Differential measurements with spectrum analyzers and probes. Due to flow, this excited volume is leaving the coil. Multiphase flow metering on its way from nursing to mature technology lex scheers lex. Rf harmonics and spectrum analysers electrical engineering. March 2015 configurations and phase shedding to ensure the converter is operating in an optimal state. The correct calibration coefficients corresponding to the board in use must be entered into the user interface software parameter setup. Multiphase exciter 20a amateurt central electronics. Medengs downhole mpfm is a new product from medeng that uses the same reverse venturi mechanism used in our subsea mpfm. Test and measurement industry is very wide and covers diversified fields such as rf, wireless, optical domain, electronics, electrical and more. Rf power measurements with spectrum analyzer electrical. Central electronics ssb slicers model a, b, dq central. The compressor works but the mm2 has a problem with trace disappearing to one side, maybe just a tube. New wireless technologies such as bluetooth, wlan, wimax and cordless telephones operate in the higher frequency ranges of 2.
Electrical engineering stack exchange is a question and answer site for electronics and electrical engineering professionals, students, and enthusiasts. Designed by wes schum in the late 40s, i look upon wes as the true father of ssb. The winsoft rf analyzer rfa is an intuitive software panel that enables the use of rf pxi modules as a classical, commonly used spectrum analyzer. How to make good rf power measurements electronics weekly. The start of spring brings with it a fantastic auction with a lot of great vintage as well as newer amateur gear, many antique radios including some early crystal and one tube regen sets.
Central electronics mm2 modulation monitor service manual. Automate rf spectrum analyzer test measurements huntron. Only measures amplitudes no phase faster and cheaper than a vna one port vector network analyzer 1 port vna measures both amplitude and phase. Multiphase flow meter flowatch the pietro fiorentini multiphase and wet gas flow meters are non intrusive, inline systems providing real time measurement of oil, water and gas flow rates in the dispersed phase of the flow avoiding the use of large systems.
In addition to running as a standalone, handheld device, rf explorer can be connected to a pc where windows software e. It can also demodulate audio from am and fm signals as well as record raw iq. Your trans mitted rf electronically switches the pattern from receiver to transmitter. As in a traditional singlephase converter, the high and lowside power fets are driven in a complementary manner with a given dutycycle. Keysight offers an innovative family of rf probes that are engineered for incircuit test measurement that can be used with signalspectrum analyzers, signal source analyzers and network analyzers. Today, nuts about nets is a leading innovator of lowcost, diagnostic tools used for installing, optimizing and troubleshooting wireless networks, wireless. The availability of high performance, differential rf. Also featured is some great test equipment, slotted lines and. A multiphase flow meter is a device used to measure the individual phase flow rates of constituent phases in a given flow for example in oil and gas industry where oil, water and gas mixtures are initially comingled together during the oil production processes. Now the author of the android port has created a new app called rf analyzer. Rated as a transition or intermediate level rf analyzer. Only keysight extends the longevity of your spectrum analyzer by enabling you to increase frequency range as your needs evolve. The mdo3000 contains a fullfledged spectrum analyzer with many useful features, including automatic markers, a spectrogram, automatic measurements, and up to 3 ghz realtime capture bandwidth.
We provide full support if required to ensure the project is delivered on time, within budget and fully compliant with the specification. You willif you have software simulation and device design experience with higherfrequency rf insee this and similar jobs on linkedin. Has internal 1kc oscillator which can sync with the display. I would like to get a station together with hro50t1, with slicer, rf analyzer, and gated compresor. It can also demodulate audio from am and fm signals as well as record raw iq samples and scan the spectrum for activity. Due to advent of complex systems test and measurement has become challenge to test the devices with respect to all the parameters before placing in the market. Central electronics mm2 multiphase rf analyzer untested. Rf signal generator, spectrum analyzer measurement questions.
Menlo hiring rf mems device engineer in colonie, new york. Your technical expertise will be central, but in our. The ability to make consistent measurements of rf or microwave power levels is important in the development of radio systems. Making measurements requires an informed choice of equipment and approach, to ensure that the limitations of each does not undermine the validity of the measurements. The topflow user interface software is described in a separate user interface software manual. Somers, ct reasonably priced, prefer the mm2, but will consider the earlier model.
Design of envelope amplifier based on multiphase converter. Armed with the ability to monitor rf signals, detect rf interference and view all rf activity that occurs in your environment, solving wireless problems just got a whole lot easier. During the initial rf pulse, only the fluid volume and associated protons that is. The rfa, combined with pxi modules, functions as a subset of a traditional spectrum analyzer. Introduction i am often asked by researchers what kind of equipment is needed to set up an rf lab. The field electronics is precalibrated and wired in the factory. Clear waves is built upon the success of our awardwinning white space finder rf spectrum analyzer which was the industrys first, pcbased, rf spectrum analyzer to offer automatic charting of open white space open rf frequencies and intermodulation analysis for use with wireless microphones, inear monitors, remote control, security, access. Central electronics 20a franks electron tube data sheets. Mobile well testing with roxar 2600 multiphase meters installed in trucks or fixed well testing installations is a common application. Rf products other analyzers and power meters impedance. Together with touchstone software you now have an rf diagnostic tool unmatched in price and performance. Its modular design and ni labview support enable the integration of new modules as they become available. Introducing the emerson roxar multiphase flow meters 2600 product family based on a modular platform that provides realtime quality threephase flow measurement while keeping costs in. The access rf is a modified version of the huntron access 2 prober.
