Lub Stanford Tshawb Xyuas Kev Tshawb Nrhiav SR785 Dynamic Signal Analyzer yog qhov ua tau raug, ob channel, tag nrho cov teeb liab tsom ntsuas uas muaj cov qauv kos duab hauv lub xeev ntawm tus nqi uas' s tsawg dua li ib nrab uas ntawm kev sib tw analyzers. Tus SR785 yog qhov cuab yeej zoo tshaj plaws rau kev txheeb xyuas ob qho tib si tshuab thiab tshuab hluav taws xob. Rau kev ntsuas ntsuas muaj feem xyuam nrog servo cov tshuab, tswj cov tshuab, acoustics, kev ntsuas kev co, kev soj ntsuam hloov kho, lossis kev kuaj ntsuas tshuab, SR785 muaj cov yam ntxwv thiab tshwj xeeb kom tau txoj haujlwm tiav.
Cov pawg ntsuas ntsuas suav nrog FFT, kev txiav txim taug qab, octave, swept-sine, kev sib txheeb ze, sijhawm ntes, thiab lub sijhawm / histogram. Tus SR785 coj lub zog ntawm ntau cov khoom siv rau koj daim ntawv thov: lub tsom iav tsom kab hluav taws xob, lub tshuab ntsuas hluav taws xob, kev ntsuas lub suab, lub suab ntsuas kev co, octave analyzer thiab oscilloscope.
Tus cim kev ntsuas vaj huam sib luag tso cai rau tus kws tshuaj ntsuam kom ua haujlwm xws li ntsuas tau ob qho channel channel nrog kev ntsuas zoo li tus ntoo khaub lig spectrum, zaus teb thiab cov lus sib koom. Hloov pauv, SR785 tuaj yeem tsim teeb tsa kom txhua qhov tawm tswv yim channel ua haujlwm raws li ib qho channel txheeb xyuas nrog nws tus kheej nrug, nruab nrab zaus, daws teeb meem thiab ntsuas qhov nruab nrab. Qhov no tso cai rau koj kom pom qhov dav-dav spectrum thiab tib lub sijhawm nthuav dav hauv cov ntsiab lus spectral. Txoj kev tsim tawm zoo ib yam muab tau txhua txoj kev ntsuas tsev thiab ntsuas cov qauv nruab nrab. Qhov ntsuas qhov nruab nrab, rms nruab nrab, tsis hais qhia, thiab ncov tuav cov qauv ntawm txhua qhov ntsuas tau ib txhij thiab tuaj yeem tso tawm kom pom yam tsis tau rov qab ua cov ntaub ntawv.
Nta thiab Specifications ntawm:
● DC rau 102.4 kHz bandwidth
● 90 dB dynamic ntau
● 145 dB ntau qhov sib txawv hauv hom swept-sine
● Kev txiav txim taug qab
● 20-ncej / 20-xoom nkhaus haum
Qhov kev soj ntsuam xyuas tiag tiag lub sijhawm octave
32 Mus txog 32 Mbyte nco
F GPIB thiab RS-232 cuam tshuam
Es Kev Ntsuas Cov Qauv: FFT, Sijhawm / Histogram, Kev Sib Koom Tes, Octave, Swept-Sine, Txheeb Xyuas Qhov Cuam Tshuam
Domain Kev ntsuas zaus ntawm qhov ua tau: Ua ntu zaus los teb, kab tawm, Spectrum hla, Lub zog Spectrum, Kev sib dhos, Lub zog Spectral ntom
● Lub Sij Hawm Ntsuas Sij Hawm: Sijhawm Teev Tseg, Kev Sib Kis Kev Sib Kis, Qhov Pib Sib Cais, Orbit
● Kev Ntsuas Qhov Kev Ntsuas: Cov Keeb Kwm, PDF, CDF
Resolution Cov FFT Txoj Cai: 100, 200, 400, 800 kab
● Views: Tawm Txawv Tebchaws Tshaj Tawm, Log Magnitude, dB lub zog loj, qhov pom ntawm lub ntsej muag, Feem tiag tiag, Qhov xav hauv ntu, Theem, Tsis kaw ntu, Nichols, Nyquist, Ncov Qaumteb Qabteb
