Here you can find all tricks and responses for your applications the new minivna pro2 is in production and sobstitute the well know minivna pro. W8wwv n2pk vna software contributions seed solutions. 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. The tektronix ttr500 series 2port, 2path vector network analyzer gives rf design and validation engineers, education professionals, and manufacturing organizations the ability to accelerate their timetomarket by reducing prototype iterations and making everyday measurements with accuracy and confidence. Unarco pallet racking is the heart of the vna system providing tight tolerances and strong connections to help maintain every available inch of storage capacity. Software vna and microwave network design and characterisation also provides both device and circuit simulators powered by the analytical formulae presented in the book. In the stock configuration, the n2pk will deliver typical dynamic range figures of about 120db over the 60 mhz frequency range. The information here describes how a vector network analyzer vna can internally function.
You dont need any special tools, just a steady hand, and a good soldering station. Measuring impedance electrical engineering stack exchange. Hi matt, good question, it gets a little confusing to those that dont liveandbreath this stuff. Software for the control of hp, agilent and keysight vector network analyzer, such as the 8753, 8720 series using gpib. Adding a six db pad on each side of the dut improves this correlation to better than 0. 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 development station build stub filters ts990s web development windows 10. Copy complete standard or class in vna cal kit manager. Here 21 popular 8720, 8753, network analyzer, calibration sites such as vna help microwave network analyzer measurement information.
N2pk vna not your dads grid dip meter the story of my implementation of the n2pk vna. Here you can download all relevant files for vnaj application. Instead of adding negative offset to move the reference plane back to the mating surface of the vna s test port connector, it is accepted that the plane is right at the rear surface of the calibration. Compare n5245b pnax microwave network analyzer, 900 hz10 mhz to 50 ghz. The accuracy, speed and reach or these vna fork trucks allows for smaller warehouse aisles and maximum use of space. Compact usb vector network analyzer anritsu america.
Also, there are more than 4000 people in our yahoo group. It gives you the ability to directly measure all of the key parameters of twoport networks, such as gain and return loss. 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. 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 1127 times. These programs do not replace the original n2pk software, available from n2pks web site. Having made the vna communicate over the usb bus my thoughts turned to powering it from the bus. 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. Rf engineering to assist in solving problems with transmission lines and matching circuits. 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. Pc boards are available, including windows software developed by ian g3sek. The book consists of chapters on network analysis theory and network parameters, installation and functions of the software, builtin device models, circuit design and.
Electrical schematic software freeware free download. I present here the different steps of my n2pk vna construction, illustrated by some. A quick check with a multimeter showed that the vna only took about 200ma from its 5 v supply. Im the it director for a software company and director and part owner of a web design, hosting and media business. He has made a wonderful contribution to home experimenters with this excellent circuit design. Subsequent posts will describe the circuit and construction. Electrical schematic software, free electrical schematic software freeware software downloads. A vector network analyzer vna measures the magnitude and phase of an electrical network, like a filter or amplifier. Reach for unrivaled excellence with keysight pnas compare series.
The aim is to do this while still providing software support of back level hardware wherever possible. For more information, check out the yahoo group page. User friendly free software interface for pc windows xp vistawin7 linux and mac java jre6 based by dl2sba, see. To go with it, i have produced a usb interface and a gui for windows myvna, but the n2pk is a group effort. An11535 measurement and tuning of a nfc and reader ic. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. A synthesized signal source that is voltage andor software controlled. Please make sure that i am not affiliated anyhow with suppliers or distributors of the board, just want to mitigate a suffer of your family budget caused by your adherence to.
These programs do not replace the original n2pk software, available from n2pk s web site. This is a poor wrapper for all of the vna accuracy, and flexibility, but it was easy to do. This series of blog posts describes what you can use a vna for and how the vna internally functions. Note that if you want to use the usb interface with exeter, you will need. The measurement of the phase change through the device is the hard part, and the fact that we get both the magnitude amplitude change and phase change allows us to plot this on. 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 use, etc. The measurement of the phase change through the device is the hard part, and the fact that we get both the magnitude amplitude change and phase change allows us to plot this on a polar plot, and each point can be thought of. General control of the vna, including reflection, transmission, and other common measurements. Giancarlo moda, i7swx, wrote an article in the april 2004 issue of radio rivista, an italian publication, titled il vector network analyzer di n2pk. I usually run my own application software on my trusty macbook. The v5 pcb is the result of logical development of the project and trends in the computer industry. Jun 28, 2018 download vector network analyzer vna for free.
I then ordered the valpeyfisher oscillator to eugene skopal ae2f have a look at the n2pk group on the web and most of the passive and active components to digikey. This allows you to generate two sine waves of the same frequency, and set the. This page is about my implementation of the n2pk vector network analyzer vna, which is a lab quality instrument designed by paul kiciak, n2pk. Our software development environment has been created to make it easy to spit out boilerplate programs with companion installationremoval. User friendly free software interface for pc windows. The n2pk vna frequency range can be extended by using transverters. This allows you to generate two sine waves of the same frequency, and set the phase offset between the two signals yourself. This correlation activity was provided by roger blackwell, g4pmk, using his n2pk vna and an hp now agilent 4195 vna. 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.
Ive been building up a n2pk vna over the past several months. Vna vector network analyzer category is a curation of 3 web resources on, myvna, vna4win, nanovna github repository. The application jar for the gui and headless application can be downloaded from here as usual. First batch will be avaiable in second mid of june. This web page documents an addition to an n2pk vna for standalone use. In order to achieve and preserve accuracy, a high quality supply should be used. N2pk vna is the very important test equipment that each serious homebrewer must own. Designing a crystal ladder bandpass filter hackaday.