Rf network analyzers measure the magntude and phase of incident, reflected, and transmitted power three basic types of rf network analyzers. Return to la5ki vintage radio galleries updated january 20th 2002. Some paint loss on right side, a couple marksspots near the rear. Test and measurement rf wireless test and measurement. Earlier this month we posted about a new port of the hackrf software defined radio linux library for android. Their rx sideband slicers were popular as was the multiphase rf analyzer. Supplementary photos of central electronics mm2 multiphase rf analyzer return to top of this page. The adaptation for subsea use involves the following main attributes. With that insight we changed our focus and began developing lowcost, easytouse software and tools for solving the most common problems in wireless communications e.
Fluid flow consultants offers a two multiphase flow programs, simpl2 for pipelines with no loops or branches and gennetm for pipelines and pipeline networks with multiple sources supplies, multiple sinks deliveries and multiple loops. The topflow multiphase meter can be operated as a standalone unit andor interfaced to customers data acquisition system. Rf explorer spectrum analyzer is a very unique device. Data analyzers 18 control software 16 network monitoring 15 signal analyzers 15. Touchstone is used to provide enhanced functionality and data analysis. The compact cyclone multiphase meters are realtime measuring systems for oil, gas, and water flowing from production wells. Nov 17, 2017 introducing the emerson roxar multiphase flow meters 2600 product family based on a modular platform that provides realtime quality threephase flow measurement while keeping costs in check, both. The topflow field electronics is located inside a field electronics enclosure. Today im going to demonstrate the spectrum analyzer capability on the mdo3000 mixed domain oscilloscope. Multiphase exciter 20a amateurt central electronics inc. It has been functionally engineered for maxi mum convenience in analyzing transmitter rf systems and if envelope patterns of received signals. Oct 20, 2014 earlier this month we posted about a new port of the hackrf software defined radio linux library for android. The multiphase meter is supported by fieldwatch software that enable post processing of measurement data to allow for well testing without complete pvt data available at the time of testing the well. The ability to monitor all aspects of your production with a downhole tool represents a breakthrough in the industry.
The history of roxar multiphase flow meters 19811987 1992 19961998 1999 2001 2009 multifluid and fluenta begins early research on multiphase meter technology multifluid and fluenta launches their 1st generation multiphase meters to the market smedvig technologies merges with multifluid and becomes roxar roxar acquires fluenta. Commissioning wavesight can handle every aspect of endtoend system specification, commissioning and installation assistance. Rf analyzer android app for the hackrf softwaredefined radio. The hfw35c has been designed to detect and measure the rf emissions generated within this range. Scope patterns from the central electronics multiphase rf analyzer mm2 manual circa 1956. Merits of multiphase buck dcdc converters in small form factor applications 3 texas instrumnets.
Transmit frequency crystal controlled or with external vfo. Up for sale is a central electronics model mm2 multiphase rf analyzer. Describe your experience with the central electronics 20a multiphasic transmitter sideband genera and tell us why you give it the rating you did required. A matching receiver to the 100 and 200v was built but never produced as new owners cancelled it. The standard probe holder that uses spring probes has been replaced with a special holder for a high quality langer rf probe. Up for sale here is this vintage central electronics mm2 multiphase rf analyzer, from the late 1950s and made in usa. Central electronics mm2 multiphase rf analyzer untested sn b. During the initial rf pulse, only the fluid volume and associated protons that is present in the rf coil at the particular time stamp of the first rf pulse is excited. Rf analyzer is a software defined radio sdr app for android which can be used to view a fft plot and a waterfall plot of the frequency spectrum received by a hackrf or rtlsdr. The model rf d rf demodulator is designed to directly demodulate the rf envelope from your transmitter to a usable signal suitable for feeding the horizontal x input of your oscilloscope.
Central electronics mm2 multiphase rf analyzer with rm adapter installed which allows monitoring the if envelope of a received signal. Nuts about nets was founded in 2006 in the city of redmond, wa well known as a technology center and home to a number of wellknown hightech, biomedical and software companies e. Additionally, the rf d rf demodulator may be used as an am audio modulation monitor yielding a flat. Central electronics mm2 modulation monitor service.
The multiphase model mm2 rf analyzer is a compact 3 oscilloscope with selfcontained cycle audio oscillator. Differential measurements with spectrum analyzers and. The ability to monitor all aspects of your production with a downhole tool represents a. The attenuation setting on the spectrum analyzer needs to be chosen so the entire rf range is overload free, as overloads in the rf frontend would produce harmonics in the first mixer stage, before the selection filter. Agilent 85059a products for sale at test equipment center are thoroughly tested, and receive electrical and cosmetic reconditioning as needed prior to sale. The app is basically a real time spectrum viewer that includes a waterfall display. 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. Compact cyclone multiphase meter ccm phase dynamics. They are used both onshore and offshore for fast, accurate, and reliable well testing. Merits of multiphase buck dcdc converters in small form. How do i use the spectrum analyzer function on the mdo3000. This is sometimes called an rf site survey or wireless survey.
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