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Palstar ZM-30 Owner's Manual
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Palstar ZM-30 Owner's Manual

Digital antenna analyzer
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ZM-30 Digital Antenna Analyzer
Owner's Manual
Firmware Level: Version 6.0

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Summary of Contents for Palstar ZM-30

  • Page 1 ZM-30 Digital Antenna Analyzer Owner’s Manual Firmware Level: Version 6.0...
  • Page 2 Palstar Incorporated 9676 N. Looney Rd., Piqua, OH 45356 USA Customer Service and Sales Telephone: 1-800-773-7931 Fax: 1-937-773-8003 Email: info@palstar.com...
  • Page 3 ! " # $ ! " % & " ' $ # " ( ) ! & * +' , % ! " % - . % % ( / " ' ( % ' / % # 0 '% ! & "...
  • Page 4 " $ : ! % " / 0 , ! " ! & % " ' ! ! & " '1 & 8= / " " 1 % % ! & 0 # 0 ! " ' & 1 " '% ( " ! 1 " ! % ! ! # ! 1 ! "...
  • Page 5 & , 0 " ' / " ' & % 1 % ! F ;< ? ! 0 9 * & % ! 0 9 & % $ # '/ ! ' ! " & 1 & 2 ' ! 0 % ! "...
  • Page 6 The VFO updated software from the ZM-30 website mode allows the ZM-30 to serve as a precise and load it into the antenna analyzer. and stable frequency source, useful for...
  • Page 7 The ZM-30 is designed to be field-usable located at the top end of the instrument, and and operator friendly. The handheld the power pushbutton is located on the front instrument can be battery operated and the panel. enclosure conveniently holds eight AA cells,...
  • Page 8 Manual and automated antenna analysis Other uses of the ZM30: based on SWR and complex impedance measurements • Measure antenna bandwidth • Measure feedpoint impedance Operating modes provide for • Measure ground loss measurement of network impedance, and components (inductors and capacitors) •...
  • Page 9 MODE - 1-10 MHz User can change the - 10-20 MHz ZM-30 to any of the 4 - 20-30 MHz available operating - 1-30 MHz modes: - 160m - Impedance (default)
  • Page 10 You use the function pushbuttons and the bumping the pushbutton during use or while dial to operate the ZM-30 – just press a in transit. function button and rotate the dial and the Press-Hold the On/Off button –...
  • Page 11 allow you to prepare for a special scan and SWR 10,345.00 they will be in effect when you exit from the 49 + j 23 Band function.) • The top line indicates the frequency. • The first number on the second line is Pressing the SCAN pushbutton will the SWR.
  • Page 12 manually be done by positioning the cursor 10,000.00 under the 100 kHz digit or the 1 MHz digit, C = 126.4 pF giving a wide and course scan of the The top line indicates the frequency. frequencies with a quick twist of the dial. The second line is the computed value for The signal frequency can then be set to the the load connected to the output jack.
  • Page 13 used to compute the inductance is: Enable Tones XL = 2 * pi * F * L This function provides an audible tone whose pitch corresponds to the SWR being When the frequency and/or inductance is measured when in Impedance mode. This beyond the instrument’s capabilities, feature is useful in eyes-free conditions or producing a value for XL greater than 600...

  • Page 14: Additional Features

    PC, can provide diagnostic available, the user may download the binary information about the ZM-30 operation in file from the PalStar website to his local PC. the field. (Default setting is OFF.) (For additional detail on upgrading ZM-30...
  • Page 15 See Figure analyzer (about 10-to-1000 ohms). Another way to measure capacitance with the ZM-30 is to measure it in a series resonant Measure Feed Point Impedance circuit. (See as Figs 1 and 6). You will need...
  • Page 16 MHz and C is the capacitance in the above formula to calculate the Q value. in picofarads. Transmission Line Characteristic Impedance The characteristic impedance of coaxial, twisted pair, open wire or ribbon type feedlines can be estimated using the ZM-30.
  • Page 17 3 dB string. 4 dB 2.3:1 Now tune the ZM-30 over the range of 7-to-21 5 dB MHz while noting the resistive (R) and 6 dB 1.7:1 reactive (X) values. More than likely they 7 dB 1.6:1...
  • Page 18 The procedure can be performed at any For a half-wavelength stub the length is: frequency that the ZM-30 tunes but it is most 5904 * VF practical in the vicinity of 10 MHz where line lengths are reasonable and instrument accuracy is optimum.
  • Page 19 Feedline with unknown Relatively constant? characteristic impedance Pot setting is cable’s characteristic impedance Figure 8: Determining Feedline Characteristic Impedance Sweep ZM-30 to find minimum SWR at some frequency “F”. VF = 51 ohms (Open) Figure 9: Determining Feedline Velocity Factor...
  • Page 20 " % " , * 4 @ / , Frequency Generation & Control: • 1 - 30 MHz • Source Impedance: 50-Ohms • Stability: +/- 50 ppm • Spectral Purity: Harmonics down >-35 dB beyond 30 MHz • Step Size: User configurable increments of 10 Hz, 100 Hz, 1 kHz, 10 kHz, and 100 Usable Measurement Range: •...
  • Page 21 ZM-30, as provided on the Palstar website. ZM-30. 2. Connect your ZM-30 to the PC using BACKGROUND a standard, straight-through male- Increasingly today, microcontrolled projects female DB9-type serial cable. Do have an ability to be “field updated”...
  • Page 22 ZM-30 and has been you task switching over to another flashed into its memory. DO NOT program), the PC data link to the ZM-30 can INTERRUPT THIS PROCESS!! get out of sync, resulting in either a When it is complete, the HCmon >...
  • Page 23 5. Connect your ZM-30 to the PC using a e. Once in the folder that contains zm30vXXX.s19 file, select that file standard, straight-through male-female DB9-type serial cable. Do not use a null and click the Open button. (Be modem cable that swaps pins 2 and 3 careful to only load S19 files! If you from end-to-end.
  • Page 24 As you adjust this pot, the the factory. However you may occasionally numbers will change and you will find a find the need to recalibrate the ZM-30 setting that meets the requirements of first instrument, such as when new software...
  • Page 25 " ZM30 Menus...
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  • Page 36 Notes:...
  • Page 37 Notes:...