Anritsu Spectrum Master Ms2721A Users Manual

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HANDHELD MEASURING INSTRUMENTS
SPECTRUM MASTER

MS2721A
100 kHz to 7.1 GHz

High Performance Handheld Spectrum Analyzer

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 configure the Spectrum Master to meet your most challenging measurement 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 technician 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, further easing the technician’s burden and reducing the chances of errors. 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 connector 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 attenuator 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 functional 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 operating 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.

NEW

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 microseconds 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 accurately 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 memory 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 frequency and delta amplitude. Each marker can have not only a measurement 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.

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HANDHELD MEASURING INSTRUMENTS

Adjacent Channel Power Ratio

Measurement of Channel Power for a GSM Signal

5

Multiple Language Support

Segmented Limit Line

Multiple Markers plus Multiple Delta Markers

Occupied Bandwidth

Frequency

Specifications
Frequency Range

100 kHz to 7.1 GHz (useable to 9 kHz)

Tuning resolution

1 Hz

Frequency Reference

Aging
Accuracy

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

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

Continued on next page

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HANDHELD MEASURING INSTRUMENTS
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
-40
-50
-70
-80

Third Order Intercept (TOI) (preamplifier off)

Frequency
50 MHz to 300 MHz
>300 MHz to 2.2 GHz
>2.2 GHz to 2.8 GHz
>2.8 GHz to 4.0 GHz
>4.0 GHz to 7.1 MHz

dBc,
dBc,
dBc,
dBc,
dBc,

0.05 to 0.75 GHz
>0.75 to 1.05 GHz
>1.05 to 1.4 GHz
>1.4 to 2 GHz
> 2 GHz

Frequency
10 MHz to 1 GHz
>1 GHz to 2.2 GHz
>2.2 GHz to 2.8 GHz
>2.8 GHz to 4.0 GHz
>4.0 GHz to 7.1 GHz

Preamp On
Typical
Max
-153 dBm -151
-150 dBm -149
-146 dBm -143
-150 dBm -149
-148 dBm -146

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

Frequency
10 MHz to 1.0 GHz
>1 GHz to 2.2 GHz
>2.2 GHz to 2.8 GHz
>2.8 GHz to 4.0 GHz
>4.0 GHz to 7.1 GHz

Typical
11 dB
14 dB
18 dB
14 dB
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)

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.

Amplitude

Displayed Average Noise Level
DANL in 10 Hz RBW, dBm

General

Typical
>8 dBm
>10 dBm
>15 dBm
>10 dBm
>13 dBm

dBm
dBm
dBm
dBm
dBm

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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

10580-00103
61382
2300-498
633-44
40-168
806-62
2000-1360
2000-1371
1091-27
1091-172

Standard Accessories
MS2721A User's Guide
MS2721A Soft Carrying Case
Master Products Software Tools Program CD ROM
Rechargeable Li-Ion Battery
AC-DC Adapter
Automotive Cigarette Lighter 12 Volt DC Adapter
USB A/mini-B Cable
Ethernet Cable, 7 feet (213 cm)
Type-N male to SMA female Adapter
Type-N male to BNC female Adapter

42N50A-30
34NN50A
34NFNF50C
15NNF50-1.5B
15NNF50-1.5B
15NN50-1.5C
15NN50-3.0C
15NN50-5.0C
15NNF50-1.5C
15NNF50-3.0C
15NNF50-5.0C
15ND50-1.5C
15NDF50-1.5C

Optional Accessories
30 dB, 50W, Bi-dir., DC-18 GHz, N(m) to N(f) Attenuator
Precision Adapter, DC to 18 GHz, 50 , N(m) to N(m)
Precision Adapter, DC to 18 GHz, 50 , N(f) to N(f)
Test port cable armored, 1.5 meter, N(m) to N(f),
18.0 GHz
Test port cable, armored, 1.5 meter N(m) to N(f) 18 GHz
Test port cable armored, 1.5 meter, N(m) to N(m), 6 GHz
Test port cable armored, 3.0 meter, N(m) to N(m), 6 GHz
Test port cable armored, 5.0 meter, N(m) to N(m), 6 GHz
Test port cable armored, 1.5 meter, N(m) to N(f), 6 GHz
Test port cable armored, 3.0 meter, N(m) to N(f), 6 GHz
Test port cable armored, 5.0 meter, N(m) to N(f), 6 GHz
Test port cable armored, 1.5 meter, N(m) to 7/16 DIN(m),
6.0 GHz
Test port cable armored, 1.5 meter, N(m) to 7/16 DIN(f),
6.0 GHz

Model/Order No.
510-90
510-91
510-92
510-93
510-96
1030-86
1030-87
1030-88
1030-89
510-97
61382
40-168
806-62
760-229
2300-498
10580-00103
10580-00104
10580-00105
633-44
2000-1374
2000-1030
2000-1031
2000-1032
2000-1035
2000-1200
2000-1361
2000-1358

Name
Adapter, 7/16 DIN (f) to N(m), DC to 7.5 GHz, 50Ω
Adapter, 7/16 DIN (f)-N(f), DC to 7.5 GHz, 50Ω
Adapter, 7/16 DIN (m)-N(m), DC to 7.5 GHz, 50Ω
Adapter, 7/16 DIN(m)-N(f), DC to 7.5 GHz, 50Ω
Adapter 7/16 DIN (m) to 7/16 DIN (m), DC to
7.5 GHz, 50Ω
Band Pass Filter, 800 MHz band, 806-869 MHz,
Loss = 1.7 dB, N(m)-SMA(f)
Band Pass Filter, 900 MHz band, 902-960 MHz,
Loss =1.7 dB, N(m)-SMA(f)
Band Pass Filter, 1900 MHz band, 1.85-1.99 GHz,
Loss =1.8 dB, N(m)-SMA(f)
Band Pass Filter, 2400 MHz band, 2.4-2.5 GHz,
Loss =1.9 dB, N(m)-SMA(f)
Adapter 7/16 DIN (f) to 7/16 DIN (f), 7.5 GHz
Spare Soft Carrying Case
Spare AC/DC Adapter
Spare Automotive Cigarette Lighter 12 Volt DC Adapter
MS2721A Transit Case
Master Software Tools Program CD ROM
Anritsu User's Guide, Model MS2721A
Anritsu Programming Manual, Model MS2721A
Anritsu Maintenance Manual, Model MS2721A
Rechargeable battery, Li-Ion
Dual Battery charger, Li-Ion with universal power supply
Portable antenna, 50Ω, SMA (m) 1.71-1.88 GHz
Portable antenna, 50Ω, SMA (m) 1.85-1.99 GHz
Portable antenna, 50Ω, SMA (m) 2.4-2.5 GHz
Portable antenna, 50Ω, SMA (m) 896-941 MHz
Portable antenna, 50Ω, SMA (m) 806-869 MHz
Portable Antenna, 50Ω, SMA (m) 5725-5825 MHz
64 MB Compact Flash Memory Module

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