N2pk vna software engineering

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. The information here describes how a vector network analyzer vna can internally function. The design described here is known as the n2pk vna implementation. 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. 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. This allows you to generate two sine waves of the same frequency, and set the. It can then show port impedances on a smith chart as well as the insertion loss or gain.

The book consists of chapters on network analysis theory and network parameters, installation and functions of the software, builtin device models, circuit design and. Display negative impedance smith chart with 1s conversion. Jun 28, 2018 download vector network analyzer vna for free. The diagram shows the essential parts of a typical 2port vector network analyzer vna. Ig minivna is a free program designed to work with the minivna pro bt antenna analyzer device. Some of the addressees have already received the n2pk vna, vector network analyzer, announce message some time ago. This series of blog posts describes what you can use a vna for and how the vna internally functions. Ive used the tool to check antenna vswrs across the whole operating range in the field and it it never has a miss.

The v5 pcb is the result of logical development of the project and trends in the computer industry. The vector network analyzer vna can provide a lot of knowledge about a. This correlation activity was provided by roger blackwell, g4pmk, using his n2pk vna and an hp now agilent 4195 vna. A vector network analyzer vna measures the magnitude and phase of an electrical network, like a filter or amplifier. 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. Since its labview, all the diagrams source code are there. I present here the different steps of my n2pk vna construction, illustrated by some. 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.

The insertion loss and phase of these pads are both accounted for in the vna calibration and, hence, are not part of the dut. This is a homebrew vna capable of both transmission and reflection. Dave gave stepby step instructions how to use his usb configuration utility to program the eeprom for operation as an n2pk vna usb interface. Rf engineering to assist in solving problems with transmission lines and matching circuits. 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. I usually run my own application software on my trusty macbook. It gives you the ability to directly measure all of the key parameters of twoport networks, such as gain and return loss. You dont have to spend a million dollars do get a decent vna. Ive been building up a n2pk vna over the past several months. 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. 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. Vna vector network analyzer category is a curation of 3 web resources on, myvna, vna4win, nanovna github repository. 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.

Both transverters share exactly the same design and pcb with only a few differences in the bom the. 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. Designing a crystal ladder bandpass filter hackaday. General control of the vna, including reflection, transmission, and other common measurements.

Vna storage systems unarco pallet rack and warehouse. N2pk amateur radio projects page paul kiciak n2pks amateur radio projects page. About n2pk vector network analyzer the resource is currently listed in in a single category. 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. Subsequent posts will describe the circuit and construction.

A simple narrowband transverter extends n2pk vna frequency range to. Having made the vna communicate over the usb bus my thoughts turned to powering it from the bus. Ivans new pcb for the n2pk and his transverter design plus software and other goodies. Here 21 popular 8720, 8753, network analyzer, calibration sites such as vna help microwave network analyzer measurement information. This web page documents an addition to an n2pk vna for standalone use. An11535 measurement and tuning of a nfc and reader ic antenna. Hi matt, good question, it gets a little confusing to those that dont liveandbreath this stuff. The shockline ms46122b series consists of three pccontrolled, compact vector network analyzers vnas with frequency ranges from 1 mhz to 82043. The main category is vna vector network analyzer that is about vna vector network analyzer. 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. This is a poor wrapper for all of the vna accuracy, and flexibility, but it was easy to do. I chose the n2pk vna project for laboratory and antenna measurements due to its superior design, reliability and no less. The common device under test dut was a hp 8491a 20 db attenuator with n connectors sn 400049.

A network analyzer is an instrument that measures the network parameters of electrical networks. Compact usb vector network analyzer anritsu america. 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. 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. N2pk vna m0yom amateur radio operator, software engineer. Pc boards are available, including windows software developed by ian g3sek. 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.

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. An11535 measurement and tuning of a nfc and reader ic. 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. In order to achieve and preserve accuracy, a high quality supply should be used. 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. The n2pk vna frequency range can be extended by using transverters. Compare n5245b pnax microwave network analyzer, 900 hz10 mhz to 50 ghz.