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. Dec 06, 2010 in the n2pk vna at least with the original software the reference plane is assumed to be where the physical osl calibration takes place. It gives you the ability to directly measure all of the key. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. N2pk amateur radio projects page paul kiciak n2pks amateur radio projects page. Display negative impedance smith chart with 1s conversion. Vna systems reduce labor costs, product damage and picking errors. About n2pk vector network analyzer the resource is currently listed in in a single category. A network analyzer is an instrument that measures the network parameters of electrical networks. The design described here is known as the n2pk vna implementation. The series benefits from patented shockline vnaonchip technology that simplifies the internal vna architecture at high frequencies, reduces instrument cost, and enhances accuracy and. Ivans new pcb for the n2pk and his transverter design plus software and other goodies.
A design is presented by n2pk in his documentation which has both quality and protection. The two ports of the device under test dut are denoted port 1 p1 and port 2. The shockline ms46122b series consists of three pccontrolled, compact vector network analyzers vnas with frequency ranges from 1 mhz to 82043. I chose the n2pk vna project for laboratory and antenna measurements due to its superior design, reliability and no less. 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. An11535 measurement and tuning of a nfc and reader ic antenna. The main category is vna vector network analyzer that is about vna vector network analyzer. The common device under test dut was a hp 8491a 20 db attenuator with n connectors sn 400049. There are also instructions how to load the drivers. Dave gave stepby step instructions how to use his usb configuration utility to program the eeprom for operation as an n2pk vna usb interface. Ttr500 series vector network analyzer vna tektronix.
But in the end it was found that these design objectives in fact intersect, and the. You dont have to spend a million dollars do get a decent vna. If you have not heard about n2pk vna before, i recommend you to read through the set of comprehensive materials available from paul n2pks web site archive hosted on this site. Compare n5247b pnax microwave network analyzer, 900 hz10 mhz to 67 ghz. The vector network analyzer vna can provide a lot of knowledge about a.
This document describes the performance of a diy vector network analyzer known as the n2pk vna. Ive used the tool to check antenna vswrs across the whole operating range in the field and it it never has a miss. N2pk vna m0yom amateur radio operator, software engineer. Paul kiciak, n2pk has produced a most excellent vector network analyser. Designed for unix linux systems, using a national instruments gpib board. On the pictures below you can see my test rig which consists of the usb board and n2pk vna with. Paul, n2pk and ivan, ve 3 ivm developed two transverters in order to cover the 2m and 70 cm amateur bands.
Vnaview is a fullfeatured vna application including calibration management, linear and log scanning, analysis and graphing of many computed parameters, smith chart, rlc network fitting, and exporting data to tabdelimited text files. At the heart of the vna is a dual dds direct digital synthesis, a digital sinewave generator, clocked with the same oscillator. For more information, check out the yahoo group page you can get a feel for myvna from the manual. Since its labview, all the diagrams source code are there. Vna storage systems unarco pallet rack and warehouse. May 06, 2018 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. The n2pk is extrememly powerful, and if you only have to measure up to 60 mhz the dynamic range goes up to roughly 120 db. A simple narrowband transverter extends n2pk vna frequency range to. Hf vector network analyzer performance element14 wireless. Mar 02, 2006 a vector network analyzer vna measures the magnitude and phase of an electrical network, like a filter or amplifier. The software application my vna by dave roberts g8kbb. N2pk has better accuracy but only hf range, vna2180 stands out in its robustness, the stronger rf output with surge arresters, easy to calibrate and user friendly software.
Paul kiciak, n2pk says on his website about his vector network analyzer. A few days later, i received an envelope with three beautiful pcbs the vna and two coupler boards. Since the project published several years ago, hundreds of n2pk vna have been built around the world for amateur and professional use, giving testimony of its excellent performances. 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. The correlation to the hp vna of the n2pk vna without pads is less than 0. The vector network analyzer vna can provide a lot of knowledge about a device under test dut, including its magnitude, phase and group delay response. Frequency translation done by the transverter is transparent to the vna software. Hf vector network analyzer theory of operation element14. One of the most desirable instruments in the rf engineers arsenal is a vector network. To first find out what measurements a vna can perform as. It can then show port impedances on a smith chart as well as the insertion loss or gain. This is a homebrew vna capable of both transmission and reflection.
That is all you need to build a really powerful n2pk vna based on ivans v5. Clicking save data opens a dialog box to allow you to save the measurement results as a. A less common use would be to make a bandpass filter bpf for. 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. Both transverters share exactly the same design and pcb with only a few differences in the bom the.
Here you can download all relevant files for vna j application. 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. For the ft2000 filters project, i needed vna functionality in the 70 mhz range. Vna4win windows software for the n2pk vna by gm4pmk and gm3sek after at least one sweep has been completed, the save data button will appear when the sweep is stopped. An unofficial modification to the venerable n2pk vna. Some of the addressees have already received the n2pk vna, vector network analyzer, announce message some time ago. Most hobbyists use crystals as an external clock signal for a microcontroller. 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. It is not only a vna but also a lab in a box that can perform others functions since it incorporates dual dds generators and dual detectors. 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. A vna is a test system that enables the rf performance of radio frequency and microwave devices to be characterised in terms of network scattering parameters, or s parameters. Ig minivna is a free program designed to work with the minivna pro bt antenna analyzer device. The n2pk is good to 60 mhz but then it quickly rolls off. The resource is currently listed in in a single category.
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