SR780 Dynamic Signal Analyzer sib txuas cov kev ua haujlwm siab thiab tus nqi qis hauv ib pob ntxiv. Nws muaj 102.4 kHz dual-channel FFTs nrog 90 dB dynamic ntau, 145 dB dynamic ntau swept-sine ntsuas, sijhawm tiag tiag ANSI tus qauv octave tsom, dej tsaws tsag qhia thiab hloov mus rau qis dua ib nrab tus nqi ntawm lwm cov ntsuas zoo sib xws.
Txawm hais tias koj daim ntawv thov koom nrog kev ntsuas acoustic, kev ntsuas kev co, lub tshuab servo lossis cov qauv lim, SR780 tus yam ntxwv, kev ua haujlwm thiab tus nqi qis yog tsis qhia.
Nta thiab Specifications ntawm:
● DC rau 102.4 kHz bandwidth
● 90 dB dynamic ntau
Tsawg-distortion synthesized qhov chaw
● 145 dB ntau qhov sib txawv hauv hom swept-sine
Qhov kev soj ntsuam xyuas tiag tiag lub sijhawm octave
32 Mus txog 32 Mbyte nco
F GPIB thiab RS-232 cuam tshuam
Kev Ntsuas Cov Pawg:
oFFT: FFT, Sijhawm Teev, Cua Lub Sij Hawm, Sijhawm Sijhawm, Hloov Chaw Haujlwm, Hla Spectrum, Kev Sib Koom Tes, Kev Sib Tw Txheeb Ze, Pib Sib Ntsig, Orbit, Tus Neeg Siv Zauv
oOctave Kev Tshawb Fawb: 11/1, 1/3, 1/12 Octave, Sijhawm Sijhawm, Cov Neeg Siv Lej, Leq, Kev Nyuaj Siab, Lub Zog Tag Nrho
oSwept-Sine: Spectrum, Hloov Chaw Haujlwm, Hla Spectrum, Tus Neeg Siv Zauv
Resolution Cov FFT Txoj Cai: 100, 200, 400, 800 kab
● Views: Tawm Txawv Tebchaws Tshaj Tawm, Log Magnitude, Magnitude Squared, Feem Tiag, Kev Xav Hauv Ntu, Theem, Tsis tiav ntu, Nichols, Nyquist
● Cov Ntu: V, V2, V2 / Hz, V / vHz, meters, nti, mils, g, kg, lbs., N, dynes, pascals, tuav, SPL, chav tsim khoom siv hauv chav tsim qauv siv tshuab (EUs)
Qhia Tawm: Ib Leeg, Dual, Dej tsaws tsag nrog Skew, Zoom thiab Yias
Rag Kev Tawm Tsam: RMS, Vector, Peak Tuav, Linear, Exponential, Kev ntseeg siab sib luag (Octave), Cov Ntaub Ntawv Teev Sijhawm Saib Ua Ntej
● Kev Tawm Tsam: Nruam, Sab Hauv, Sab Nraud (Analog lossis TTL), Chaw Tau Txais, Auto / Los Ntawm Txhais Tes Arming
Out Cov Khoom Tsim Tawm: Sine, Ob-Lub Suab, Sib Hawm-Sine, Dawb / Xaj nrov 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
● Kev Ntsuam Xyuas: Harmonic, Qhab, Kev Ntsuas Sab, THD, THD + N, Txwv Qhov Ntsuas nrog Dhau / Poob, Cov Ntaub Ntawv Cov Ntaub Ntawv, Tshaj Dhau, Txheeb cais
● 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.
Kev Cia Khoom: 3.5" ;, 1.44 Mbyte, DOS teeb txheeb disk. Txuag cov ntaub ntawv thiab teeb tsa.
Zaus:
oRange: 102.4 kHz lossis 100 kHz (ob qho tag nrho 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 (Swept-Sine). Xws li cov spurs, harmonic thiab intermodulation distortion thiab alias khoom. 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 nrov tsis nrov: -100 dBfs ntaus. (cov ntsiab lus nkag,> -30 dBV, Hanning qhov rai, qhov nruab nrab 64 rms)
oResidual DC Teb:
● Qhov Loj:
oSingle Channel: ± 0.2 dB (tsis suav nrog cua tshuab)
oCross Channel: ± 0.05 dB (hloov chaw ntsuas ntsuas, ob qhov nkag rau tib qho, rms qhov nruab nrab, DC txog 102.4 kHz)
● Theem raug:
oSingle Channel: ± 3.0 deg. txheeb ze rau sab nraud TTL txhais (-50 dBfs txog 0 dBfs, zaus
oCross Channel:
■ ± 0.5 deg. (DC rau 51.2 kHz)
■ ± 1.0 deg. (DC rau 102.4 kHz)
■ (hloov ntsuas kev ntsuas kev ua haujlwm, ob qho kev nkag ntawm tib lub tswv yim ntau, ntsuas qhov ntsuas nruab nrab)
Kos Npe Lub Cim:
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 cov 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.
