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