Real-time Spectrum Analyzers
RSA6100A Series 6.2 GHz and 14 GHz Real-time Spectrum Analyzers
Completely Characterize Time-varying RF Signals
The RSA6100A Series will help you to
easily discover design issues that other
signal analyzers may miss. The revolutionary DPX spectrum display offers an
intuitive live color view of signal transients
changing over time in the frequency
domain, giving you immediate confidence
in the stability of your design, or instantly
displaying a fault when it occurs. This live
display of transients is impossible with
other signal analyzers. Once a problem is
discovered with DPX, the RSA6100A
Series of Real-time Spectrum Analyzers
(RTSA) can be set to trigger on the event,
capture a continuous time record of
changing RF events and perform timecorrelated analysis in all domains. You get
the functionality of a wide-band vector
signal analyzer, a spectrum analyzer and
the unique trigger-capture-analyze capability
of a Real-Time Spectrum Analyzer — all in
a single package.
Features & Benefits
Discover
– Revolutionary DPX®Displays
Transients as Short as 24 µs with
100% probability of intercept
– DPX Spectrum Processing
Provides an Intuitive Understanding of Time-varying RF
Signals with Color-graded
Displays Based on Frequency
of Occurrence
Trigger
– Tektronix Exclusive 40 MHz
and 110 MHz Frequency Mask
Triggers (FMT) Offer Easy Eventbased Capture of Transient RF
Signals by Triggering on Any
Change in the Frequency Domain
Capture
– All Signals in Up to 110 MHz
Spans Are Captured into Memory
– Up to 1.7 s Acquisition Length
at 110 MHz Bandwidth Provides
Complete Analysis Over Time
Without Making Multiple
Acquisitions
Analyze
– Extensive Time-correlated
Multi-domain Displays Connect
Problems in Time, Frequency,
Phase and Amplitude for Quicker
Understanding of Cause and
Effect when Troubleshooting
– Power Measurements and Signal
Statistics Help You Characterize
Components and Systems:
ACLR, Multi-Carrier ACLR,
Power vs. Time, CCDF
– Advanced Measurement Suite
(Opt. 20) – Pulse Measurements
Including Rise Time, Pulse Width
and Pulse-to-Pulse Phase
Provide Deep Insight into
Pulse Train Behavior
– General Purpose Digital
Modulation Analysis (Opt. 21)
Provides Vector Signal Analyzer
Functionality
Revolutionary DPX spectrum display reveals transient signal behavior that helps you discover instability,
glitches and interference. Here, an infrequently occurring transient is seen in detail. The frequency
of occurrence is color-graded, indicating the infrequent transient event in blue and the noise background in red.
Applications
Characterize Radar and Pulsed
RF Signals
Capture Vector Signal Parameters
of Multi-Carrier 3G and 4G
Systems for Offline Analysis
Analyze Time Variant Behavior
of Cognitive Radio and Software
Defined Radio Systems
Find Interference and Unknown
Signals in Spectrum Monitoring
and Surveillance
Troubleshoot RF Components,
Modules or Systems
Real-time Spectrum Analyzers
RSA6100A Series 6.2 GHz and 14 GHz Real-Time Spectrum Analyzers
Discover
®
The patented DPX
spectrum processing
engine brings live analysis of transient
events to spectrum analyzers. Performing
>48,000 frequency transforms per second,
transients as brief as 24 µs in length are
displayed in the frequency domain. This
is a 1000-fold improvement over swept
analysis techniques. Events can be color
coded by rate of occurrence onto a bitmapped display, providing unparalleled
insight into transient signal behavior.
Trigger
The patented Tektronix Frequency Mask
Trigger (FMT) Opt. 02 makes it easy to
capture transient signals in up to a 110 MHz
bandwidth. An FMT is simply configured
to monitor all changes in frequency occupancy within the capture bandwidth. A
Power Trigger, working in the time domain
and in any capture bandwidth, can be
armed to monitor for a user-set power
threshold to be crossed during a moment
in time. Resolution bandwidths may be
used with the power trigger for bandlimiting and noise reduction. Two external
triggers are available for synchronization
to test system events.
