You can find n2pk s project page for this instrument here. It is recommended that it be printed for quick reference to the programs and their features. Also refer to the vna documents parts 1 and 2 for vna. Reflection correlation between an n2pk vna and an hp8753c vna this correlation activity was provided by me using my vna and by chip owens, nw0o, using an hp now agilent 8753c vna. The reason for having a programmable attenuator in a vnas test set is to accommodate devices under test that have widely different forward and reverse gains, such as amplifiers. For the ft2000 filters project, i needed vna functionality in the 70 mhz range. The fast adc and 2nd vna detector are part of a larger plan to implement an expanded n2pk vna which would have two receivers detectors and a fullfeatured sparameter test set.
How are the job prospects for rf for a bachelors degree. Designed for unix linux systems, using a national instruments gpib board. Ig minivna is a free program designed to work with the mini vna pro bt antenna analyzer device. Read about element14 hf vector network analyzer performance on. It allows connecting to a high speed usb port on pc instead the parallel port, powering at the same time the vna, plug and play feature. Getting started with the nanovna part 3 pc software. Vna calibration kits and short open load thru solt circuit components ship the same day from irvine, ca. N2pk vna is the very important test equipment that each serious homebrewer must own. This estimate is based upon 5 visiting nurse service of new york project manager salary reports provided by employees or estimated based upon statistical methods. This series of blog posts describes what you can use. The swr meters software is licensed and these downloads are 10 minute demo copies. Software for the control of hp, agilent and keysight vector network analyzer, such as the 8753, 8720 series using gpib. Vna4win windows software for the n2pk vna by gm4pmk and gm3sek vna4win is designed give a windows user interface to the vector network analyser designed by paul, n2pk. The aim is to do this while still providing software support of back level hardware wherever possible.
That is all you need to build a really powerful n2pk vna based on ivans v5. Network analyzer displays multifrequency spectrum type. This is the version that may be loaded directly into the eeprom of the controller and contains code to store hardware parameters in the eeprom. Note that only the port a file format is supported.
Paul kiciak, n2pk has produced a most excellent vector network analyser. Vna saver pc software there is now a variety of pc based software that is available to use with your nanovna. The vector network analyzer developed by paul kiciak, n2pk, covers frequency range of 0. He kindly provided the sources for his gnat and exeter windows programs which i used to develop the vna dsp software. The main category is vna vector network analyzer that is about vna vector network analyzer. The n2pk vna archive also has information how to subscribe to n2pk vna mailing list, so that you could learn from and exchange information with others about hardware builds, troubleshooting techniques, part replacements, software. Contribute to f4gohvnarduino development by creating an account on github.
The common device under test dut was a series rc load, using surface mount components soldered directly to an amphenol sma jack the same type of jack as used. The n2pk vna archive also has information how to subscribe to n2pk vna mailing list, so that you could learn from and exchange information with others about. At the heart of the vna is a dual dds direct digital synthesis, a digital sinewave generator, clocked with the same oscillator. N2pk vna archives m0yom radio amateur, software engineer. Ill add more over time but at the moment the intent is to create a new home for the following. Here you can download all relevant files for vna j application. Subsequent posts will describe the circuit and construction.
If you have not heard about n2pk vna before, i recommend you to read through the set of comprehensive materials available from paul n2pk s web site archive hosted on this site. I dont need lab grade gear, at least for now its just a hobby mostly some basic stuff that will help me learning. Paul kiciak, n2pk has produced a most excellent vector network analyser to go with it, i have produced a usb interface and a gui for windows myvna, but the n2pk is a group effort. This document describes the performance of a diy vector network analyzer known as the n2pk vna. If you have not heard about it, i recommend you read the set of comprehensive materials nicely documented and categorized, which could be found on pauls web site. Here you will find information on my radio projects. Vna vector network analyzer category is a curation of 3 web resources on, myvna, vna4win, nanovna github repository. The resource is currently listed in in a single category. Compatible with vna j of dl2sba, this software runs on win,mac,linux. Vna can be used to analyze reflection and transmission coefficients of circuits at high frequencies. Topics acom 600 acom 2000 acom director downloads amateur radio antennas band pass filters bluetooth cms contesting dxpedition electronics fair isle gps homebrew iota m0yom ms0oxe n2pk vna personal projects raspberry pi software. In the stock configuration, the n2pk will deliver typical dynamic range figures of about 120db over the 60 mhz frequency range.