● Cov Ntu: V, V2, V2 / Hz, V / vHz, metres, meters / s, metres / s2, nti, nti / s, nti / s2, mils, g, kg, lbs., N, dynes, pascals, cov khoom tuav, SPL, chav tsim khoom siv chav tsim khoom siv dag zog (EUs)
Cov Lus Qhia: Ib Leeg, Ob Sab, Sab Pem Hauv Ntej / Tom Qab Overlay, Dej tsaws tsag nrog Skew, Zoom thiab Yias, Daim Phiaj Rau / Tawm
Fun Cov Cim Ntaus Cim: Cov Cim Cim Cim, Cim Ob Lub Cim Txuas Cim, Cim Nrig thiab Txheeb Ze Tus Txheeb Xyuas, Peak Nrhiav, Harmonic Marker, Band thiab Sideband Marker, Dej tsaws tsag Marker, Zaus-Damping Marker
● Kev Tawm Tsam: RMS, Vector, Peak Tuav, Tawm, Tawm, Exponential, Kev Ntseeg Vaj Huam Sib Luag (Octave), Cov Sijhawm Saib Ua Ntej, Feem pua suav nrog Kev Tshawb Fawb, Overload Rov Txwv
● Kev Taw Qhia: Txuas Ntxiv, Sab Hauv, Sab Nraud Sab Hauv (Ib Qho Tshaj Tawm lossis TTL), Qhov Chaw, Pib Txuas / Los Ntawm Txhais Tes Arming, GPIB, RPM Kauj Ruam, Sijhawm Ua Ntej, Ua Ntej / Tshaj Tawm Qeeb
Out Cov Ntsiab Lus Tau Tawm: Sine, Ob-Lub Tone, Swept-Sine, Dawb / Paj Nrov Suab nrov, tawg nrov nrov, chirp, tawg ntho, thiab Arbitrary
● Windows: Hanning, Blackman-Harris, Ca-Top, Kaiser, Force / Exponential, Tus Neeg Siv Txhais, + / - T / 2, + / - T / 4, T / 2, Uniform
● Tus Neeg Siv Zauv: +, -, ×, /, Conjugate, Magnitude / Theem, Tiag tiag / Siab Xav, Sqrt, FFT, Inverse FFT, jO, Log, Exp, d / dx, Pab Pawg qeeb, A-, B -, C-Qhov hnyav, x / x-1, Cim 1 txog 4, Vector Nruab Nrab, RMS Nruab Nrab, Peak Tuav
● Kev Tshawb Fawb: Harmonic, Qhab, Sab Nraub, THD, THD + N, Txwv Qhov Ntsuas Nrog Dhau / Poob, Cov Ntaub Ntawv Cov Ntaub Ntawv, Tshaj Dhau, Txheeb cais, Kab Nkhaus thiab Synthesis
● Sijhawm Sijhawm: Kaw cov sijhawm ntawm cov ntaub ntawv rau kev txheeb xyuas tom qab (FFT lossis Octave). Txog li 2 Msamples (8 Msamples yeem) ntawm cov ntaub ntawv tuaj yeem txuag tau.
Cia: 3.5" ;, 1.44 Mbyte DOS muaj daim disk. Txuag cov ntaub ntawv, teeb tsa thiab cov ntaub ntawv luam nyuaj.
● Daim Ntawv Nyuaj Nyuaj Nyuaj thiab Tsis Txaus: Sau rau Dot Matrix lossis PCL (LaserJet thiab DeskJet) tshuab luam ntawv. Daim phiaj rau HP-GL lossis Cov Ntawv Ploters. Luam Ntawv / Daim phiaj on-line (RS-232 serial, Centronics thaum uas tig mus lossis IEEE-488.2) lossis rau cov ntawv disk. EPS, GIF, PCX duab kab ntawv kuj tseem muaj rau lub ntim cia.
● Cov ntaub ntawv hloov dua siab tshiab siv: Cov ntaub ntawv, dej tsaws tsag thiab ntes cov ntaub ntawv tuaj yeem hloov mus rau ASCII. Cov ntaub ntawv cov ntaub ntawv tseem tuaj yeem hloov mus rau Universal File Format, SDF format lossis MATLAB MAT-File Format. Cov ntaub ntawv SDF thiab SR780 tuaj yeem hloov kho rau hom SR785.
● DataViewer: Qhov rai raws li lub khoos phis tawm rau saib cov ntaub ntawv SR785. Daim duab tuaj yeem tsau rau lub thawv ntawv los yog khaws cia hauv PCX, BMP lossis GIF.
