频谱分析仪 MS2651B
厂家:日本安立
特点
MS2651B便携式频谱分析仪用于无线和其他提高频率利用率，高调制和数字化设备的信号分析。该合成频谱分析仪的量程覆盖范围为9kHz~3GHz。其拥有**的基本性能如高C/N比率，低失真，和高频率/电平精度并易于操作。其拥有"测试"功能，可评估无线设备（如频率计，C/N，相邻信道功率，占用带宽，脉冲平均功率和暂时决策功能），并允许双屏显示和FM解调波形显示。大量的可选件意味着在可接收的成本范围内实现更多的应用。
技术指标 Model MS2651B
Freq- uency Frequency range 9kHz to 3GHz
Display frequency accuracy ±(display frequency x reference frequencyccuracy +span x span accuracy +100Hz)*Span:≥10kHz ,after calibration
Markder freqeucncy display Normal:Same as display frequency accuracy;Delta: Same as frequency span accuracy
Frequency cuonter Resolution:1 Hz ,10 Hz ,100Hz ,1kHz Accuracy:Display frequency x reference frequency accuracy±1 LSD(at S/N ≥20dB)
Freqeuncy span Setting range :0 Hz ,1kHz to 3.1GHz Accfuracy:±2.5%(span: ≥10kHz)
Resolution bandwidth (RBW)(3 dB bandwidth) Setting range: 1kHz,3kHz,10kHz,30kHz,100kHz,300kHz,1MHz,5MHz (manually settable,or automaticallly settable according to frequency span)*Option 02(MS2661B only):30Hz,100Hz and 300Hzare added. Measurements of noise C/Nadjacent schannel power,and channel power by measure function are executed with the calculatedequivalent noise bandwidgh of the RBW. Selectivty(60 dB:3 dB):≤10:1(RBW:1 to 300kHz) ≤15:1(RBW:1,5MHz)
Video bandwidth (VBW) 1Hz to 3 MHz(1-3 sequence )OFF (menually settable or automatically settable according to RBW)
Noise sideband, stability Noise sideband:≤-90 dBc/Hz(1GHz 10kHz offset)
Residual FM:≤20Hzp-p/0.1s(1GHz ,span:0 Hz) Frequency drift:≤200Hz/min (span:≤10kHz msweep time :≤100s)*After 1 hour warm-up at constant ambient temperature
Reference oscillator Frequency:10MHz Aging rate:2*10^-6/year(tyical);Option 01:1*10^-7/year,2*10^-8/day Temperature characteristics:1*10^-5(typical, 0℃ to 50℃),Option 01:±5*10^-7(0℃ to 50℃, referenced to 25℃)
Ampl-itude Level measurement Average noise level: ≤-110 dBm(1MHz to 1GHz) ≤-110dBm+[GHz]dB(>1GHz) *RBW:1kHz VBW:1 Hz RF ATT:0dB Residual response: ≤-95dBm(RF ATT :0 dB,input:50Ω termination,1MHz to 3GHz)
Total level accuracy ±1.3dB(100kHz to 3 GHz)*Level measurement accuracy after calibration using internal calibration signal Total level accuracy:Reference level accuracy(0 to -49.9dBm)+frequency redsponse+log linearity(0 to -20dB)+calibrationsignal surce accuracy
Reference level Setting range Log scale:-100 to +30dBm;Linear scale:224μV to 7.07V Unit Log scale:dBm,dBμV,dBmV,V,dBμVemf,W,dBμV/m Linear scale:V Reference level accuracy: ±0.4dB(-49.9 to 0dBm),±0.75dB(-69.9 to -50dBm,0.1to +30dBm)±1.5dB(-80 to -70dBm) *After calibration at 100MHz span:1MHz(when RF ATT RBW VBW and sweep time set to AUTO) RBW switching uncertainyt:±0.3dB(1kHz to 1MHz)±0.4dB(5MHz)*After calibration,referencedto RBW:3kHz Input attenuator(RF ATT) Setting range:0 to 70dB(10dB steps)*Manually settable or automatically settabel accoring to reference level Switching uncertainty:±0.3dB(0 to 50dB)± 1.0dB(0 to 70dB) *After calibraiton freqeuncy:100MHz, referenced to RF ATT:10dB
Ampl-itude Frequency response ±0.5dB(100kHz to 3GHz referenced to 100MHzRF ATT :10dB,18℃ to 28℃)
±1.5dB(9 to 100kHz referenced to 100MHzRF ATT:10dB,18℃ to 28℃)
±100kHz to 3GHz referenced to 100MHz RFATT:10 to 50dB)
