Anritsu Spectrum Master MS2721A Manual de usuario

http://www.anritsu.com 322

The MS2721A is the first handheld spectrum analyzer to deliver the

ability to measure very low level signals with a displayed average

noise level of ≤-153 dBm typical @ 1 GHz in a 10 Hz RBW. Coupled

with a wide range of resolution bandwidth choices, you can config-

ure the Spectrum Master to meet your most challenging measure-

ment needs. As the spectrum becomes more and more congested,

the ability to measure low level, closely spaced signals becomes

more and more important not only for interference detection but also

for wireless system planning.

Operating convenience is of paramount important importance when

equipment is used in the field. The input attenuation value can be tied

to the reference level, reducing the number of parameters a field tech-

nician may have to set. The RBW/VBW and the span/RBW ratios can

be set to values that are best for the measurements being made, fur-

ther easing the technician’s burden and reducing the chances of er-

rors. Thousands of traces with names up to 15 characters long may

be saved in the 64 MB non-volatile compact flash memory. These

traces can later be copied into a PC using the built-in USB 2.0 con-

nector or the 10/100 MHz Ethernet connection, or by copying them

to an external Compact Flash card. The MS2721A Spectrum Master

has a very wide dynamic range (>80 dB), allowing measurement of

very small signals in the presence of much larger signals.

Resolution bandwidth and video bandwidth can be independently set

to meet a user’s measurement needs. In addition the input attenua-

tor value can be set by the user and the preamplifier can be turned

on or off as needed. For maximum flexibility, sweep triggering can be

set to free run, or to do a single sweep.

Light Weight

Weighing about six pounds, including a Li-Ion battery, this fully func-

tional handheld spectrum analyzer is light enough to take anywhere,

including up a tower.

With the supplied Remote Access Software you can control an

MS2721A that is miles away, seeing the screen display and operat-

ing with an interface that looks exactly like the instrument itself.

The MS2721A features eight languages English, Spanish, German,

French, Japanese, Chinese, Italian and Korean, plus two custom,

user defined languages can be uploaded into the instrument using

Master Software Tools, supplied with the instrument.

Fast Sweep Speed

The MS2721A can do a full span sweep in ≤900 milliseconds, and

sweep speed in zero span can be set from less than 50 microsec-

onds up to over 4000 seconds. This is faster and more flexible than

any portable spectrum analyzer on the market today, simplifying the

capture of intermittent interference signals.

+43 dBm Maximum Safe Input Level

Because the MS2721A can survive an input signal of +43 dBm –20

watts –without damage, you can rest assured that the MS2721A can

survive in even the toughest RF environments.

Spectrum Monitoring

A critical function of any spectrum analyzer is the ability to accurate-

ly view a portion of the RF and microwave spectrum. The MS2721A

performs this function admirably thanks to the wide frequency range

and excellent dynamic range. A built-in 64 MB compact flash memo-

ry module allows over 2000 traces to be stored. An external compact

flash socket allows additional compact flash memory to expand the

trace storage without limit.

Multiple Markers

Display up to six markers on screen, each with delta marker capability.

In addition you may select a marker table that simultaneously shows

the status of all markers. In the table you can see the frequency, and

amplitude measurement value for all markers along with delta fre-

quency and delta amplitude. Each marker can have not only a mea-

surement reference frequency but also a delta frequency and delta

amplitude, effectively giving you up to twelve markers if you need them!

Noise Markers

The capability to measure noise level in terms of dBm/Hz or

dBµV/Hz is a standard feature of the MS2721A.

Frequency Counter Markers

The MS2721A Spectrum Master has frequency counter markers with

resolution to 1 Hz. Tie this capability to an external precision time

base to get complementary accuracy and resolution.

Smart Measurements

The MS2721A has dedicated routines for smart measurements of

field strength, channel power, occupied bandwidth, Adjacent

Channel Power Ratio (ACPR) and C/I.

HANDHELD MEASURING INSTRUMENTS

SPECTRUM MASTER

MS2721A

100 kHz to 7.1 GHz

High Performance Handheld Spectrum Analyzer

NNEE

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HANDHELD MEASURING INSTRUMENTS

Adjacent Channel Power Ratio Measurement of Channel Power for a GSM Signal

Multiple Language Support Segmented Limit Line

Multiple Markers plus Multiple Delta Markers Occupied Bandwidth

Frequency

Frequency Range 100 kHz to 7.1 GHz (useable to 9 kHz)

Tuning resolution 1 Hz

Frequency Reference Aging ±1 ppm/year

Accuracy ±1 ppm (25°C ± 25°C) + long term drift

Frequency Span 10 Hz to 7.1 GHz plus 0 Hz (zero span)

Span Accuracy Same as frequency reference accuracy

Sweep Time minimum 100 ms, 50 µs in zero span

Sweep Time Accuracy ± 2% in zero span

Sweep Trigger Free run, Single, Video, External

Resolution Bandwidth (-3 dB width) 10 Hz to 3 MHz in 1-3 sequence ± 10% , 8 MHz demodulation bandwidth

Video Bandwidth (-3 dB) 1 Hz to 3 MHz in 1-3 sequence

SSB Phase Noise -100 dBc/Hz max at 10, 20 & 30 kHz offset from carrier

-102 dBc/Hz max at 100 kHz offset from carrier

Specifications

Continued on next page

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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)

General

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.

http://www.anritsu.com 325

HANDHELD MEASURING INSTRUMENTS

Ordering Information

Please specify model/order number, name, and quantity when ordering.