It is desirable, however, in many cases, to perform measurements at higher frequencies, especially on 2m and 70cm vhfuhf bands which are of great interest for many amateurs. Im the it director for a software company and director and part owner of a web design, hosting and media business. Keysight network analyzer software applications are available for pnax, pnal, pna, ena and usb series network analyzers. Having made the vna communicate over the usb bus my thoughts turned to powering it from the bus.
But, in the ham world, the best vna ever with the most impressive precision and dynamic is definitely the n2pk which could be used with many softwares, including the one made by dg8saq. With about 2 minutes of scraping with a hobby knife the excess solder mask can be easily removed. Vna2180 vector network analyzer by w5big on the menu bar select file save port a graph. General control of the vna, including reflection, transmission, and other common measurements. First, above all, to paul kiciak, n2pk, for producing a most excellent vna design and for help, encouragement, algorithms and advice. However there is a distinct lack of software that will allow you to control the amplifier from the computer. You can screen shot of the program and make comments.
In order to achieve and preserve accuracy, a high quality supply should be used. Using a bridge i still have to build mine, you can also check antennas, something im looking forward to measure. Reflection correlation between an n2pk vna and an hp8753c vna. Paul together with wayne torrey also own the design for the digital filter used for the harmonic mode filtering ivan makarov ve3ivm similarly needs to be thanked for his suggestions, testing. For example, im currently working on open source software for the n2pk vna i have a working prototype already, and there are still a few outstanding design questions. N2pk vna 1 im james, a radio amateur, software engineer and professional geek. At one moment i was almost ready to start building the n2pk one. Pasternack vna network analyzer calibration kits and solt circuits are in stock over 99%. The design described here is known as the n2pk vna implementation. The vna described here is known as the n2pk vna, but the techniques and results discussed are relevant to.
Dave gave stepby step instructions how to use his usb configuration utility to program the eeprom for operation as an n2pk vna usb interface. I have built a working vna from this batch of boards. It gives you the ability to directly measure all of the key parameters of twoport networks, such as gain and return loss. In order to use the ltc2440 chip, you will also need an extra pullup resistor which is not part of the historic n2pk parts list. The n2pk is good to 60 mhz but then it quickly rolls off. The minivna pro, the big brother of the wellknown minivna, is an extraordinary and unique handheld vector network analyzer that makes available a multitude of features and capabilities which are perfect for checking antennas and rf circuits for hams and commercial users. This series of blog posts describes what you can use a vna for and how the vna internally functions. Rune originally developed the software as a way to save touchstone files from. The software has that option so that makes it easy.
Kit will be sent in safe envelope as registered priority shipment along with schematics etc. Today, network analyzers commonly measure sparameters because reflection and transmission of electrical networks are easy to measure at high frequencies, but there are other network parameter sets such as yparameters, zparameters, and hparameters. N2pk vna not your dads grid dip meter the story of my implementation of the n2pk vna. Visiting nurse service of new york project manager salaries. Putting them into a file and referencing them from vna software is a good idea. Vna4win windows software for the n2pk vna by gm4pmk and gm3sek.
I recently picked up an unbuilt n2pk vna kit and am wondering if it is worth building because it has a. This is a poor wrapper for all of the vna accuracy, and flexibility, but it was easy to do. Its only a tr vna but ive developed a method to get good 2 port s parameter data from it. You can calivrate the device using openshortload for accurate results, you can set up the frequency range, define the bandwidth and choose the plotter mode. To make them fully operational requires a user name and password.
There are also instructions how to load the drivers. All n2pk vna software that supports usb will work with the v5. For this 070 db step attenuator, i have a bunch of very nice teledyne j412 dpdt to5 relays that have high isolation, low swr, and are specified for use to 1 ghz. At the m0xxtm9x station we use 2 acom 2000 amplifiers, these are excellent amps and importantly they have the capability to be computer controlled. However, this involves mucho swapping of connections and use of attenuators for the s21 and s12 measurements. He kindly provided the sources for his gnat and exeter windows programs which i used to develop the vnadsp software. A quick check with a multimeter showed that the vna only took about 200ma from its 5 v supply. On the left is a menu bar that provides access to my current interests. To first find out what measurements a vna can perform as a black box connected to a deviceundertest dut, see hf vector network analyzer some measurement examples. The parameters are important, such as the master oscillator frequency, but they do not tend to change often. The standards described above are intended for use with n2pk vna.
