Im taking on my first project without the aide of a kit and its the k6bez antenna analyzer. An lnetwork will provide a low vswr across much of. Other useful information would include your experience with similar products, infomation on a product that you would purchase instead of this one, and so on. It served its purpose though accuracy was questionable with no compensation of the diode voltage drop and lacking in power. Data can optionally be sent over the usb cable to a pc running a program that will plot the vswr on a graphical window display. I recently had the need to check a transceiver to ensure that it was onfrequency. A project i found that used this board was by beric dunn, k6bez. Analyzer pc program run time analyzer pc program source code. The example shown is for a 10 point sweep between 1 mhz and 2 mhz. So, you can use the antenna analyzer as an lc meter as well. Rebuilt the antenna analyzer as a scalar network analyzer. Towertalk comparison of antenna analyzers from eham. Ja2gqp antenna analyzer 20151124 arduino nano 1 k6bez 2 dg7eao 2.
You should also hold the analyzer in a manner similar to how youll hold the ht in use which can make readings difficult and you should. The easiest thing is to connect the tuner to the antenna deedline where it would be if you were using it with your rig. The k6bez antenna analyzer will provide vswr measurements for any antenna from 1 to 30 mhz. After some investigations 2 problems are revealed that could influence the bad swr reading on high bands.
It is best to have bedbug turned on and see what values are measured on the analog ports. It combines a microcontrollereither an arduino or a pic microcontrollerwith an inexpensive direct digital synthesis dds module using an ad9850 chip and a bridge circuit to measure the swr. About hf antenna analyzer the resource is currently listed in in a single category. Upgraded software for the w8teek2zia antenna analyzer. The main category is antenna analyzer manufacturers that is about makers of amateur and professional antenna analyzers. Some time back i built the k6bez antenna analyzer which utilized a cheap ebay dds and and resistive bridge.
This design uses an analog devices direct digital synthesis signal generator and an arduino to sweep the hf bands to find the lowest swr. I replaced the swr bridge circuit with a couple simple diode detectors and used the arduino to compute gainloss in db. Understanding your antenna analyzer first describes antenna analyzers in a general way. The main category is vna vector network analyzer that is about vna vector network analyzer. This link is listed in our web site directory since saturday mar 26 2016, and till today iw2ndh antenna analyzer has been followed for a total of 474. Homebrew arduino ad9850 antenna analyzersweeper k6bezs design duration.
I have a few questions about the schematic and parts before i mess anything up. Its low weight and simple operation make it indispensable for anyone who needs an efficient measuring instrument outdoors for the installation and maintenance of antenna. In summary, there is an unused field that has to be removed for the newer sweeper software and the fwd and rev fields are not used. Palstar also says that you can use the zm3 as a lowlevel signal source. K6bez antenna analyzer ham radio workbench podcast.
Hf antenna analyser kit k6bez ham radio projects with. Aw07a hfvhfuhf antenna analyzer instruction manual 2012. The w8teek2zia antenna analyzer was originally developed as a club project for the milford amateur radio club. During early development it was discovered that using a pic instead of the arduino brought the. Hexbeam sp7idx technology recommends max6 my professional antenna analyser max6 antenna analyzer is not just an ordinary meter for antenna its much more. This is the antenna analyzer i built from hamradio360s project. Aaz0217mx is a simple single board usb antenna analyzer using si5351 signal source generator chip and a return loss bridge, for measurement by a log amplifier ad8307 and a. Jan 19, 2016 hf antenna analyser kit k6bez ham radio projects. The w8tee and k2zia antenna analyzer by jack purdum, w8tee farrukh zia, k2zia this manual was originally written for members of my club, the milford amateur radio club, many of whom had never built a kit before. Cheap antenna analyzer is a tool strong demanded especially by hams beginners. The tenna dipper a low power antenna analyzer and atu tuning aid by kd1jv using just a few mw of output power, this circuit is used to find the 50 ohm resonance frequency of antennas or can be used to adjust an antenna tuning unit for 50 ohm match, without generating qrm antenna tuner, matching network, matchbox, transmatch, antenna tuning. One year ago i was browsing the net and found the jims kw4kd film on youtube, where the very nice and smple builded antenna analyzer was showed. About iw2ndh antenna analyzer the resource is currently listed in in a single category.