Kev Ntsuas Cov Pawg:
oFF
oKev Txheeb Ze
OTime Histogram
oSwept-Sine
oOrder Kev Taug Kev
Zaus:
oRange: 102.4 kHz lossis 100 kHz (ob qho tib si muaj tib yam)
oFFT Spans: 195.3 mHz txog 102.4 kHz lossis 191 mHz txog 100 kHz. Qhov ob tso tawm tuaj yeem muaj qhov sib txawv thiab pib ntau yam.
oFFT Daws Teeb Meem: 100, 200, 400 lossis 800 kab
oReal-Lub Sijhawm Bandwidth: 102.4 kHz (siab tshaj FFT ncua nrog cov ntaub ntawv txuas ntxiv thiab qhov nruab nrab)
oAcc precision: 25 ppm los ntawm 20 ° C mus rau 40 ° C
Namic Dynamic khwv:
oRange: 90 dB li qub, 80 dB lav (FFT thiab Octave). 145 dB coj (Swept-Sine). Xws li cov spurs, kev sib haum xeeb, kev sib txuam sab nraud, thiab cov khoom cuav. Tsis suav nrog cov lus teb alias ntawm kev ncua ntawm kev ncua.
oHarmonic Distortion:
oIntermod Kev Sib Hloov:
Khoom kim:
OAlias Teb:
oFull Span FFT Suab nrov nrov hauv pem teb: -100 dBfs hom (cov tswv yim hauv av,> -30 dBV, Hanning qhov rai, 64 rms nruab nrab)
oResidual DC Teb:
● Qhov Loj:
oSingle Channel: ± 0.2 dB (tsis suav nrog lub qhov rai)
oCross Channel: ± 0.05 dB, DC rau 102.4 kHz (ntsuas qhov ntsuas teb, ob qho tib si nkag rau tib qho, rms kwv yees)
● Theem raug:
oSingle Channel: ± 3.0 deg. txheeb ze rau sab nraud TTL txhais (-50 dBfs txog 0 dBfs, freq
oCross Channel:
o
■ ± 0.5 deg. (DC rau 51.2 kHz)
■ ± 1.0 deg. (DC rau 102.4 kHz)
(Kev ntsuas ntsuas zaus, ob qho kev nkag ntawm tib qho, vector ntsuas qhov nruab nrab)
In Cov lus qhia tib:
cov ntoo ntawm Cov Lus Nug: 2
oFull-Nplai Cov Lus Qhia Ntxiv: -50 dBV (3.16 mVp) txog +34 dBV (50 Vp) hauv 2 dB kauj ruam
oMax Tshaj Tawm Cov Lus Qhia Ntxiv: 57 Vp
o Kev teeb tsa lub ntsiab lus: Ib leeg xaus (A) lossis plawg (AB)
o Input Impedance: 1 MO + 50 pF
oSield rau Chassis:
Mode Hom ntab: 1 MO + 0.01 µF
■ Hom grounded: 50 O (tiv thaiv av (hom AB))
oMax Shield Voltage: 4 Vp
oAC Coupling: 0.16 Hz zaus txiav tawm
oCMRR:
■ 90 dB ntawm 1 kHz (ntau cov tswv yim)
■ 80 dB ntawm 1 kHz (ntau cov tswv yim)
■ 50 dB ntawm 1 kHz (cov tswv yim ntau=10 dBV)
oICP Teeb Liab Txias:
Qhov chaw tam sim no: 4.8 mA
Voltage Qhib Circuit Court voltage: +26 V
oA-Nyhav lim lim dej: Hom 0 thev taus, ANSI txuj S1.4-1983; 10 Hz txog 25.6 kHz
oCrosstalk:
Cov Lus Qhia Los Ntawm Lub Suab:
● Lub Tswv Yim Zoo:
oModes: Ua Haujlwm Dawb, Sab Hauv, Sab Nraud, lossis Sab Nraud TTL
oInternal: Kho kom haum rau ± 100% ntawm cov ntsuas nkag, qhov zoo lossis nqes hav. Min. txhais qib: 5% ntawm ntau cov tswv yim
Sab nraud:
■ Qib hloov tau mus rau ± 5 V hauv 40 mV kauj ruam, qhov zoo lossis nqes hav.
Put Tawm tswv yim cuam tshuam: 1 MO
Input Tawm tswv yim ntau: ± 5 V
■ Min txhais tawm ntau: 100 mV
oTxhais TTL: Yuav tsum muaj qib TTL rau qeb (qis 3.0 V)
oPost-Ua rau: Cov ntaub ntawv ntsuas kev ua qeeb yog nce txog 100,000 cov qauv tom qab qhov txhais.
oPre-Lub Cim: Cov ntaub ntawv ntsuas pib txog 8000 qhov qauv ua ntej pib ntsuas.