Some of the addressees have already received the n2pk vna, vector network analyzer, announce message some time ago. Dosbased programs from paul n2pk can not work with the v5 board because they use parallel port type of interface which is not supported by the v5 board. For technical questions, the builder needs to ask on the primary n2pk vna yahoo mailing list. In this post, i will be demonstrating nanovnasaverversion 0. Vector network analyzer vna are used to measure scattering parameters of high frequency circuits. Once your detector 1 supplies the data to the vna program, connect j360, run the program again and make sure it sees the detector 2. For more information, check out the yahoo group page. In the early days of amateur radio, most amateurs built, and often designed, all aspects of their station. To go with it, i have produced a usb interface and a gui for windows myvna, but the n2pk is a group effort. And one user i know, uses some simpe extra hw to get over 10ghz.
To verify the dds functionality, hook up a counter or a scope to j170 rf dds, j120 or j180 lo dds. Complete zipped document inyahoo files contains schematic diagram, pcb layers with silk screens in pdf. You can find n2pks project page for this instrument here. The homebrewed bnc standards are perfectly fine for the n2pk vna with its max 60 mhz frequency, but i would not use such diy kit with commercial ghz vnas. The information here describes how a vector network analyzer vna can internally function. During the build of the band pass filters it has become obvious that my little minivna is just not up to the job. This file is a collection of namevalue pairs that set parameter values used by vna software. This allows you to generate two sine waves of the same frequency, and set the.
Vector network analyzer vna calibration kit and short open load thru circuit products ship same day worldwide. The information here describes how to use a vector network analyzer attached to some example components or component networks, and how to interpret the measurement results. For more information, check out the yahoo group page you can get a feel for myvna from the manual. On the pictures below you can see my test rig which consists of the usb board and n2pk vna with. Click the desired software s title to download all the nnnn pc vision software is fully operational and free to download. If you have not heard about it, i recommend you read the set of comprehensive materials nicely documented and categorized, which could be. Run the software and watch the signal changed once you vary it from the software. The n2pk web site was shut down in april 2020 and all information was transferred to this site in a form of browsable archive on behalf and with permission of the owner, paul kiciak, n2pk. Since i introduced on the web site my implementation of n2pk vector network analyzer project i received several inquires about the possibility of supplying it. This link is listed in our web site directory since wednesday jan 28 2009, and till today n2pk vector network analyzer has been followed for a total of 1125 times.
Software product keys as used in myvna by dave g8kbb as many of the warc members will know because ive bored you with talks on the subject i have had great fun for several years writing vector network analyser vna software for the most excellent n2pk vna by paul kiciak. I believe this is mainly due to the somewhat complex control protocol. The object is to provide complex impedance measurements and the ability to adjust antenna tuners at very low power levels 1 uw is typical. New design of vna power supplies more than one year ago i offered first version of power supply for n2pk vector network analyzer. Softrockrocky vna info v1c overview reflection vna measurements can be done with some appropriate software control and display and small hardware changes to a softrock rxtx rig. N2pk vna m0yom amateur radio operator, software engineer. I received a great deal of information from greg w8wwv regarding some of the complex math involved dealing with the analyzer computations and calibration. Using the same construction method but using different connector sma or n type will yeld better accuracy with dg8saq vnwa.
See alternatives wired and wireless network analysis software by tamosoft tamosoft develops cuttingedge security and network monitoring software for the internet, lans, and wlans, providing clients with the ability and confidence to. The n2pk software uses a configuration file named vna. Network analyzer software tools enable you to investigate, characterize, and troubleshoot your designs in a variety of measurement applications. The information is useful for those interested in constructing and working with the n2pk vna, but is also useful to all vna users, since an understanding of how a vna could function accelerates ones understanding of how to use any vna. Acom 2000 control software m0yom radio amateur, software. After evaluation, i am offering to radio amateurs either assembling and testing service of the vna pcb boards or ready to use boxed version including osl calibration kit, measurement. Im also looking for collaborators either on this project, or on related projects, either to help with development or even just to discuss design approaches. Hello ive looked at all the above vna s they are quite nice. Software download our updated software for our vna, tdr, or swr meters. These programs do not replace the original n2pk software, available from n2pk s web site. Diy vector network analyzer adafruit industries makers. This page is about my implementation of the n2pk vector network analyzer vna, which is a lab quality instrument designed by paul kiciak, n2pk. This instrument uses the vna rf board by paul n2pk.
Software product keys as used in myvna by dave g8kbb. Because of this after some advice from bob 5b4agn i will be embarking on building one of these its an n2pk vna, a very accurate vna, i suspect i will be unable to beat. An unofficial modification to the venerable n2pk vna. Together with your pclaptop, you can add to your laboratory the further advantages of having this firstclass vna instrument. A network analyzer is an instrument that measures the network parameters of electrical networks.