This is the system used in the shibasoku 725 series and the hp 339a. Our model 6900b is the first and only fully automatic distortion analyzer to provide an easy solution to your distortion and ac voltage measurements needs over the frequency range from 5hz to 1mhz. Hp 8903b audio analyzer hp 8903e distortion analyzer 20 hz to 100 khz technical specifications the versatile choice for audio analysis flatness supplemental characteristics typical flatness of source and analyzer combined source voltage set to 1 v, 1 khz reference. Yes it is, but what happens is the software measure the magnitude of the 1khz signal and then measures everything else in relation to this magnitude thus giving the relative distortionnoise level. The results are displayed on two shibasoku automatic distortion analysers.
This unit is capable of measuring distortion on 120db 0. Sa is an instrumentindependent, traceable 3d graphical software platform that makes it easy for users to integrate data from multiple instruments and perform complex tasks simply, ultimately improving productivity. Guest video karl adams audio distortion measurement youtube. If the simplified version option is selected, the distortion. Here we have the kenwood fl180a wow and flutter meter.
I think ill make it open source, because im not capable of making the firmware for it, but i can design the analog front end and adc interface, and well the hardware in general. The icon is used to wire the distortion analyzer to the circuit. Dual channel measurement, simultaneously or separately. It is particularly suitable for development work because with it the character and type of distortion can be determined at the same time the distortion is being measured. High performance the model 7600 distortion analyzer is unlike any other product of its kind on the market. Instrument reads distortion directly in percent of total signal or in decibels below total signal 100% higher sensitivity of new analyzer allows set level 100% or 0 db to be placed on 0. A color keyed, persistent plotting engine that can display data in either the time or frequency domain. The figure measured will include noise, and any contribution from imperfect filtering out of the. Professional audiovideo instruments 2014 shibasoku. A total harmonic distortion analyzer calculates the total harmonic content of a sinewave with some distortion, expressed as total harmonic distortion thd. Here you can expect to find a definition of distortion and a stepbystep description of how to set the distortion analyzer in. The shiba soku ad725d automatic distortion analyzer is an extremely accurate instrument capable of measuring thd and 2nd to 5th harmonics of fundamental frequencies from 4hz to 110khz.
Average and peak distortion measurements are made on all types of startstop and synchronous signals regardless of code level or stop length. The plotting of distortion versus angles can be obtained easily. Hp 8903b audio analyzer hp 8903e distortion analyzer. You can use it to measure distortion ratios as low as, 0001 %.
Usage of distortion analyzer precise analysis of distortion aberration of a lens component. Voltage scale is separated into 12 ranges, instantly accessible by a large rotary selector. This type of electronic test equipment is for applications such as measuring an electronic filters effectiveness. Hewlettpackard warrants that its software and firmware designated by hp for use with an instrument will execute its. The agilenthp 334a distortion analyzer covers 5hz to 600khz frequency range. Update 42011 larry burk asked me a good question about an attenuator for the input, for the case of testing power amps at high levels.
The qa401 is our second generation of audio analyzerthe followon product to the qa400. This is the system used in the shibasoku 725 series and the hp 339a, among others. The development of diana, an acronym for distortion analyser, dates back to. Digitech 2650 portable distortion analyzer data telepgraph. We plan to use this with custom software and using the national instruments gpibusbhs adaptor. Download spatialanalyzer is the premier portable metrology software solution for largescale applications. Matsolutions offers a number of audio distortion analyzers to help you characterize your components, ics, devices, and systems. Some of our products, such as the qa350, are open source. Products used in defence production under rfmicrowave. Ive been a software person for the past few decades, specializing in instrumentation and control systems in general.
Simply feed receivers audio into your sound card auxline or mic input. Lamps indicate the type of distortion measured, marking or spacing. Im playing around with making a highly capable distortion analyser 0,0002% thd measurement floor. A typical application is to determine the thd of an amplifier by using a verylowdistortion sinewave input and examining the output. The 8903e combines the functionality of a high performance distortion analyzer, frequency counter, ac voltmeter, dc voltmeter and. Set transmitter or rf signal generator to desired frequency, modulated with 1khz tone. Choose from automatic, fully automatic, programmable, or. Kenwood va2230, kenwood va2230, audio analyzer as photo, sn0030, for part not working, d. The amount of distortion is displayed on the front panel meter which is calibrated from 050% in 2% increments. This fully automatic distortion analyzer is ideal for both precision laboratory measurements and routine production testing. Tx20cx video signal analyzer 18 nia lowjitter 32 bit frequency divider 19 ni300a beam tuning for accelerator 20 ni500a down convertor 20 am51c audio analyzer 21 am50c audio analyzer 21 ah979h distortion meteroscillator 22 ag15c programmable low distortion oscillator 22 pa15b1 ultra low noise dc power source 22 enensys products 23.