Waveform display Scale(10div) Log scale:10,5,2,1dB/div Linear scale:10,5,2,1%/div Linearity(afger calibration) Log scale:±0.4dB(0 to -20dB) ±1dB(0 to -70dB)±1.5dB(0 to -85dB)±2.5dB(0to -90dB) Linear scale:±%(compared to referecne level) Marker level resolution Log scale:0.01 dB,Linear scale:0.02% of reference level
Spurious response 2nd harmonic distortion: ≤-55dBc(10 to 1GHz)≤-60dBc(0.1 to 1.5GHz) Mixer input:-30dBm
Two signals 3rd order intermodulation distortion: ≤-70dBc(10MHz to 3GHz) *Frequency disserence of two signals:≥50kHz mixer input:-30dBm)
1dB gain compression ≥-5dBm(≥100MHz,at mixer input)
Maximum dynaimic range 1dB gain compressin level to average noiselevel: >105 dB(0.1 to 1GHz )>105 dB-f[GHz]dB(>1GHz) Distortion caharacteristics(RBW:1 kHz) 2nd harmonic:>67.5dB(10 to 100MHz) >70dB(100 to 500MHz) >70-f[GHz]dB(0.5 to 1.5GHz) 3rd order intermodulation: >76.6dB(10 MHz to 1GHz) >76.6-(2/3)f[GHz]dB(1 to 3GHz)
Sweep Sweep time Setting range:20 ms to 1000s(Manually settable.orautomatically settable accoreing to span, RBW and VBW) Accuracy:±15%(20ms to 100s),±45%(110to 1000s)±1% (time domain sweep:digtal zero span mode)
Sweep mode Continuous,single
Time domain sweep mode Analog zero span,digital zero span
Zone sweep Sweeps only in frequency range indicated by zone marker
Tracking sweep Sweeps while tracing pesk points withinzone marker(zone sweep also opssilbe)
Func-tions Number of data points 501
Detection mode NORMAL:Simultaneously displays max.and min. points between sample points POS PEAK:Displays max.point between sample points NEG PEAK:Displays min.point between sample points SAMPLE:Displays monmentary value at sample points Detection mode switching uncertainty:±0.5dB (at reference level)
Display Color TRT-LCK,Size:5.5inch,Number of colors:17(RGB,each 64-scale settable);Intensity adjustment:5 steps settable
Display functions Trace A:Displays frequency spectrum
Trace B:Displays frequency spectrum
Trace Time:Displays time domain waveform at center frequency Trace A/B:Displays Trace A and B simultaneously.Simultaneous sweep of same frequency ,alternalte sweep of independent frequencies Trace A/BG:Displays frequency region to be olserved(background)and objictband (foregrond) selected from background with zone marker simultaneously at alternate sweep Trace A/Time:Displays frequency spectrum and time domain waveform at centerfrequency simul taneously at alternate sweep Trace move/calculation:A->B,B->A,A<->B,A+B->A, A-B->A,A-B+DL->A
Storage functions NORMAL,VIEW,MAXHOLD,MIN HOLD,AVERAGE,CUMULATIVE, OVER WRITE
FM dimod- ulation waveform display function Demodulation range:2,5,10,50,100,200kHz/div Marker display accuracy:±5% of rull scale (reerenced to center frequency:DC-coupled ,RBW:5MHz,VBW:1Hz,CW)
Demodulation frequency response: DC(50 Hz at AC-coupled)to 100kHz*Range:≤20kHz/div,VBW:off,at 3dB bandwidth DC(50 Hz at AC-coupled)to 100kHz*Range:≤50kHz/div,VBW:off,at 3dB bandwidth RBW: ≥100kHz usable
Input connctor N-J,50Ω
Auxilary signal input and output IF OUTPUT:455 kHz(RBW≤30kHz),10.695MHz(RBW:≥100kHz)BNCconnector VIDEO OUTPUT(Y): 0 to 0.5V±0.1V(100MHz from lower edge to upper edge at 10dB/div ,or 10%/div75Ω terminated BNC connector) COMPOSITE OUTPUT:For NTSC,1Vp-p(75Ω terminated)BNC connector EXT REF INPUT:10MHz ±10Hz,≥0dBm(50Ω terminated)BNC connector
