• <strike id="kgogy"></strike><dl id="kgogy"></dl>
  • <menu id="kgogy"></menu>
  • <menu id="kgogy"><em id="kgogy"></em></menu>
  • <tbody id="kgogy"><small id="kgogy"></small></tbody>
  • 歡迎進入深圳市測源電子儀器有限公司網(wǎng)站!
     咨詢電話:0755-82576720
    產(chǎn)品目錄

    產(chǎn)品資料

    音頻分析儀VA-2230
    產(chǎn)品型號:
    簡介:

    音頻分析儀 VA-2230:集低頻信號發(fā)生器、電子電壓表、失真表、頻率表、直流電壓表的功能于一身。使用DSP技術(shù),DDS高穩(wěn)定信號發(fā)生器,為通信應(yīng)用提供SINAD測量.22通道輸入輸出,GPIB接口.

    音頻分析儀VA-2230  的詳細介紹

    簡單信息:
    集低頻信號發(fā)生器、電子電壓表、失真表、頻率表、直流電壓表的功能于一身。使用DSP技術(shù),DDS高穩(wěn)定信號發(fā)生器,為通信應(yīng)用提供SINAD測量.22通道輸入輸出,GPIB接口.
    產(chǎn)品簡介
    特點
    ·多功能,高精度,高速度,可遙控音頻分析儀
    ·此儀器綜合了低頻信號發(fā)生器、電子電壓表、失真表、頻率計、直流電壓表的功能于一身。中央微處理器控制意味著可靠性更高,操作更簡便,將眾多的功能匯集在一個小型、高速、高精度的單元中,其價格比分立單元更具有競爭性。
    ·使用DSP技術(shù),通過FFT計算獲得真RMS值
    ·使用DDS技術(shù)的高速、高穩(wěn)定度信號發(fā)生器
    ·寬大的LCD提供了清晰**的顯示
    ·配備GPIB接口
    ·為通訊應(yīng)用提供了SINAD測量
    ·雙通道輸入/輸出可進行通道互擾、分離及L/R率測量
    ·頻率計及AC電平頻率范圍擴展至210KHz
    ·具THD的失真及諧波分析功能
    ·操作簡便,測試功能豐富

    技術(shù)指標(biāo)
    ·Signal Genreator for Measurement
    ·Frequency range.........5Hz to
    20.09KHz(DDS system) | 20.1KHz to 110.0KHz(CR oscillator)
    ·Frequency setting
    resolution........1Hz(5Hz to 2.009KHz) | 10Hz(2.01KHz to 20.09KHz) |
    100Hz(20.1KHz to 110.0KHz)
    ·Frequency accuracy........±0.005%(5Hz to
    20.09KHz) | ±3%(20.1Khz to 110.0KHz)
    ·Display digits........4-digit
    max.
    ·Spot oscillator.1.........20Hz(±0.005%)
    ·Spot
    oscillator.2..........1KHz(±0.005%)
    ·Spot
    oscillaotr.3..........20KHz(±0.005%)
    ·Output channels.........2CH(L,R:Only
    common output)
    ·Output impedance........600Ω±2%(unbalanced)
    ·Output level
    resolution.......0.1dB
    ·Output level accuracy........Ω±0.5dB of set
    value(>-40dBv) | ±0.8dB of set value(≦-40dBV) 1KHz,600Ω load
    ·Spot
    oscillator.1..........20Hz(0.001%THD+N,80KBW)
    ·Spot
    oscillator.2........1KHz(0.001%THD+N,80KBW)
    ·Spot
    oscillator.3............20KHz(0.001%THD,80KBW)
    ·Measurement function
    block
    ·Frequency measurement,AC level measurement(relative display/wattage
    display),DC level measurement,total distortion measuremetn(THD+N),harmonic
    distortion measuremtn(THD),harmonic analysis measurement(HD),SINAD
    measurement,S/N measurement,ratio measruemtn(R/L,L/R).
    ·
    ·Measuring
    range......5Hz to 210KHz
    ·Measurement
    resolution...........5-digit(≧100Hz)/0.01Hz(<100Hz)
    ·Measuring
    accuracy..........±5*10^-4±1digit
    ·Input level range......1mV to 100Vrms
    ·