Model/Order No.

Name

MS2721A Handheld Spectrum Analyzer: 100 kHz to 7.1 GHz

Standard Accessories

10580-00103 MS2721A User's Guide

61382 MS2721A Soft Carrying Case

2300-498 Master Products Software Tools Program CD ROM

633-44 Rechargeable Li-Ion Battery

40-168 AC-DC Adapter

806-62 Automotive Cigarette Lighter 12 Volt DC Adapter

2000-1360 USB A/mini-B Cable

2000-1371 Ethernet Cable, 7 feet (213 cm)

1091-27 Type-N male to SMA female Adapter

1091-172 Type-N male to BNC female Adapter

Optional Accessories

42N50A-30 30 dB, 50W, Bi-dir., DC-18 GHz, N(m) to N(f) Attenuator

34NN50A Precision Adapter, DC to 18 GHz, 50 , N(m) to N(m)

34NFNF50C Precision Adapter, DC to 18 GHz, 50 , N(f) to N(f)

15NNF50-1.5B Test port cable armored, 1.5 meter, N(m) to N(f),

18.0 GHz

15NNF50-1.5B Test port cable, armored, 1.5 meter N(m) to N(f) 18 GHz

15NN50-1.5C Test port cable armored, 1.5 meter, N(m) to N(m), 6 GHz

15NN50-3.0C Test port cable armored, 3.0 meter, N(m) to N(m), 6 GHz

15NN50-5.0C Test port cable armored, 5.0 meter, N(m) to N(m), 6 GHz

15NNF50-1.5C Test port cable armored, 1.5 meter, N(m) to N(f), 6 GHz

15NNF50-3.0C Test port cable armored, 3.0 meter, N(m) to N(f), 6 GHz

15NNF50-5.0C Test port cable armored, 5.0 meter, N(m) to N(f), 6 GHz

15ND50-1.5C Test port cable armored, 1.5 meter, N(m) to 7/16 DIN(m),

6.0 GHz

15NDF50-1.5C Test port cable armored, 1.5 meter, N(m) to 7/16 DIN(f),

6.0 GHz

Model/Order No.

Name

510-90 Adapter, 7/16 DIN (f) to N(m), DC to 7.5 GHz, 50Ω

510-91 Adapter, 7/16 DIN (f)-N(f), DC to 7.5 GHz, 50Ω

510-92 Adapter, 7/16 DIN (m)-N(m), DC to 7.5 GHz, 50Ω

510-93 Adapter, 7/16 DIN(m)-N(f), DC to 7.5 GHz, 50Ω

510-96 Adapter 7/16 DIN (m) to 7/16 DIN (m), DC to

7.5 GHz, 50Ω

1030-86 Band Pass Filter, 800 MHz band, 806-869 MHz,

Loss = 1.7 dB, N(m)-SMA(f)

1030-87 Band Pass Filter, 900 MHz band, 902-960 MHz,

Loss =1.7 dB, N(m)-SMA(f)

1030-88 Band Pass Filter, 1900 MHz band, 1.85-1.99 GHz,

Loss =1.8 dB, N(m)-SMA(f)

1030-89 Band Pass Filter, 2400 MHz band, 2.4-2.5 GHz,

Loss =1.9 dB, N(m)-SMA(f)

510-97 Adapter 7/16 DIN (f) to 7/16 DIN (f), 7.5 GHz

61382 Spare Soft Carrying Case

40-168 Spare AC/DC Adapter

806-62 Spare Automotive Cigarette Lighter 12 Volt DC Adapter

760-229 MS2721A Transit Case

2300-498 Master Software Tools Program CD ROM

10580-00103 Anritsu User's Guide, Model MS2721A

10580-00104 Anritsu Programming Manual, Model MS2721A

10580-00105 Anritsu Maintenance Manual, Model MS2721A

633-44 Rechargeable battery, Li-Ion

2000-1374 Dual Battery charger, Li-Ion with universal power supply

2000-1030 Portable antenna, 50Ω, SMA (m) 1.71-1.88 GHz

2000-1031 Portable antenna, 50Ω, SMA (m) 1.85-1.99 GHz

2000-1032 Portable antenna, 50Ω, SMA (m) 2.4-2.5 GHz

2000-1035 Portable antenna, 50Ω, SMA (m) 896-941 MHz

2000-1200 Portable antenna, 50Ω, SMA (m) 806-869 MHz

2000-1361 Portable Antenna, 50Ω, SMA (m) 5725-5825 MHz

2000-1358 64 MB Compact Flash Memory Module

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