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Máy phân tích phổ thời gian thực Tektronix RSA6106B (9 kHz - 6.2 GHz )

  • Hãng sản xuất : TEKTRONIX
    Danh mục : Máy phân tích phổ
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Hãng sản xuất: Tektronix
Model: RSA6106B

Datasheet

Specifications

All specifications apply to all models unless noted otherwise.

Model overview

For optional displays and measurements, see the individual options sections

 
DPX®-based measurements on real-time data

DPX Spectrum display (live RF color-graded spectrum)

DPX Spectrogram (Live spectrograms)

DPX amplitude vs. time

DPX frequency vs. time

DPX phase vs. time

Displays and Measurements from acquisition data

Spectrum (amplitude vs linear or log frequency)

Spectrogram (amplitude vs. frequency over time of acquisition data)

Spurious (amplitude vs linear or log frequency)

Amplitude vs. time

Frequency vs. time

Phase vs. time

Amplitude modulation vs. time

Frequency modulation vs. time

Phase modulation vs. time

RF IQ vs. time

Time overview

CCDF

Peak-to-Average ratio

Frequency offset measurement
Signal analysis can be performed either at center frequency or the assigned measurement frequency up to the limits of the instrument acquisition and measurement bandwidths
Acquisition replay
Replay entire contents of acquisition memory or subset of acquisitions and frames. history can collect up to 64,000 acquisitions (each containing one or more frames) or 1 GB of sample data, including DPX spectrogram data, whichever limit is reached first
Frequency characteristics
Center frequency setting resolution
0.1 Hz
Frequency marker readout accuracy

±(RE × MF + 0.001 × Span + 2) Hz

(RE = Reference frequency error)

(MF = Marker frequency (Hz))

Span accuracy
±0.3% (auto mode)
Reference frequency
Initial accuracy at cal
1 × 10  -7 (after 10 minute warm-up)
Aging per day
1 × 10  -9 (after 30 days of operation)
Aging per year
5 × 10  -8 (first year of operation)
Aging per 10 years
3 × 10  -7 (after 10 years of operation)
Temperature drift
2 × 10  -8 (0 to 50 °C)
Cumulative error (temperature + aging)
4 × 10  -7 (within 10 years after calibration, typical)
Reference output level
>0 dBm (internal reference selected)
Reference output level (loopthrough)
0 dB nominal gain from Ext Ref In to Ref Output, +15 dBm max output
External reference input frequencies
1 to 25 MHz (1 MHz steps) + 1.2288 MHz, 4.8 MHz, 19.6608 MHz, 31.07 MHz
External reference input requirements
Frequency accuracy
Within ±3 × 10  -7 of a valid listed input frequency
Spurious
< -80 dBc within 100 kHz offset to avoid on-screen spurious
Input level range
-10 dBm to +6 dBm
Trigger related characteristics
Trigger event source
RF input, Trigger 1 (front panel), Trigger 2 (rear panel), Gated, Line
Trigger setting
Trigger position settable from 1 to 99% of total acquisition length
Trigger combinatorial logic
Trigger 1 AND trigger 2 / gate may be defined as a trigger event
Trigger actions
Save acquisition and/or save picture on trigger
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
Level ≥ –50 dB from reference level
±0.5 dB
From < –50 dB to –70 dB from reference level
±1.5 dB
Trigger bandwidth range
At maximum acquisition BW
Standard
4 kHz to 20 MHz + wide open
Opt. 110 
11 kHz to 60 MHz + wide open
Trigger position timing uncertainty
40 MHz acquisition BW, 20 MHz BW
Uncertainty = ±15 ns
110 MHz acquisition BW, 60 MHz BW (Opt 110)
Uncertainty = ±5 ns
Trigger re-arm time, minimum (fast frame on)
10 MHz acquisition BW
≤25 μs
40 MHz acquisition BW
≤10 μs
110 MHz acquisition BW (Opt. 110)
≤5 μs
Frequency mask trigger (Opt. 52)
Mask shape
User defined
Mask point horizontal resolution
<0.12% of span
Level range
0 dB to –80 dB from reference level
Level accuracy 1
0 to –50 dB from reference level
±(Channel response + 1.0 dB)
–50 dB to –70 dB from reference level
±(Channel response + 2.5 dB)

1 For masks >30 dB above noise floor.

Span range

100 Hz to 40 MHz

100 Hz to 110 MHz (Opt. 110)

Minimum signal duration for 100% probability of trigger at 100% amplitude
Events lasting less than minimum event duration specification will result in degraded frequency mask trigger accuracy.
Opt. 110 SPAN = 110 MHz
FMT RBW Minimum even duration (μs)
Std. Opt. 09 
10 MHz 17.3  3.7 
1 MHz 19.5  5.8 
100 KHz 37.6  37.6 
Std. SPAN = 40 MHz
FMT RBW Minimum even duration (μs)
Std. Opt 09 
5 MHz 17.5  3.9 
1 MHz 19.5  5.8 
300 KHz 25.1  11.4 
100 KHz 37.7  30.9 
Trigger position uncertainty
Acquisition bandwidth Opt. 52 (RBW = Auto) Opt. 52 plus Opt. 09 (RBW = Auto)
40 MHz ±12.6 μs ±5.8 μs
110 MHz ±9.8 μs ±3 μs
Advanced triggers
DPX density trigger
Density range
0 to 100% density
Horizontal range