Capture
Capture once – make multiple measurements without recapturing. All signals in a
capture bandwidth are recorded into the
RSA6100A Series deep memory. Record
lengths vary depending upon the selected
capture bandwidth – up to 1.7 seconds at
110 MHz, 102 seconds at 1 MHz or 2.1
Trigger and Capture: The frequency mask trigger monitors for changes in the frequency domain and
captures any violations into memory. The spectrogram display (left panel) shows frequency and amplitude
changing over time. By selecting the point in time in the spectrogram where the spectrum violation
triggered the FMT, the frequency domain view (right panel) automatically updates to show the
detailed spectrum view at that precise moment in time.
hours at 10 kHz bandwidth with FMT/Deep
Memory Option 02. Real-time capture of
small signals in the presence of large
signals is enabled with 73 dB SFDR in all
capture bandwidths, even up to 110 MHz
(Opt. 110).
Analyze
The RSA6100A Series introduces analysis
capabilities that advance productivity for
engineers working on components or in
RF system design, integration and performance verification, or operations engineers
working in networks, spectrum monitoring
or surveillance. Spectrograms display both
frequency and amplitude changes over
time. Time-correlated measurements can
be made across the frequency, phase,
amplitude and modulation domains. This
is ideal for signal analysis that includes
frequency hopping, pulse characteristics,
modulation switching, settling time, bandwidth changes and intermittent signals.
The Windows XP environment makes this
multi-domain analysis even easier with an
unlimited number of analysis windows, all
time-correlated, to provide deeper insight
into signal behavior. A user interface that
adapts to your preferences (keyboard,
front-panel, touch-screen and mouse)
makes learning the RSA6100A Series
easy for both first-time users and experienced hands.
Real-time Spectrum Analyzers • www.tektronix.com/rsa
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Real-time Spectrum Analyzers
RSA6100A Series 6.2 GHz and 14 GHz Real-Time Spectrum Analyzers
Example Applications Benefiting from Key RSA6100A Series Standard Capabilities and Options
Analysis Feature SDR and Cognitive Cellular, WLAN, Radar, Pulsed Surveillance,
Radio General Comms Signals Spectrum Monitoring
DPX®Spectrum Processing X X X X
Frequency Mask Trigger X X X X
(Opt. 02)
110 MHz Capture Bandwidth X X X X
(Opt. 110)
Spectrogram X X X X
Multi-domain Correlation X X X X
Internal Preamplifier (Opt. 01) X X X X
Digital IQ and Analog
IF Output (Opt. 05) X X X X
Removable HDD (Opt. 06) XX
General Purpose Digital
Modulation Analysis (Opt. 21) X X X X
Advanced (Pulsed) Signal
Analysis (Opt. 20) XX
Time-correlated, multi-domain view provides a new level of insight into
design or operational problems not possible with conventional analysis
solutions. Here, ACLR and Vector Modulation Quality (Opt. 21) are performed on a single acquisition, combined with the continuous monitoring
of the DPX spectrum display.
Real-time Spectrum Analyzers • www.tektronix.com/rsa
Pulse measurements, available in the Advanced Signal Analysis package
(Opt. 20): A pulse train (upper left) is seen with measurements of peak
power, pulse width, rise time and pulse-to-pulse phase (upper right). A
detailed view of the pulse rise time is seen in the lower left, and a DPX
display monitors the spectrum on the lower right.
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Real-time Spectrum Analyzers
RSA6100A Series 6.2 GHz and 14 GHz Real-Time Spectrum Analyzers
Characteristics
Trigger-related
Acquisition Mode –
Single or Continuous, Free Run or Triggered.
Trigger Event Source –
Trigger 1 (front),Trigger 2/Gate (rear), Line.
Trigger Types – Level or Frequency Mask.
Trigger Setting –
Trigger position settable from 0 to 100% of total
acquisition length.
Trigger Combinational Logic –
Trig 1 AND Trig 2/Gate may be defined as
a trigger event.
Trigger Delay –
Range: 20 ns to 60 s.
Resolution: 20 ns.
Uncertainty: ±20 ns.
Power Level Trigger
Level Range –
0 dB to –100 dB from reference level.
Accuracy –
(For trigger levels >30 dB above noise floor,
10% to 90% of signal level).
±0.5 dB ( level ≥ –50 dB from reference level).
±1.5 dB (from <–50 dB to –70 dB from
reference level).
Trigger Bandwidth Range –
(At maximum acquisition BW.)
4 kHz to 20 MHz + wide open (standard).
11 kHz to 60 MHz + wide open (Option 110).
Trigger Position Timing Uncertainty –
40 MHz Acquisition BW, 20 MHz BW:
Uncertainty = ±10 ns.
110 MHz Acquisition BW, 60 MHz BW (Opt. 110):
Uncertainty = ±3.3 ns.
