RigExpert
®
AA-30
Antenna Analyzer (0.1 to 30 MHz)
AA-54
Antenna Analyzer (0.1 to 54 MHz)
User’s manual
Страница 1: ...RigExpert AA 30 Antenna Analyzer 0 1 to 30 MHz AA 54 Antenna Analyzer 0 1 to 54 MHz User s manual...
Страница 2: ...ry operation AA 54 only 11 4 6 Settings menu 11 4 7 Computer connection 14 5 Applications 15 5 1 Antennas 15 5 1 1 Checking the antenna 15 5 1 2 Adjusting the antenna 15 5 2 Coaxial lines 16 5 2 1 Ope...
Страница 3: ...ot Smith diagrams etc make RigExpert AA 30 and AA 54 attractive for professionals and hobbyists The following tasks are easily accomplished by using these analyzers Rapid check out of an antenna Tunin...
Страница 4: ...4 harmonics are used Output power about 13 dBm at 50 Ohm load Power Two 1 5V alcaline batteries type AA Two 1 2V 1800 2700 mA h Ni MH batteries type AA Max 3 hours of continuous measurement max 2 days...
Страница 5: ...analyzer Do not connect it to your antenna if you have active transmitters nearby Avoid static discharge while connecting a cable to the analyzer It is recommended to ground the cable before connectin...
Страница 6: ...eriously damage the analyzer Remove batteries if the analyzer is not being used for a long period of time Store batteries in a dry cool place 4 2 Turning the analyzer on or off To turn the analyzer on...
Страница 7: ...indicator shows battery discharge level When the battery voltage is too low this indicator starts flashing The USB icon is displayed when the analyzer is plugged to a personal computer or to a DC adap...
Страница 8: ...n in the top right corner indicates when the measurement is started Pressing the 1 key will show a list of other commands 4 4 2 MultiSWR mode AA 54 only RigExpert AA 54 has an ability to display SWR f...
Страница 9: ...u may choose either series or parallel model of impedance of a load through the Settings menu In the series model impedance is expressed as resistance and reactance connected in series In the parallel...
Страница 10: ...ly Also you may use this function to set the whole frequency range supported by the analyzer Press the 1 key to access a list of additional commands for this mode 4 5 2 R X graph In the R X graph mode...
Страница 11: ...ot names 4 6 Settings menu The Settings menu press the 0 key in the Main menu contains various settings for the analyzer The first page contains the following commands AA 30 AA 54 2 language selection...
Страница 12: ...play should look like shown on the picture For the 50 Ohm load the filled bars should stand at corresponding positions notice the no load and 50 marks If the bars are not filled at all the RF output s...
Страница 13: ...tween the horizontal dotted lines The vertical lines are the bounds of analyzer s subbands 4 bandpass filter frequency response graph With no load at the antenna connector the display should look like...
Страница 14: ...ction RigExpert antenna analyzers may be connected to a personal computer for displaying measurement results on its screen taking screen shots of the LCD as well as for updating the firmware A convent...
Страница 15: ...s 7 1 MHz The SWR at this frequency is about 1 1 which is acceptable The next screen shot shows SWR graph of a simple dipole antenna with a desired operating frequency of 14 1 MHz The actual resonant...
Страница 16: ...n and short circuited cables Open circuited cable Short circuited cable The above pictures show R and X graphs for a piece of cable with open and short circuited end A resonant frequency is a point at...
Страница 17: ...c constant and the velocity factor of the particular type of cable find the speed of electromagnetic wave in this cable Example 299 792 458 0 66 197 863 022 meters per second or 983 571 056 0 66 649 1...
Страница 18: ...ncy then multiply by the resonant frequency in Hz Example 10 09 1 4 4 835 000 195 140 600 meters per second or 33 10 1 4 4 835 000 640 154 000 feet per second 3 Finally find the velocity factor Just d...
Страница 19: ...2 458 28 200 000 0 66 1 4 1 75 meters or 983 571 056 28 200 000 0 66 1 4 5 75 feet 2 Cut a piece of cable slightly longer than this value Connect it to the analyzer The cable must be open circuited at...
Страница 20: ...ue of this resistor is not important However it is recommended to use 50 to 100 Ohm resistors Example 1 RG 58 cable with 51 Ohm resistor at the far end Example 2 Unknown cable with 51 Ohm resistor at...
Страница 21: ...s they may be successfully used to measure parameters of other RF elements 5 3 1 Capacitors and inductors Analyzers can measure capacitance from a few pF to about 0 1 F as well as inductance from a fe...
Страница 22: ...mer Similarly use resistors with other values for non 1 1 transformers 5 4 RF signal generator The output signal of AA 30 and AA 54 has rectangular waveform and level of about 13 dBm at the 50 Ohm loa...
Страница 23: ...23 Notes...
Страница 24: ...24 Copyright 2010 Rig Expert Ukraine Ltd http www rigexpert com RigExpert is a registered trademark of Rig Expert Ukraine Ltd 6 Sep 2010 firmware ver 101...
