㊣ MG3670B 回收 MG3670B 調(diào)制信號(hào)發(fā)生器
深圳市誠(chéng)星儀器有限公司
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★寬頻帶范圍:300KHz~2.25GHz
★可通過(guò)后面板擴(kuò)展連接器MG0301C/ 0302A/ 0305A/ 0307A/ 0311A調(diào)制單元擴(kuò)展
★與日本,北美和歐洲的通信系統(tǒng)測(cè)量信號(hào)相兼容
★高調(diào)制精度(矢量誤差≤1.8%rms)
★輸出調(diào)制信號(hào)與每個(gè)通信系統(tǒng)匹配
★帶數(shù)據(jù)編輯及倒頻功能的內(nèi)部圖象發(fā)生器
★輸出IS-95通道多路傳輸信號(hào)
技術(shù)指標(biāo):
Carrierfrequency Frequency range 300kHz to 2250 MHz(mg3670B/C),300kHz
to 2750MHz(MG3671A/B and MG3672A)
Accuracy Dependson installed reference cscillator*^1
Intemalreference oscillator Frequency:10MHz
Start-up characteristics:≤1*10^-7/day(after 30 min.warm-up),≤5*10^
-8/day(after60 min.warm-up)
Aging rate:≤2*10^-8/day(after 24 h warm-up)
Temperaturecharacteristics:Aging rate:≤±5*10^-8(0 °to 50℃)
Extemalreference input 10MHz or13MHz(±10ppm),,2to5Vp-p,BNC connector
(rear panel)
Referenceoutput 10 MHz,2 to 5Vp-p,BNC connector(rearpanel)
Output Levelrange*^2 -143 to +13 dBm(resolution:0.1dB)
Frequency response ≤±dB(at0 dBm output)
Level accuracy*^2 Outputlevel/frequency ≤1000MHz >1000MHz
-33 to +13dBm ±1dB ±2dB
-123 to -33.1dBm ±1.5dB ±2dB
-136 to 123.4dBm ±3dB ±4dB
Impedance 50Ω,N-typeconnctor
Continuously varible level*^2 Continuouslyvariableoutput over 20dB rqnge(+8 to -12dB) in 0.1dB steps within upper and lowerlimlits of any output level
Level unit dBm,dBμ,μV,mV,V(dBμ,μV,mV,Vselected terminate/open voltagedisplay)
Interferenceraeiation ≤1μV*Measured 25 mm from cabinet(exceptrear pane)with two-turn 25 mm diameter loop antenna ,terminated with 5
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