Frequency Mask Trigger
(Opt. 02)
Mask Shape – User-defined.
Mask Point Horizontal Resolution –
<0.2% of span.
Level Range – 0 dB to –80 dB from reference level.
Level Accuracy
0 to –50 dB from reference level:
±(IF Frequency Response + 1.0 dB).
–50 dB to –70 dB from reference level:
±(IF Frequency Response + 2.5 dB).
*1
–
Span Range –
100 Hz to 40 MHz (Option 02).
100 Hz to 110 MHz (Option 02 + Option 110).
Minimum Event Duration for 100% Probability
of Trigger –
(At maximum acquisition bandwidth.)
30.7 µSec (10.3 µSec, Opt. 02 + Opt. 110).
Events lasting less than minimum event duration
specification will result in degraded Frequency Mask
Trigger accuracy.
Trigger Position Uncertainty –
SSppaann == 4400 MMHHzz ––
SSppaann == 111100 MMHHzz ––
External Trigger 1
±10.3 µs.
±3.4 µs (Opt. 02 + Opt. 110).
Level Range – –2.5 V to +2.5 V.
Level Setting Resolution – 0.01 V.
Trigger Position Timing Uncertainty
(50 Ω Input Impedance) –
40 MHz acquisition BW, 40 MHz Span:
Uncertainty = ±20 ns.
110 MHz acquisition BW, 110 MHz Span (Opt 110):
Uncertainty = ±12 ns.
Input Impedance –
Selectable 50 Ω/5 kΩ Impedance (nominal).
*1
For masks >30 dB above noise floor.
External Trigger 2
Threshold Voltage – Fixed, TTL.
Input Impedance – 10 kΩ (nominal).
Trigger State Select – High, low.
Trigger Output
Voltage (Output Current <1 mA) –
High: >2.0 V; Low: <0.4 V (LVTTL).
Capture-related
Real-time Capture Bandwidth –
40 MHz (110 MHz, Opt. 110).
A/D Converter –
100 MS/s 14-Bit (additional 300 MS/s,
12-Bit, Opt. 110).
Acquisition Memory Size – 256 MB (1 GB,
Opt. 02).
Minimum Acquisition Length – 2 Samples.
Acquisition Length Setting Resolution –
1 Sample.
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Real-time Spectrum Analyzers • www.tektronix.com/rsa
Real-time Spectrum Analyzers
RSA6100A Series 6.2 GHz and 14 GHz Real-Time Spectrum Analyzers
Memory Depth (Time) and Minimum Time Domain Resolution
Acquisition BW Sample Rate Acquisition Time Acquisition Time Min. Time
(For I and Q) (Option 02) Resolution
110 MHz (Opt. 110) 150 MS/s 0.426 s 1.706 s 6.6667 ns
60 MHz (Opt. 110) 75 MS/s 0.852 s 3.413 s 13.33 ns
40 MHz 50 MS/s 1.28 s 5.12 s 20 ns
20 MHz 25 MS/s 2.56 s 10.2 s 40 ns
10 MHz 12.5 MS/s 5.12 s 20.5 s 80 ns
5 MHz 6.25 MS/s 10.2 s 41.0 s 160 ns
*1
2 MHz
1 MHz 1.56 MS/s 20.5 s 81.9 s 640 ns
500 kHz 781 kS/s 41.0 s 164 s 1.28 µs
200 kHz 390 kS/s 81.9 s 328 s 2.56 µs
100 kHz 195 kS/s 164 s 655 s 5.12 µs
50 kHz 97.6 kS/s 328 s 1310 s 10.24 µs
20 kHz 48.8 kS/s 655 s 2620 s 20.48 µs
10 kHz 24.4 kS/s 1310 s 5240 s 40.96 µs
5 kHz 12.2 kS/s 2620 s 10500 s 81.92 µs
2 kHz 3.05 kS/s 10500 s 41900 s 328 µs
1 kHz 1.52 kS/s 21000 s 83900 s 655 µs
500 Hz 762 S/s 41900 s 168000 s 1.31 ms
200 Hz 381 S/s 83900 s 336000 s 2.62 ms
100 Hz 190 S/s 168300 s 671000 s 5.24 ms
3.125 MS/s 10.2 s 41.0 s 320 ns
*1In spans ≤2 MHz, higher resolution data is stored, reducing acquisition time.
Real-time Spectrum Analyzers • www.tektronix.com/rsa
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