Ach Kev Qhia Tawm Tachometer:
oPulses Ntawm Ib Puag Ncig: 1 txog 2048
oRPM Qhov tseeb: ± 50 ppm (ntaus)
oTach Qib Ntau: ± 25 V, ± 5 V, TTL
oTach Qib daws teeb meem: 20 mV @ ± 25 V, 4 mV @ ± 5 V
oMax Tach Input Theem: ± 40 Vp
oMin Tach Mem Tes Dav: 100 ns
oMax Tach Pulse Tus Nqi: 750 kHz (ntaus)
Capt Kev Hla Sij Hawm:
oMode: Cov ntaub ntawv sau cia tas li
oMax Tus Nqi: 262,144 kuaj / s rau ob qho kev nkag
oMaximum Txais Ntev:
■ 2 Msamples (ib qho kev qhia tawm)
Ms 8 Msamples nrog nco xaiv
● Kev Ntsuas Xyuas Octave:
oStandards: Txwm rau ANSI tus qauv S1.11- 1986, Daim Ntawv Xaj 3, Hom 1-D
oFrequency Khwv (Cov Chaw Tshuab Qhab):
Channel Tib Tug Channel:
1/1 Octave: 0.125 Hz txog 32 kHz
1/3 Lub Kaum Hlis: 0.100 Hz txog 40 kHz
1/12 Octave: 0.091 Hz txog 12.3 kHz
■ Ob Tshooj:
1/1 Octave: 0.125 Hz txog 16 kHz
1/3 Lub Kaum Hlis: 0.100 Hz txog 20 kHz
1/12 Octave: 0.091 Hz txog 6.17 kHz
oAcc precision:
oDynamic Range: 80 dB (1/3 Octave, 2 lub hli thib ob ruaj khov) ntawm ANSI S1.11-1986
oSound Qib: Impulse, Ncov, Ceev, Qeeb thiab Qiag rau ib qho ANSI S1.4-1983 Hom 0 thiab IEC 651-1979 Hom 0
Kev Nrhiav Taug Qab:
oDelta Kev Txiav Txim: 0.0075 txog 1
oResolution: txog 400 kab
oAmplitude raug: ± 1 dB (ntaus)
oDisplays: daim ntawv qhia chaw nres nkoj (kav hlau loj thiab theem), taug kev txiav txim (lub sij hawm. thiab theem), orbit
● Nkhaus haum thiab Synthesis:
oType: 20 ncej / 20 zeros nkhaus haum (feem tsis yog-cov sib npaug rational)
oOrder Xaiv: Nws pib lossis phau ntawv
oOutput Format: Ncej-xoom, polynomial, ncej-seem
Qhov Tawm Tawm:
oAmplitude khwv: 0.1 mVp txog 5 Vp
oAmplitude Resolution: 0.1 mVp
oDC Tus Qub:
oOffset Kho: ± 5 VDC (sine, ob-suab, swept-sine)
oOutput Impedance:
oSine Tau Qhov Twg Los:
■ Qhov Qhia Tau Tshaj Tawm: ± 1% ntawm kev teeb tsa, 0 Hz txog 102.4 kHz, 0.1 Vp rau 5 Vp rau hauv High-Z load
Arm Kev sib raug zoo, kev ua mob hnyav& Pib ntsais koj teeb spicy:
oTwo-Tone Tau Qhov Twg Los:
■ Qhov Qhia Tau Tshaj Tawm: ± 1% ntawm kev teeb tsa, 0 Hz txog 102.4 kHz, 0.1 Vp rau 5 Vp rau hauv High-Z load
Arm Sib raug zoo, tsim kev puas tsuaj:
oWhite Nrov Suab:
Record Sijhawm Teev Tseg: Nruam lossis tawg
Cov Bandwidth: DC txog 102.4 kHz lossis txwv rau kev ncua ntev
Ness Flatness:
oPink nrov nrov Source:
Cov Bandwidth: DC txog 102.4 kHz
Ness Flatness:
oChirp Tau Qhov Twg Los:
Cov Sijhawm Sijhawm:: Nrov Nrov lossis Tawg
Tawm Tawm: Sine cheb thoob plaws qhov ntev ntawm FFT
■ Flatness: ± 0.25 dB (1.0 Vp)
Cim npe nrov: siv cov xov tooj hluav taws xob ntse analyzer sr785, tuam ntxhab, yuav, tus nqi qis, hauv Tshuag