For example, what sold me first on the autek va1 and then on the palstar was that they also measured reactance. Hf antenna analyser kit k6bez ham radio projects ham. I started gathering all the parts to go from his schematic and parts list. The resistor is checked with an other analyzer and vna and gives no problems with bad swr even up to uhf. Describe your experience with the vk5jst aerial analyzer and tell us why you give it the rating you did required. Analyzer microcontroller source for pic hamstack and arduino.
This link is listed in our web site directory since friday jan 24 2014, and till today hf antenna analyzer has been followed for a total of 75 times. Please practice handwashing and social distancing, and check out our resources for adapting to these times. Diy antenna analyzers, revisited kb6nus ham radio blog. The core circuitry for the analyser is very simple and is based on the design from beriks k6bez simple antenna analyser pdf. Recently hes shared two projects in our facebook group that combine. There is still a rolloff in the plot when the analyser is unterminated, but vswr is now reported out to 30mhz that correlates with the. Contribute to riyas orgswranalyser development by creating an account on github. The controller is an arduino promini with an atmega328 running on 3. A handy analyzer for installation and maintenance in the field. I use an inductive coupler made from some coil wire around a small 12 inch piece of cpvc, with the coil connected to a bnc connector. Pkaa user manual pdf 1mb antenna analyzer assembly manual rev 108, word doc, 9mb aa parts list pdf aa vfo schematic pdf aa swr bridge schematic pdf. Builtin radio signal meter allows you to work as a wobbuloscope, which significantly increases the range of applications of this instrument. This will return a list of frequencies, vswr and detector voltages. The workbench antenna analyzer project was designed by beric dunn, k6bez.
Measuring swr on small antennas intended for handheld transceivers is tricky as ideally you should use an analyzer that has similar size and internal grounding structure as the ht youll use with the antenna. Jack purdum w8tee, farrukh zia k2zia based on arduino compatible 2560minipro board. Homebrew arduino ad9850 antenna analyzer sweeper k6bez s design duration. Arduino vector graphic antenna analyser dc2wk blog. Hi there, i have now taken the step ive been thinking of for the last 20 years, i contacted the local ham club and asked to take the license test, they responded that they didnt have any courses set up, but that i could get some helt for self studying. I did upload the modified version of your processing code on the yahoo group for k6bez antenna analyzer under vu2spf folder with your original notice, and without adding my info anywhere in the sketch. Swr sweeper a souped up k6bez arduino antenna analyzer. Saved from sites discover ideas about electronics projects. The top line of the screen displays band selection a single letter and the operating. The original author of the software, jack purdum, published the design and code online on the. When setting up a wire i often switch my kx3 to fm mode, hit the tx button, turn the vfo while looking at the meter to find the lowest swr so i can adjust the wire. In its most basic form, an antenna analyzer provides a variable frequency signal source and the means to measure impedance magnitude and voltage standing wave ratio vswr, or just swr.
I also kitted the parts for the antenna analyzer aa, something i will never do again. Antenna analyzer plus is a multifunctional measuring instrument, most useful for amateur radio activity, which can measure phase true complex impedance between the main antennapoles, ranging from. Berics project page can be found at antenna analyser by beric dunn, k6bez. Buy kve60c swr hf vector antenna analyzer meter impedance graphical ham radio. The default baudrate is 57600, 8 bit, 1 stop bit, no handshake.
I have recently been getting into ham radio, and one project i saw was the k6bez arduino based antenna analyzer. This is easiest done with a frequency counter, which is included in an mfj antenna analyzer. Kve60c swr hf vector antenna analyzer meter impedance. Additional accessory connector allow connect external options. I ran into some issue with the code on the arduino, and the code for the sweeper program. He gave some of us in the group a link to some of his progress, so from there i got really interested in doing something more with this dds module. View and download rigexpert aa600 user manual online. Replacement screens free delivery possible on eligible purchases. Frequency and vswr is shown on the built in lcd display. Anyway he is working on a antenna analyzer project, that will be coming out in a future issue of qst. Then put the antenna analyzer on the rig side of the tuner.