement section of this manual shows how this capacitor value can be determined Now tune the Analyzer for the lowest R resistance value with a reading of zero X reactance If R is above 10 ohms you can now calculate inductor Q using the formula If R is less than 10 ohms a slightly different...

Страница 11: ...h stub the length is Where L is the length in inches VF is the velocity factor and F is the operating frequency in MHz for the stub Similarly for a quarter wave stub use the formula 7 0 Technical Support If you experience any problems with the ZM 30 or if you have any questions relative to its operation or specifications please contact Palstar at 937 773 6255 Be sure to visit the ZM 30 product web...

Страница 12: ...de Band Scan Setup On Off Rotary Encoder Tuning 24 position rotation smooth detentless operation LED Busy 2 line x 16 character LCD display with optional backlight under software control configured in SETUP menus Backlight may be configured to turn off after user set period of inactivity If enabled backlight turns on again with any of the controls are touched Power Control Power applied by press a...

Страница 13: ...l modem cable that swaps pins 2 and 3 from end to end 3 Start up the TeraTerm program on your PC If not already set up configure the communications as 9600 8N1 no flow control in the Setup Serial Port menu and be certain to have the line delay set to at least 40ms line Make sure that you have TeraTerm configured to be using the active serial port in your PC Be certain that no other program has con...

Страница 14: ...by its respective shunt 5 Connect your ZM 30 to the PC using a standard straight through male female DB9 type serial cable Do not use a null modem cable that swaps pins 2 and 3 from end to end 6 If not already running make sure the TeraTerm program is running on your PC 7 Power up the ZM 30 again by plugging in the external power cable or by inserting the battery that was previously removed 8 You ...

Страница 15: ...ircuit on the RF output jack and select yes with the dial 7 See 270 ohm load on displayed on the LCD Place the supplied 274 ohm resistive load on the RF output connector and confirm by selecting yes 8 See Make SWR 5 4 displayed on the first line of the LCD and a number on the second line Adjust the dial to make the number on the second line be as close as possible to 5 4 Press the dial when this n...

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