Mode Hom grounded: 50 O. Shields grounded in (AB) hom
oMax Shield Voltage: 4 Vp
oAC Coupling: 0.16 Hz cutoff zaus
oCMRR:
■ 90 dB ntawm 1 kHz (ntau cov tswv yim)
■ 80 dB ntawm 1 kHz (ntau cov tswv yim)
■ 50 dB ntawm 1 kHz (ntau cov tswv yim=10 dBV)
oICP teeb liab txias:
Qhov Chaw Tam Sim No: 4.8 mA
Tage Qhib Cov Hluav Taws Xob: :26 V
oA-Nyhav lim lim: Hom 0 kam rau ua, ANSI txuj S1.4-1983 (10 Hz txog 25.6 kHz)
oCrosstalk:
Cov Lus Qhia Los Ntawm Lub Suab:
● Lub Tswv Yim Zoo:
oModes: Kev khiav dawb, Sab Nraud, Sab Nraud, lossis Sab Nraud TTL
oInternal: Kho kom haum rau ± 100% ntawm cov ntsuas nkag, qhov zoo lossis nqes hav.
■ Min Qib Qib Qib Qib Qis: 5% ntawm ntau cov tswv yim
o Sab nraud: -Txoj kev kho tau mus rau V 5 V hauv 40 mV kauj ruam, qhov zoo lossis nqes hav.
Tawm tswv yim tsis cuam tshuam: 1 MO
■ Tawm tswv yim ntau tshaj: ± 5 V
Cov Qauv Tawm Me: 100 mV
oTxhais TTL: Yuav tsum muaj qib TTL rau qeb (qis 3.0 V)
oPost-Ua rau: Cov ntaub ntawv ntsuas ntsuas ncua txog 8192 cov hnoos qeev tom qab qhov txhais.
oPre-Lub Cim: Cov ntaub ntawv ntsuas pib txog li 8192 cov qauv ua ntej qhov ntsuas.
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 thiab IEC 225-1966
oFrequency Khwv (Cov Chaw Ntsuas Cov Ntaub Ntawv):
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) ib 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
Qhov Tawm Tawm:
oAmplitude khwv: 0.1 mVp txog 5 Vp
oAmplitude Resolution: 0.1 mVp (tso zis> 500 mVp)
oDC Tus Qub:
oOffset Kho: ± 5 VDC (sine, ob lub suab)
oOutput Impedance:
Ine Sine Source:
oAmplitude raug:
■ ± 1% ntawm kev teeb tsa, 0 Hz txog 102.4 kHz
■ 0.1 Vp rau 5.0 Vp, Siab-Z ntsaws
oHarmonics, Sub-ua mob& Spicy:
■ 0.1 Vp rau 5 Vp
-Ob-Suab Xov Xwm:
oAmplitude raug:
■ ± 1% ntawm kev teeb tsa, 0 Hz txog 102.4 kHz
■ 0.1 Vp rau 5 Vp, Siab-Z ntsaws
oHarmonics, Raug mob:
■ 0.1 Vp rau 2.5 Vp
No Dawb Suab nrov Source:
OTime Cov Ntawv Sau: Nruam lossis tawg
oBandwidth: DC rau 102.4 kHz lossis txwv rau kev ncua ntev
oFlatness:
o5000 rms nruab nrab
● Paj Suab nrov tau qhov twg los:
oBandwidth: DC rau 102.4 kHz
oFlatness:
Ir Chirp Tau qhov twg los:
OTime Cov Ntawv Sau: Nruam lossis tawg
oOutput: Sine cheb hla lub FFT nrug
oFlatness: ± 0.25 dB (amplitude: 1.0 Vp)
Pt Swept-Sine Tau Qhov Twg Los:
oAuto Ua Haujlwm: Tau los ntawm theem, cov lus qhia ntau ntxiv thiab qhov qhia daws teeb meem
oDynamic khwv: 145 dB
Bit Cov Ntaub Ntawv Txheeb Ze:
oAmplitude khwv: ± 5 V
oRecord Ntev: 2 Msamples (rov ua si los ntawm kev nco lub suab thaum lub cim los sis ntes tsis tau). Tso zis rau cov zis coj mus kuaj.
● General:
oCTR Monitor: Monochrome, 800H los ntawm kev daws teeb meem 600V
oInterfaces: IEEE-488.2, RS-232 thiab tshuab luam ntawv cuam tshuam tus qauv. Txhua lub zog twj ywm tuaj yeem tswj tau los ntawm kev cuam tshuam hauv computer. Lub PC (XT) cov keyboard nkag tau muab rau kev yoog raws ntxiv.
oHardcopy: Sau rau dot matrix thiab PCL tshaj lub tshuab luam ntawv. Lub ntsiab lus rau HP-GL lossis cov ntawv sau plotters. Sau / daim phiaj rau RS-232 lossis IEEE-488.2 interfaces lossis rau cov ntawv disk. Cov qauv ntaub ntawv ntxiv muaj xws li GIF, PCX thiab EPS.
oDisk: 3.5" DOS hom ntawv, 1.44 Mbytes
oPreamp Fais fab: Lub zog txuas rau SRS cov ntawv
oPower: 70 W, 100/120/220/240 VAC, 50/60 Hz
Cim npe nrov: siv cov xov tooj hluav taws xob muaj zog txheeb xyuas sr780, tuam ntxhab, yuav, tus nqi qis, hauv Tshuag