    Measuring range....... V(mV) dBV dBm
      100V 40.0dBV 42.2dBm
      30V 29.5dBV 31.7dVm
      10V 20.0dBV 22.2dBm
      3V 9.5dBV 11.7dBm
      1V 0.0dBV 2.2dBm
      300mV -10.5dBV -7.8dBm
      100mV -20.0dBV -17.8dBm
      30mV -30.5dBV -27.8dBm
      10mV -40.0dBV -37.8dBm
      3mV -50.5dBV -47.8dBm
      1mV -60.0dBV -57.8dBm
      0.3mV -70.5dBV -67.8dBm
    Measuring accuracy.............. ±2%of full-scale indication(1KHz)
    Frequency response........ ±5%(20Hzto 20KHz) reference:1KHz

    ±10%(5Hz
    to 110KHz)reference:1KHz

    ±20%(5Hz to210KHz) reference:1KHz
    Vestigial noise............ ≦4μV(80KBW)
    Response characteristics.... actual value
    Relative measurement range..... 0 to±130dB
    Wattage display...... Powercalculation based on AC level


    measurement and virtual load(RL)
    Resolution of watt display. 5digits max.
    Setting range of RL.... 2 to 5000Ω
       
    Input channel...... 1CH:for DC input
    Input impedance 1MΩ
    DClevel measuring ranges.. 5 ranges(100V/30V/3V/300mV/30mV)
    DC level emasuring accuracy ±(0.3%fs+0.75%of measuring value)
     
    Fundamental frequencyrange 10Hz to 110KHz
    Distortionmeasurement range 100% 0.0dB
      30% -10.5dB
      10% -20.0dB
      3% -30.5dB
      1% -40.0dB
      0.3% -50.5dB
      0.1% -60.0dB
      0.03% -70.5dB
      0.01% -80.0dB
    Secondary harmonic deviation.... ±1dB(20Hzto 20KHz)
      ±3dB(all range)
    Fundamental wave removal ratio.. 110dBor more
      60dB(NOTCH)+ - 50dB(FET)
    Response characteristics  
    (input)......... actual value
    Response charateristics  
    (distortion).... actualvalue
    Input level range..... 1mVto 100V
    Input ranges..... V(mV) dBV dBm
      100V 40.0dBV 42.2dBm
      30V 29.5dBV 31.7dBm
      10V 20.0dBV 22.2dBm
      3V 9.5dBV 11.7dBm
      1V 0.0dBV 2.2dBm
      300mV -10.5dBV -7.8dBm
      100mV -20.0dBV -17.8dBm
      30mV 30.5dBV -27.8dBm
      10mV -40.0dBV -37.8dBm
      3mV -50.5dBV -47.8dBm
      (30mV to 3mV ranges:manual only)
    Display units..... Input level:V,dBV,dBm
      Distortion:%,dB
       
    Measuringmode.. harmonic distortion+noise(THD+N)
    Residualnoise/distortion  
    (100V,30V,10V,3V&1Vranges).. ≦-94dB(10Hz to 20KHz,80KBW)
      ≦-80dB(alllimits,500KBW)
      input≧1/3 offull scale
    (300mV range)...... ≦-86dB(10Hzto 20KHz,80KBW)
      ≦-66dB(alllimits,500KBW)
      input≧1/3 offull scale
    (100mV range)..... ≦-74dB(10Hzto 20Khz,80KBW)
      ≦-60dB(allilmits,500KBW)
      input≧1/3 offull scale
    (3mV range)...... ≦-45dB(10Hzto 10KHz,20KBW)
      input+2mVrms
     
    Measuringmode..... Nos.2-10 harmonic waves are detected
    and
    measured
    Residual noise/distortion  
    (100V,30V,10V,3V&1V range)... ≦-100dB(10Hzto 20Khz,80KBW)
      ≦-80dB(alllimits,500KBW)
      input≧1/3 offull scale
    (300mV range)..... ≦-94dB(10Hzto 20KHz,80KBW)
      ≦-74dB(alllimits,500KBW)
      input≧1/3 offull scale
    (100mV range)........ ≦-86dB(10Hzto 20KHz,80KBW)
      ≦-74dB(alllimits,500KBW)
      input≧1/3 offull scale
       