Apart from just an acronym for distortion analyzer, is it yet another software tool. Meets specifications for type aa soia distortion analyzer. Distortion analyzer 2 is the hardware platform for the measurement modules performing the generation, acquisition and digital signal processing in real time. Windows 10 compatible the fast, easy way to align radio communications receivers. The analyzer can be operated as a standalone unit by using the key pad and the display.
Audio signals suffer some distortion when they pass through electronic circuits. An analog output provides a dc voltage proportional to. The shibasoku ad725d automatic distortion analyzer is an extremely accurate instrument capable of measuring thd and 2nd to 5th harmonics of fundamental frequencies from 4hz to 110khz. It is very helpful for designing lenses and take the field distortion during a parametric optimization into account. This distortion signal can be used for additional analysis with an oscilloscope or spectrum analyzer. Comtekk sinad distortion analyzer comtekk software. Using my pcs intel high definition audio chipset sound input and the arta spectrum analyzer software, i was able to see a. A simple notch type harmonic distortion analyzer 1 by kenneth a.
Unlike with a thd analyzer, the spectrum analyzers measurement floor isnt determined by the depth of the null of the fundamental, so you really can see extremely low levels of distortion. Github, recently purchase by microsoft, is where collaborative software is developed. In many distortion analyzers, the fundamental and an inverted exact copy are precisely. Guest video karl adams audio distortion measurement. Distortion analyzer the distortion analyzer measures total harmonic distortion thd or signal plus noise and distortion sinad to place the instrument, click the distortion analyzer button in the instruments toolbar and click to place its icon on the workspace. Follow alignment procedure in service manual, adjusting for maximum sinad reading.
Sper scientific 840012 detachable probe sound level meter db 9v. This is a compromise tuning for a wide range of freqs. Wolfgang klippel, the novel techniques developed for control and measurement systems of loudspeakers and other transducers are the result of over 30 years of fundamental research. About us klippel is an innovative leader in providing unique test equipment for electroacoustical transducers and audio systems. Total harmonic distortion thd is one of the most common and important specification in the audio measurement, which is used to describe the ability of the device to accurately reproduce an input signal at its output. Message board asacashlbasoku 725 automatic distortion analyzer general discussion this versatile instrument works both as a distortion analyzer and as a high performance distortion meter. Dssf3s thd analyzer is designed for measuring the distortion of inputoutput systems, like an amplifier and a soundcard. Learn how to perform voice over lte voice quality tests with an audio analyzer enable javascript to view videos. We encourage you to tweak and modify as you see fit. Nti audio minirator mr2 handheld audio tone generator. Using the latest digital techniques and optimally designed analog front end, the model 7600 outperforms any other distortion analyzer on the market today. The keysight 8903e distortion analyzer provides unparalled versatility and performance for audio measurements from 20 hz to 100 khz. Hp references in this manual this manual may contain references to hp or hewlettpackard.
Please note that hewlettpackards former test and measurement, semiconductor products and chemical analysis. The following posts describe modifications to the shibasoku 725b and 725c distortion analyzer. Shibasoku the am51c series audio analyzer is a multi function audio analyzer which combines extralow distortion rate measurement. Of course automatic tuning still offers the needed stability for deep nulls.
The scope of the mods are intended to improve the residual distortion and noise of the normal analyzer section with respect to the normal monitor output port and the front panel meter of the 725c. The qa401 can perform a wide range of basic audio measurements, making it a costeffective addition to your bench. Ymec software thd total harmonic distortion analyzer. Complies with ccir strument interface guide 070478800. New in box rare vintage radioshack 332055 digital sound level meter manual. Find agilent, panasonic, and boonton for sale on machinio. A two channel spectrum analyzer module that can perform ffts, cross correlations and fhts transforms on time domain data.
Distortion is a vital aberration to consider in lens design. We sell used and refurbished distortion analyzers in excellent condition at competitive prices. Diy open source distortion analyser programmer wanted. The model 320a distortion analyzer is a simple and convenient device for studying and measuring the harmonic distortion in audio frequency apparatus. Virtuallab fusion provides a specific analyzer for the distortion of an optical system that yields the standard representation of distortion versus angle. The model 6900b provides a distortion output signal which is the input signal after the fundamental is removed. The shibasoku am50b is a dual channel audio analyzer with frequency renge 10hz to 109. The shibasoku ad725d automatic distortion analyzer is an extremely accurate instrument capable of measuring thd and 2nd to 5th harmonics of fundamental.
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