To first find out what measurements a vna can perform as. He has made a wonderful contribution to home experimenters with this excellent circuit design. Most hobbyists use crystals as an external clock signal for a microcontroller. 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. The two ports of the device under test dut are denoted port 1 p1 and port 2. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. Note that if you want to use the usb interface with exeter, you will need. User friendly free software interface for pc windows xp vistawin7 linux and mac java jre6 based by dl2sba, see. This document describes the performance of a diy vector network analyzer known as the n2pk vna. N2pk vna not your dads grid dip meter the story of my implementation of the n2pk vna. 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. First batch will be avaiable in second mid of june. For the ft2000 filters project, i needed vna functionality in the 70 mhz range.

Paul, n2pk and ivan, ve 3 ivm developed two transverters in order to cover the 2m and 70 cm amateur bands. These programs do not replace the original n2pk software, available from n2pks web site. Clicking save data opens a dialog box to allow you to save the measurement results as a. The resource is currently listed in in a single category. Adding a six db pad on each side of the dut improves this correlation to better than 0. User friendly free software interface for pc windows. 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.

N2pk vna is the very important test equipment that each serious homebrewer must own. 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. A few days later, i received an envelope with three beautiful pcbs the vna and two coupler boards. 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 application jar for the gui and headless application can be downloaded from here as usual. Software vna and microwave network design and characterisation also provides both device and circuit simulators powered by the analytical formulae presented in the book. Ttr500 series vector network analyzer vna tektronix. W8wwv n2pk vna software contributions seed solutions.

In the stock configuration, the n2pk will deliver typical dynamic range figures of about 120db over the 60 mhz frequency range. For more information, check out the yahoo group page. At the heart of the vna is a dual dds direct digital synthesis, a digital sinewave generator, clocked with the same oscillator. Paul kiciak, n2pk has produced a most excellent vector network analyser. A quick check with a multimeter showed that the vna only took about 200ma from its 5 v supply. The accuracy, speed and reach or these vna fork trucks allows for smaller warehouse aisles and maximum use of space. Mar 02, 2006 a vector network analyzer vna measures the magnitude and phase of an electrical network, like a filter or amplifier. Software for the control of hp, agilent and keysight vector network analyzer, such as the 8753, 8720 series using gpib. 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. This allows you to generate two sine waves of the same frequency, and set the phase offset between the two signals yourself.

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. Reach for unrivaled excellence with keysight pnas compare series. 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. Electrical schematic software freeware free download. Paul kiciak, n2pk says on his website about his vector network analyzer. It gives you the ability to directly measure all of the key. Im the it director for a software company and director and part owner of a web design, hosting and media business. To go with it, i have produced a usb interface and a gui for windows myvna, but the n2pk is a group effort. An unofficial modification to the venerable n2pk vna. But in the end it was found that these design objectives in fact intersect, and the. Vna systems reduce labor costs, product damage and picking errors. The n2pk is good to 60 mhz but then it quickly rolls off. 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.

Measuring impedance electrical engineering stack exchange. Giancarlo moda, i7swx, wrote an article in the april 2004 issue of radio rivista, an italian publication, titled il vector network analyzer di n2pk. Hf vector network analyzer performance element14 wireless. You dont need any special tools, just a steady hand, and a good soldering station. 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. A less common use would be to make a bandpass filter bpf for. Our software development environment has been created to make it easy to spit out boilerplate programs with companion installationremoval.

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. 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. One of the most desirable instruments in the rf engineers arsenal is a vector network. A synthesized signal source that is voltage andor software controlled. That is all you need to build a really powerful n2pk vna based on ivans v5. This page is about my implementation of the n2pk vector network analyzer vna, which is a lab quality instrument designed by paul kiciak, n2pk.

Compare n5247b pnax microwave network analyzer, 900 hz10 mhz to 67 ghz. There are also instructions how to load the drivers. The n2pk vna is also discussed in the 4th edition of lowband dxing by john devoldere, on4un, and is available from arrl and rsgb. The aim is to do this while still providing software support of back level hardware wherever possible. Here you can download all relevant files for vna j application. Frequency translation done by the transverter is transparent to the vna software. The software application my vna by dave roberts g8kbb. The series benefits from patented shockline vnaonchip technology that simplifies the internal vna architecture at high frequencies, reduces instrument cost, and enhances accuracy and. 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. 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. Electrical schematic software, free electrical schematic software freeware software downloads. A design is presented by n2pk in his documentation which has both quality and protection. 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.

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. Hf vector network analyzer theory of operation element14. These programs do not replace the original n2pk software, available from n2pk s web site. 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.