Anritsu Spectrum Master MS2721A Manual De Usuario

324

HANDHELD MEASURING INSTRUMENTS

Amplitude

Measurement Range

DANL to +30 dBm

Absolute amplitude accuracy 
(Power levels 

≥

-50 dBm, 

≤

35 dB input

attenuation, preamp off)

100 kHz to 

≤

10 MHz ±1.5 dB

>10 MHz to 4 GHz

±1.25 dB

>4 GHz to 7.1 GHz

±1.75 dB

Second Harmonic Distortion (0 dB input
attenuation, -30 dBm input)

-50 dBc,

0.05 to 0.75 GHz

-40 dBc,

>0.75 to 1.05 GHz

-50 dBc,

>1.05 to 1.4 GHz

-70 dBc,

>1.4 to 2 GHz

-80 dBc,

> 2 GHz

Third Order Intercept (TOI) (preamplifier off)

Frequency Typical
50 MHz to 300 MHz

>8 dBm

>300 MHz to 2.2 GHz

>10 dBm

>2.2 GHz to 2.8 GHz

>15 dBm

>2.8 GHz to 4.0 GHz

>10 dBm

>4.0 GHz to 7.1 MHz

>13 dBm

Displayed Average Noise Level
DANL in 10 Hz RBW, dBm

Frequency

Preamp On

Typical

Max

10 MHz to 1 GHz

-153 dBm -151 dBm

>1 GHz to 2.2 GHz

-150 dBm -149 dBm

>2.2 GHz to 2.8 GHz

-146 dBm -143 dBm

>2.8 GHz to 4.0 GHz

-150 dBm -149 dBm

>4.0 GHz to 7.1 GHz

-148 dBm -146 dBm

Noise Figure 
(Derived from DANL measurement)
0 dB attenuation, reference level -50 dBm,
23°C, preamplifier on

Frequency

Typical

10 MHz to 1.0 GHz

11 dB

>1 GHz to 2.2 GHz

14 dB

>2.2 GHz to 2.8 GHz

18 dB

>2.8 GHz to 4.0 GHz

14 dB

>4.0 GHz to 7.1 GHz

16 dB

Display Range

1 to 15 dB/div in 1 dB steps. Ten divisions displayed.

Amplitude Units

Log Scale modes dBm, dBV, dBmv, dBµV

Linear Scale Modes

nV, µV, mV, V, kV, nW, µW, mW, W, kW

Attenuator range

0 to 65 dB

Attenuator resolution

5 dB steps

Input-Related Spurious

-60 dBc max*, (<-70 dBc typical), -30 dBm input, 0 dB RF attenuation
*Exceptions:
Input frequency

Spur Level

1674 MHz

-46 dBc max (-56 dBc typical), 0 to 2800 MHz

>1674 to 1774 MHz

-50 dBc max (-60 dBc typical) at (Finput – 1674 MHz)

>1774 to 2900 MHz

-48 dBc max (-68 dBc typical) at (Finput – 1674 MHz)

Residual Spurious, preamp off 

(RF input terminated, 0 dB RF attenuation)
-90 dBm max**,

100 kHz to <3200 MHz

-84 dBm max**,

3200 to 7100 MHz

**Exceptions:
Frequency

Spur Level

250, 300 & 350 MHz

-85 dBm max

~4010 MHz

-80 dBm max (-90 dBm typical)

~5084 MHz

-70 dBm max (-83 dBm typical)

~5894 MHz

-75 dBm max (-87 dBm typical)

~7028 MHz

-80 dBm max (-92 dBm typical)

Residual Spurious, preamp on:

-100 dBm max
(RF input terminated, 0 dB RF attenuation)

Gener

al

Maximum Continuous Input

≥

10 dB attenuation, +30 dBm

Input Damage Level

≥

10 dB attenuation, >+43 dBm, ±50 Vdc

<10 dB attenuation, >+23 dBm, ±50 Vdc

RF Input VSWR

2.0:1 maximum, 1.5:1 typical (

≥

10 dB attenuation)

Reference Level

Adjustable over amplitude range

ESD Damage Level

>10 kV 

≥

10 dB attenuation

Functions

Multiple Marker Display up to six markers on screen, each marker includes a delta marker.
Marker Table Display a table of up to six marker frequency and amplitude values plus delta marker 

frequency offset and amplitude.

Upper & Lower Limit Lines

Each upper and lower limit can contain up to 40 segments.