調制信號發生器MG3670B MG3670C 熊生：13751228936
東莞市創源電子儀器有限公司
★寬頻帶范圍:300KHz~2.25GHz
★可通過后面板擴展連接器MG0301C/ 0302A/ 0305A/ 0307A/ 0311A調制單元擴展
★與日本,北美和歐洲的通信系統測量信號相兼容
★高調制精度(矢量誤差≤1.8%rms)
★輸出調制信號與每個通信系統匹配
★帶數據編輯及倒頻功能的內部圖象發生器
★輸出IS-95通道多路傳輸信號
技術指標
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 10 MHz or 13MHz(±10ppm),,2to 5 Vp-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 50Ω load,≤+5dBmoutput ,CW 
Signal purity Spurious
(at ≤+5 dBm output) ≤-65dBc(≥100kHz offset,≤±100MHz,≤-50dBc(≥100kHzoffset ,full band)
≤-40dBc (≥2.65 HGz,spurious at 5.4-Fout (carrier frequency)GHz],≤-30dBc (harmonics) 
SSB phase noise ≤-120dBc /Hz(100 kHz,offset,CW) 
Dingitalmodulation Intermal modulaton Dependson installed modulationunit(MG030C/0.02A/0.10A/0311A/0312A/0314A 
External 
modulation  ForMG3670B/C,MG3671A/B
Any modulation using I/Q input signal
Input frequency:DCto 1.2 MHz*^3
Input level:sqr(I^2+Q^2)≤0.5 Vrms,BNC connector *I/Q≤1.5Vp-p(50Ω),I/Q≤10%to 100% of 1.5Vp-p(CMOS)
Vector error:≤1.8%rsm (I/Q input level:1 Vrms/50Ω
,at ≤+5 dBm output
For MG3672A
50Ωinput
Input frequency:DC to 30MHz(BW:3dB,18° to 30℃)
Input level:sqr(I^2+Q^2)≤1.0 Vrms,I/Q≤1.5V p-p
CMOSinput
Input frequency:DC to 1.2 MHz,Input level:sqr(I^2+Q^2)≤1.0 Vrms,I/Q≤1.5Vp-p
 
I/Q output OutputsI/Q signal at internal modulation(MG0310A/
0305A/0307A/0310A/0311A/0312A/0314Ainstalled 
Pulse 
modulation Input TTL level,BNC connector,polarity selectable 
On/offratio ≥40 dB (at ≥0 dBm output) 
Transiton time ≤2μs,minimum pulse width:10μs 
Memory
function  Frequency memory 1000carrier frequencies(save and recall) 
Pqrqmetermemory 100 pansettings(save and recall) 
Other
function  Relativedisplay Carrier frequency.output level 
I/Q signal adjustment Varableoffset,balance,phase(only output)
of I/Q input/output signal(DC to 1.2 MHz) 
Backup  Lastsettings stored at power-off 
Reverse power
protecton  Maximum reverse input power:50W(<1000MHz)
±50Vdc  
GPB Allfunctions except power switch and panel 
lock switch controlled Interfacefunction:
SH1,AH1,T6,L4,SR1,RL1,PP0,DC1,C0,EF2  
Operatingtermperatue 0 °to 50 ℃ 
Power 100to 120/200 to 240 Vac (switchable)47.5 to 63Hz 
≤550VA  
Dimensionsand mass (426±5)W*(221.5±4)H*(451±5)Dmm≤27kg 
EMC*^4 EN55011(1991,Group1, Class A),EN50082-1(1992)
,Harmonic curent emissionsEN61000-3-2(1995) 
Safety EN61010-1:1993(InstallationCategoryⅡ,
Pollution DegreeⅡ) W1412Ae
B0416A
B0418A
 Mainframe
Digital Modulation Signal Generator
Digital ModulationSignal Generator
Digital Modulation Signal Generator
DigitalModulation Signal Generator
Digital Modulation Signal Generator
DigitalModulation Signal Generator
Expansion units (factory installed)
μ/4DQPSK Mdodulation Unit(for PDC,PDC_H,PHS,NADC and TFTS communication systems)
GMSKModulation Unit(for GSM,PCN (DCS1800),and CT2 communication system)
BurstFunction Unit (for PDC,PDC_H,PHS,NADC,TFTS,GSM,PCN(DCS1800),CT2,DECT communicationsystem)
μ/4 DQPSK Modulation Unit(for PACS,WCPE,PHS communication system)
QPSKModulation Unit
W-CDMA Modulaiton Unit
Standard accessories(for mainframe)
Coaxialcord(N-P.5D-2W.N-P),1m:
Power cord,2.5m
Shieled cover for GPIB:
Fuse,6.3A(for100 Vac power supply)
Fuse,3.15A(for 200 Vac power supply)
MG3670A/Boperation manual
MG3671A/B operation manual
MG3672B/C,MG3671A/B servicemanual
MG3672A operation manual
Standard accessories(for expansionunits)