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)