维修二手回收爱德万U4941频谱分析仪

爱德万|Advantest U4941 2.2G频谱分析仪 9kHz至2.2GHz
Specifications
Frequency
Frequency range	9kHzto 2.2GHz
Resolution bandwidths	1kHzto 3MHz/outo ,GP(60dB):9/120kHz(not U4941DECT,U4341)
shapefactor	15:1
Frequency span/division	50kHz to 234GHz,zero span
Center frequency accuracy	±5%
Frequency stability	<10kHz,zero opan locdedwith Fref
Resieual FM	<3kHz(V pp)
Referencefrequency drift	±2*10-6/year
Inputlevel	
Preamplifier off	+27dBm(ATT10dB)±50V(DC)max.
Preamplifier on	+13dBm±50V(DC)max.
Dynamic range
Inherentnoise
Preamplifier off	(-117+237f/GHz)dBm
(RBW 1kHz,VBW 10Hz,ATT 0dB,frequnecy>1MHz)
Rpeamplifieron	(132+3.3f/GHz)dBm
(RBW 1kHz,VBW 10Hz,ATT dB,frequnecy>1MHz)
Intermodulation distortion
Preamplifieroff:
2nd-order harmonics	≤-70 dB -30dBm input
(ATT0 dB,frequency>10MHz)
3rorder harmonics	≤-70dB,-30dBm inprt
(ATT 0 dB,frequency>10MHz)
Residualresponses
Preamplifier off	≤-100dBm
(ATT 0 dB,inprt terminated with 50Ω frequency>1MHz)
Preamplifieron	≤-115dBm
(ATT 0 dB,inprt terminated with 50Ω frequency>1MHz)
Pnase noise	-100dBc (Hz) at 20 kHz
Frequency response	±1.0dB(100kHz to 2GHz)
±2.0dB(9kHz to2.2GHz)
(ATT 0 dB,20°C to30°C,ref.to 30MHz and after automatic calibeafion)
Reference level	-64 to +40 dBm (without preamplifier0
Level units	dBm/dBmV/dBV/dBμV/dBpW
Level resolution	10,5,2,1dB
RF attenuator	0to 50dB/10dB
Video filter	10Hz to3MHz
Built-in tracking generator(U4342 only )
Frequency range	100kHz to 2.2GHz
Output level	0 to -30dBm
Sweeptime	4.5ms to 1000s,zero span
U4941	50μsto 1000s,zero apan
Interfaces	IEC625 Bus(IEEE488),RS-232C