合成信號發(fā)生器MG3642A

 Anristu  頻率范圍: 125kHz~2080MHz

產(chǎn)品簡介
特點(diǎn)
125千赫至1040/2080兆赫：經(jīng)濟(jì)而高性能的信號源新的Anritsu合成器技術(shù)允許在整個頻率量程范圍內(nèi)把頻率設(shè)置在0.01赫茲的分辨率上。在任何頻率上可靠測量所產(chǎn)生的一種獨(dú)特的低噪音釔鐵石榴石（YIG）振蕩器產(chǎn)生單邊帶相噪音好于-130分貝/赫茲（1千兆赫，20千赫偏差）的高純度信號，使這些信號發(fā)生器可用于無線電接收機(jī)的干涉測試和不同的本地信號源和參照信號 。
性能：
·0.01赫茲，0.01分貝的分辨率
·高信號純度（-100dBc亂真信號）
·多樣化的調(diào)節(jié)功能
技術(shù)指標(biāo)
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,FM2):One of internal (lnt 1,lnt 2,lnt 3),andexternal (Ex 1 ,Ext 2)
Modulation signal polarity:FM 1, FM 2 positive/negative switchable