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 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)