    Measuring mode..... Nos.2-10 harmonicwaves are set to
    any value
    and measured Residual
       
    SINAD measuringrange..... 0 to 40dB(1 range)
    ResidualSINAD....... Same as
       
    Input levl...... 30μV to 100Vrms
      (both S component&N component)
    Measuring range...... 0 to 130dB(80KHzBW)
    S/N accuracy........ ±1.2dB
    Response characteristics..... actualvalue
       
    Input level ragne..... 30μV to 100Vrms(bothnumerator and
    denominator)
    Ratio range....... 0to ±130dB(80KHzBW_
    Ratio accuracy......... ±1.2dB(1KHz,fullscale input)
    Frequency response...... ±2dB(standard:1KHz)
    Display unit...... dB,%
    Response characteristics... actual value
     
    Input channels...... AC input:2 CHs,alternate(Balanced
    and
    unbalanced switchable)
    Input impedace...... ACinput:10KΩ,100KΩ≦200pF
    Maximum allowable input.... 150V(DC+AC peak)
    Grounding...... Floatingand non-floating switchable(independently
    for DC,AC and signal generator)
    Averaging count..... 2,4,8,16,OFF
    Built-in filters...... HPF(100Hz/200Hz/Optional),LPF(15KHz/20KHz/80KHz/Optional),PSOPHO(IHF-A/CCIR-ARM/DIN-AUDIO/Optional)
    Optional filters...... 3KHz BPF/1KHzBPF/315Hz BPF/CCITT
    P53TEL/C-MESSAGE/IEC-C
       
       
    Operation specifications... 1)Single Up;2)Single Down;
      3)RepeatUp;4)Repeat Down
    .... SH1,AH1,T8,L4,SR0,RL1,PP0,DC1,DT1,C1,C2,C3,C27
      1)Panel staus;2)Measurement value
    output;3)Memorycopy(between same models);4)Memory synchronization(between
    same models,same versions)
    ... 1) Levelor frequency setting from
    an external
    rotary encoder;2)Direct memory call;3)Controloutput;4)Limit
    judgment
    output;5)Memory listing;6)8-bit data read;7)Measurementdata
    print-out.
       
    Memory point count... 100 steps(Can bedivided into 10 groups.)
    Setting contents... 1)Panelsetting;2)EXT CONTROL I/O;
      3)Limitdata batch memory.
     
    Temperature/humidity for operation.... 0to 40℃,RC 90% max.
    Tempearture/

    humidity
    for

    characte-

    ristics in spec.
    6 to 35℃,RC 85% max.
    LCD Tempearture

    /humidity for
    operation....
    0to 30℃,RC 90% max.
      0 to 40℃,RH60%max.
    Power source..... 100/120/220/240VAC,±10%(max.250V)/Approx.48W
    Dimensions..... 426(W)*99(H)*440(D)mm
    Weight.... Approx.10kg
    Accessories.... Instruction
    manual(1),cable(1),powercord(1)
    產(chǎn)品留言
    標(biāo)題
    聯(lián)系人
    聯(lián)系電話
    內(nèi)容
    驗證碼
    點擊換一張
    注:1.可以使用快捷鍵Alt+S或Ctrl+Enter發(fā)送信息!
    2.如有必要,請您留下您的詳細聯(lián)系方式!

    推薦產(chǎn)品

    粵公網(wǎng)安備 44030702000874號

    久久中文字幕无吗一二区,亚洲,欧美日韩在线观看,国产91精品在线,国产精品无码一二三视频
  • <strike id="kgogy"></strike><dl id="kgogy"></dl>
  • <menu id="kgogy"></menu>
  • <menu id="kgogy"><em id="kgogy"></em></menu>
  • <tbody id="kgogy"><small id="kgogy"></small></tbody>