Adjust the volume control for 2v output on distortion meter read. Dis tortion in the electro acoustic transduc ers, while typically several orders of magnitude greater, has often been ne. Automatic distortion meter mak6571 meguro electronics corporation. Hp references in this manual this manual may contain references to hp or hewlettpackard. This dilemma exists both in automatic and manual tuning systems and the vk2 distortion meter just demonstrates how can it be resolved. D31 automatic distortion meter advancom electronics. Rent or buy gw instek gad201g automatic distortion meter. Mak6571c automatic distortion meter meguro electronics. Automatic distortion meter automatic voltage regulator. Us4560958a state variable oscillator having improved. The feedforward circuit combines a signal representative of a levelerdistorted feedback signal with the main oscillator output to reduce the amount of harmonic distortion, below a certain order, appearing in the output. Delta power meter dpm series automation for a changing world. Measurements of the total harmonic distortion, thd, can be made simultaneously for twochannels at 400hz or hz.
Aes elibrary a new approach to automatic distortion sweep. Hi, ive got this cool looking thing not an alien and im yet to determine its use. Automatic distortion meter mak657 equipment meguro electron. The filters for suppressing the fundamental frequency and the principle of the distortion measuring circuit are described in detail. Leader ldm171 semiautomatic distortion meter and other distortion analyzers for sale at test equipment center. Mak6571w 2channel automatic distortion meter production discontinuance the mak6571w is designed to speed up measurement of distortion in radio sets, stereo amplifiers, tape recorders, and other audio equipment. Leader ldm171 for saledistortion analyzersaudio test. The krohnhite model 6900b, illustrated in figure 1. Autotuning distortion meter automatic tuning to eliminate the signal carrier component, simply perform a rough adjustment. Automation for a changing world delta power meter dpm. Measurements of the total harmonic distortion, thd, at 400hz or hz automatic changeover can be easily made. The krohnhite model 6900b is the first and only fully automatic distortion analyzer to provide an easy solution to your distortion and acvoltagemeasurementsover thefrequency range from5hz to 1mhz. Distortionmeter or more precisely distortion factor meter is an electronic measuring instrument which displays the amount of distortion added to the original signal by an electronic circuit.
The gad201g distortion meter is aimed at total harmonic distortion thd and ac voltage measurement at audio frequency range, from 20 to 20khz. The pins of the electronic components can be connected to the 1,2,3 pin optionally. Uut set to am ch22, output of rf signal generator to the antenna input terminal. Search where we offer calibration, repair and a collection and delivery. As a result, overall performance of the new analyzer is. Audio distortion measurements by steve temme in the never ending quest for better sound transmission, reinforcement, and reproduction, the electronics have been extensively analyzed for distortion. This multifunctional meter is automatic identification type, which can detect the pin sequence, graphic display and parameters automatically. Gad201g newark part no 27w5833 product information. Marconi tf2337a automatic distortion meter sm service manual. This paper describes the new distortion measuring system incorporated in the radiometer bkf10 automatic distortion analyzer. Ease of operation compare the ease of operation of the 6900b to any other distortionanalyzer. Amber 3501a distortion analyzer works w pdf manual needs calib. The mak6571c is designed to speed up measurement of distortion in radio sets, stereo amplifiers, tape recorders, and other audio equipment.
This semi automatic distortion meter features an automatic nulling mode that enables rapid errorfree thd measurements below 1%,eliminating almost all manual. Please note that hewlettpackards former test and measurement, semiconductor products and chemical analysis businesses are now part of agilent technologies. The mak6571w is designed to speed up measurement of distortion in radio sets, stereo amplifiers, tape recorders, and other audio equipment. Automatic distortion meter automatic distortion analyzer. Gad201g automatic distortion meter automatic distortion meter. The gw instek gad201g distortion meter is aimed at total harmonic distortion thd and ac voltage measurement at audio frequency range, from 20 to 20khz. Hewlett packard safety summary tho following ganorol ufoty pneoutionr murt bo oburvod during all phrm of oporotior, urviw, and nprir of thir inrtrumont friluro to comply with thaw procautions or with rprcific warnings oluwhon in thir manual violotw rrfoty rtandrrdr of dosign, mrnufrcturo, and intondod uu of tho inrtrumont howlottpielord company assume8 no. The distortion analyzer will measure total harmonic distortion thd down to 0.
Mak6571w automatic distortion meter meguro electronics. Buy your gad201g from an authorized gw instek distributor. Joint camera selfcalibration and automatic radial distortion correction from tracking of walking humans article pdf available in ieee access pp99. A state variable oscillator with leveler circuit and with a feedforward circuit for improving the oscillators rejection of levelerinduced distortion. The above manipulations prepare the twint network for the final tuning procedure reducing both components of its output to a minimum achievable level. It keeps the amplifier input in the designed range for linear operation. Automatic distortion meter audio distortion meter tester 0. The al 1500 is designed to speed up measurement of distortion, sinad, frequency response and sn ratio in radio sets stereo amplifiers, tape recorders and other audio and equipment. The filters for suppressing the fundamental frequency. The function and the main properties are given a brief discussion.
Harmonic distortion is equivalent to adding harmonics to a signal. Marconi tf2337a automatic distortion meter sm service. Distortion meter hm8027 frequency range 20hz to 20khz resolution up to 0. If i find the pdf manual ill email that to the winner. Tektronix aa501a distortion analyzer with tm502a power mainframe. If you want to test a triode, you do not need to worry about the bec order of 1,2,3 pin. In addition to automatic nulling, the new distortion analyzer has other refinements made possible by new solidstate devices. Automatic distortion meter mak6571 equipment meguro electro. Automation for a changing world delta power meter dpm series. This semiautomatic distortion meter features an automatic nulling mode that enables rapid errorfree thd measurements below 1%,eliminating almost all manual. The examples of figure 4 showed distortion declining smoothly with power in class a amplifiers, but figure 6 compares a pushpull class a amplifier red with a class b blue. Automatic distortion meter mak657 meguro electronics corporation. Measurement of the total harmonic distortion, thd, can be made simultaneously for two channels at 400hz or hz. The new techniques enable fully automatic distortion sweep measurements on af amplifiers, tape recorders, loudspeakers, etc.
Repair, service, ukas and iso17025 calibration of meguro mak6571c in the northwest, the uk. When a purely sinusoidal signal is in this way, a series of. The gw instek gad201g frequency and voltage values are displayed simultaneously on dual meters, with the measurement range automatically switching over full scale. I dont feel like throwing it away cause it looks cool. Leader ldm171 products for sale at test equipment center are thoroughly tested, and receive electrical and cosmetic reconditioning as needed prior to sale. The above manipulations prepare the twint network for the final tuning procedure reducing both components. Looking to back up your entire home, or more items than usual. Shop generac protector 45000watt lp 45000watt ng standby generator in the home standby generators department at lowe. Semiautomatic distortion meter ldm171 the task of making distortion measurements on audio equipment and systems is greatly simplified with leaders ldm171. Two independent meter panels, graduated in volts, decibels and percent values. Find similar products choose and modify the attributes above to find similar products.
China distortion meterdistortion tester tdm 1911, find details about china distortion meter, tdm1911 from distortion meterdistortion tester tdm 1911. Add to compare the actual product may differ from image shown. Semi automatic distortion meter ldm171 the task of making distortion measurements on audio equipment and systems is greatly simplified with leaders ldm171. The automatic tuning function thereafter automatically tunes to the carrier for extremely simple operation. China distortion meterdistortion tester tdm1911 china.