★宽频带范围:300KHz~2.25GHz
★可通过后面板扩展连接器MG0301C/ 0302A/ 030**/ 0307A/ 0311A调制单元扩展
★与日本,北美和欧洲的通信系统测量信号相兼容
★高调制精度(矢量误差≤1.8%rms)
★输出调制信号与每个通信系统匹配
★带数据编辑及倒频功能的内部图象发生器
★输出IS-95通道多路传输信号
技术指标:
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 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 **
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 ** 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 ** at internal modulation(MG0310A/
030**/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 ** adjustment Varableoffset,balance,phase(only output)
of I/Q input/output **(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 E**5011(1991,Group1, Class A),E**0082-1(1992)
,Harmonic curent emissionsE**1000-3-2(1995)
Safety E**1010-1:1993(InstallationCategoryⅡ,
Pollution DegreeⅡ)
B0418A
Mainframe
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,*A(for 200 Vac power supply)
MG3670A/Boperation manual
MG3671A/B operation manual
MG3672B/C,MG3671A/B servicemanual
MG3672A operation manual
Standard accessories(for expansionunits)
Mg0307A/0303B operation manual
Exchange sheet for real lpalnel
Mg0314A operation manual
Exchange front panel sheet
MG3670/3671/3672-01
MG3670/3671/3672-02
MG3670/3671/3672-03
Model Start-upcharacteristics Aging rate Temperaturecharacteristic(0°to 50℃
MG3670/3671/3672Option 01 7*10/day(after 30min.warm-up)
3*10/day(after60min.warm-up)
5*10/day(after 24-h warm-up) ±5*10/day
MG3670/3671/3672 Option 02 2*10/day(after60min.warm-up) 2*10/day(after48-h warm-up) ±1.5*10/day
MG3670/3671/3672Option 03 - 5*10/day(after48-h warm-up) ±5*10/day
MG3670BOption 20 RF off release function(When RFis off,level setting is enabled.)
MG0301COption 22 RHS LCCH super frame control patternfunction(artificial base station ** output for field strength measurement:APS connection test is impossible.)
MG0302AOption23 CT2 MUX3 control pattern function
MG3670B/3671A Option 25 Formatupgrade(enables MG0310A to be used in MG3670B/3671A