Signal search AUTO TUNE,PEAK->CF,PEAK->REF,SCROLL
Zone marker NORMAL,DELTA
Marker-> MARDER->CF,MARKER->REF ,MARKER->CFSTEPSIZE,ΔMARKDR->SPAN.ZONE->SPAN
Peak search PEAK,NEXT PEAK,NEXT RIGHT PEAK,NEXT LEFT PEAK,MIN DIP,NEXT DIP
Multimarker Number of markers :10max(HIGHEXT 10, HARMONICS,MANUAL SET)
Measure Noise power(dBm/Hz dBm/ch)C/N(dBc/Hz, dBc/ch(occupied bandwidthPower N% method, X-dB down method)adjacent channel pweer (REF:total power/reference level/in-band level methodmchanndl designatedsiplwy:2 channels x 2 graphic displsy)average power of burst signal (average power in designated time range of time dimain waveform)channel power (dBm,dBm/Hz)tempate comparisom(upp[er/olwer limits x each 2,time domain)MASL(upper/lower x each 2, frequency domain)
Save/recall Savel and recalls setting conditions and waveform data to intermal memory(max.12 ) or memory card
Hard copy Printer(HP dotmatrix,EPSON dotematrix or compatible models): Display data can be hard-copied via RA-232C GPIBa and Centronics(Option 10)interface Plotter(HP-GL,GP-GL compatible modesl):Displsy can be output via RS-232C and GPIB interface
PTA Language:PTL(interpreter based on BASIC( Programming:Using editor of external computer
Program memory:Memory card ,upload/downlad to /form extenal computer Programming capacity:192kB Data processing:Directly accesesm\ measurement data according to system variables system subroutiones and systen functions
RS-232C Outputs data to printer and plotter,Controlfrom exterbnal computer(excluding opower switch)
GPIB Meets IEEE488.2 Controlled by external computer(excludingpower switch):Or controlls external equipment with PTA Interface funciton:SH1,AH1,T6,SR1,RL1,PP0,DC1,DT1, C1,C2,C3,C4,C28
Correction Automatic correction of insertion loss ofMA1621A Impedance Transformer Correction accuracy(RF ATT :≥10dB) ±2.5dB(9 to 100kHz)±1.5dB(100kHz to 2GHz ), ±2.0dB(2 to 3GHz)*Typical value Antenna correction coefficients: Correct display and measurement of field strentths (dBμV/m)for specifiedantennas.Internal antennal correction coefficients(MP534A/651A Dipole Antenna,MP635A/666ALog-Periodic Antenna,MP414B Loop Antenna,and for antennas user-defined: writes via GPIB or RS-232C interface saves/loads to /from memory card)
Memory card interface Functions:Saving/recalling measuremint parameters/waveformdatamuploading/ downloaking PTA programs; Applicable cards:SRAM,EPROM,Flash EPROM*Only SRAM wrtable,Card capacity:2 MB max. Connector:Meets the PCMMIA Rel.2.0,2solts
Conducted emission Meets the EN55011(Group 1, Class A)
Radiated emission Meets the EN55011(Group 1, Class A)
Static discharge Meets the EN50082-1
Radiation field Meets the EN50082-1
Conducted suscep- tibility Meets the IEC801-4(level II)
Vibration Meets the MIL-STD-810D
Power(oper- ating range) 85 to 132/170 to 250 Vac(automatioc voltageswitching(47.5 to 63Hz,380 to 420Hz(85 to 132V only)≤320VA
Dimensions and mass 320(W)*177(H)*351(D)mm≤10.8kg(without option
Ambient temperature 0° to +50℃ (operate),-40° to +75℃(storage
