合成信号发生器MG3642A
Anristu 频率范围: 125kHz~2080MHz
产品简介
特点
125千赫至1040/2080兆赫：经济而高性能的信号源新的Anritsu合成器技术允许在整个频率量程范围内把频率设置在0.01赫兹的分辨率上。在任何频率上可靠测量所产生的一种独特的低噪音钇铁石榴石（YIG）振荡器产生单边带相噪音好于-130分贝/赫兹（1千兆赫，20千赫偏差）的高纯度信号，使这些信号发生器可用于无线电接收机的干涉测试和不同的本地信号源和参照信号 。
性能：
•0.01赫兹，0.01分贝的分辨率
•高信号纯度（-100dBc乱真信号）
•多样化的调节功能
技术指标
Carrier frequency Range:125kHz to 2080MHz
Resolution:0.01Hz
Accuracy:Reference oscillator accuracy;reference oscillator
accuracy±(0.3%ofFM setting deviatin+5Hz)at frequency
modulation
Internal reference oscillator*^1
Frequency:10MHz ,Aging rate:±5*10^-9/day,Start-up
characteristics:1*10^-7/10min(for 24 h after power on )
Temperature stability:±3*10^-8(0° to 50℃)
External reference input:5/10 MHz,±10ppm,≥0.7Vp-p/50Ω(AC coupling) ,BNCconnector(rear panel)
Buffer output:10MHz TTL level(DC coupling )BNC connector(rear panel)
Switching timw:<40ms (external control mresponse time fron lase commanduntil becomes within±0.01ppm of set frequency)
Output Range:-143 to +17dBm (settable range:-143 to +23dBm)
Units:dBm,dBμ,V,mV,μV,(dBμ,V,mV and μV switchable between
terminationvoltage display and open voltage display)
Resolution:0.01dB
Frequency characteristics(at 0dBm):±1.0dB(pulse
modulation:on(*^2
Impedance:50Ω(N connector )VSWR :<1.5(≤-3dBm),<2.5(>-3dBm)
Switching time :<50ms(normal mode)<100ms (level safetymod)<10 ms(continuous mode)
*Response time from last command until becomes within±0.5dB of final level
Special setting mode
Continuous mode:Variable within set value±10dB with no interruption of output
Safety mode:Preent large spike signal grneration when operationg emchanical-typeattenuator
Interference frdiator:<0.1μV(at ouptput frequency),<1μV(over entirefrequency range mmultl-menu display:OFF)
*At point 25mm from cabinet measured with 25 mm diameter loop antenna (2windings)terminated at 50Ω
Signal purity Spurious(CW mode,≤+7dBm) HarmonicsL<-30dBc(2nd,3rd)
Non-harmonic:<-100dBc (≥15kHz offset)
Those related power:<-40dBc(<15kHz offset)
SSB phase noise(CW Mode,20kHz offset):
<-140dBc/Hz(10 to 256MHz),<-136dBc/Hz(256 to 512MHz),<130dBc/Hz(512to 1040MHz)
<-124dBc/Hz (>1040MHz,MG3642A only)
Residual AM:<-80 dBc (≥500kHz ,CW mode,+7dBm,50Hz to 15kHz demodulationband)
Residual FM(CW mode)
300Hz to 3 kHz demodulation band:<4Hzrms(10 to <512MHz),<8Hzrms(512to 1040MHz,MG3642A only)
50Hz to 15kHz demodulation band:<5Hzrms(10 to <512MHz),<8Hzrms(512to 1040MHz,MG3642A only)
Amplitude
modulation Range:0% to 100%
Resolution:0.01%
Accuracy:±(5% of set value+2%)*≥0.4MHz ,≤+7dBm,≤90%
AM,source:lnt 1(1kHz),300Hzto 3kHz demodulation band
Modulation frequency response(output:≤±+7dBm)
Distortion:<-40dB (30% AM),<-30dB(90%AM)*≥0.4MHz,≤+7dBm,source:lnt1(1kHz)
Incidental FM:<200 Hz peak*≥0.4MHz ≤+7dBm source:lint 1 (1kHz)300Hzto 3kHz demodulation band
Modulation signal source:One of internal (li\nt 1,lnt 2,lnt 3)and external(Ext 1, Ext 2)
Modulation signal Positive/negative switchable
Frequency
modulation
Accuracy:±(5% of set value+10Hz)(0.4 to <512MHz),±(5% of set value+20Hz)(512to 1040MHz)
±(5% of set value+40 Hz)(>1040MHz,MG3642A only)
*Source:lnt 1(1kHz),300 Hz to 3kHz demodulation band
Modulation frequency response:DC or 20 Hz*^3 to 20kHz(0.4 to <10MHz)DCor 20Hz*^3 to 100kHz(≥10MHz)*±1dB bandwidth
Distortion:<-40dB*≥16MHz,3.5kHz deviation,source:lnt 1(1kHz)
<-45dB*≥16MHz,3.5kHz deviation,source:lnt 1(1kHz)
Incidental FM:<1% peak*≥64MHz,≤+7dBm,100kHz
deviation,source:;lnt 1(1kHz),300Hzto 3kHz demodulation band External modulation grop delay:<30μs*≥
10MHz,source:external DC couplingmodemmodulation rate:≤100kHz
Modulation signal source(FM1,***):One of internal (lnt 1,lnt 2,lnt 3),andexternal (Ex 1 ,Ext 2)
Modulation signal polarity:FM 1, FM 2 positive/negative switchable
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