0.25 hz to 40 MHz

0.25 Hz to 110 MHz (Opt. 110)

Runt trigger
Runt definitions
Positive, Negative
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)

Time qualified triggering
Trigger types and source
Time qualification may be applied to: Level, Frequency mask (Opt. 52), DPX density, Runt, Ext. 1, Ext. 2 
Time qualification range

T1: 0 to 10 seconds

T2: 0 to 10 seconds

Time qualification definitions

Shorter than T1

Longer than T1

Longer than t1 AND shorter than T2

Shorter than t1 OR longer than t2

Frequency edge trigger
Range
±(1/2 × (Acq. BW or TDBW if active))
Minimum event duration

25 ns for 40 MHz acquisition BW using no trigger RBW

50 ns for 40 MHz acquisition BW using 20 MHz trigger RBW

9.1 ns for 110 MHz Acq. BW using no RBW

16.7 ns for 110 MHz Acq. BW using 60 MHz trigger RBW

.
Timing uncertainty
Same as power trigger position timing uncertainty
Holdoff trigger
Range
20 ns to 10 seconds


Minimum signal duration

For 100% probability of intercept, full amplitude

110 MHz span
RBW FFT length Spectrums /sec Minimum event duration 100% POI (μs)
Base unit Opt. 09 
10000  1024  292,969  17.3  3.7 
1000  1024  292,969  19.5  5.8 
300  2048  146,484  28.5  14.8 
100  4096  73,242  37.6  37.6 
30  16384  18,311  134.6  134.6 
20  32768  18,311  229.2  229.2 
40 MHz span
RBW FFT length Spectrums /sec Minimum event duration 100% POI (μs)
Base unit Opt. 09 
5000  1024  292,969  17.5  3.9 
1000  1024  292,969  19.4  5.8 
300  1024  146,484  25  11.4 
100  2048  73,242  37.6  30.8 
30  4096  36,621  93.6  93.6 
20  8192  18,311  147.3  147.3 
10  16384  18,311  194.5  194.5 
External trigger 1
Level range
-2.5 V to +2.5 V
Level setting resolution
0.01 V
Trigger position timing uncertainty (50 Ω input impedance)
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)
External trigger 2
Threshold voltage
Fixed, TTL
Input impedance
10 kΩ (nominal)
Trigger state select
High, Low
Acquisition related
A/D converter
100 MS/s 14 bit (optional 300 MS/s, 14 bit, Opt. 110)
Minimum acquisition length
64 samples
Acquisition length setting resolution
1 sample
Fast frame acquisition mode
>64,000 records can be stored in a single acquisition (for pulse measurements and spectrogram analysis)
Memory depth (time) and minimum time domain resolution
Acquisition BW Sample rate (for I and Q) Record length Record length (Opt. 53) Time resolution
110 MHz (Opt. 110) 150 MS/s 1.79 s 7.15 s 6.6667 ns
60 MHz (Opt. 110) 75 MS/s 3.58 s 14.31 s 13.33 ns
40 MHz 50 MS/s 4.77 s 19.08 s 20 ns
20 MHz 25 MS/s 9.54 s 38.17 s 40 ns
10 MHz 12.5 MS/s 19.08 s 76.35 s 80 ns
5 MHz 6.25 MS/s 38.17 s 152.7 s 160 ns
2 MHz 1 3.125 MS/s 42.9 s 171.8 s 320 ns
1 MHz 1.56 MS/s 85.8 s 343.5 s 640 ns
500 kHz 781 kS/s 171.7 s 687.1 s 1.28 μs
200 kHz 390 kS/s 343.5 s 1374 s 2.56 μs
100 kHz 195 kS/s 687.1 s 2748 s 5.12 μs
50 kHz 97.6 kS/s 1374 s 5497 s 10.24 μs
20 kHz 48.8 kS/s 2748 s 10955 s 20.48 μs
10 kHz 24.4 kS/s 5497 s 21990 s 40.96 μs
5 kHz 12.2 kS/s 10955 s 43980 s 81.92 μs
2 kHz 3.05 kS/s 43980 s 175921 s 328 μs
1 kHz 1.52 kS/s 87960 s 351843 s 655 μs
500 Hz 762 S/s 175921 s 703687 s 1.31 ms
200 Hz 381 S/s 351843 s 1407374 s 2.62 ms
100 Hz 190 S/s 703686 s 2814749 s 5.24 ms

1 In spans ≤2 MHz, higher resolution data is stored, reducing maximum acquisition time.

Bandwidth related
Resolution bandwidth
Resolution bandwidth range (spectrum analysis)

0.1 Hz to 8 MHz

0.1 Hz to 10 MHz (Opt. 110)

Resolution bandwidth shape
Approximately Gaussian, Shape factor 4.1:1 (60:3 dB) ±10%, typical
Resolution bandwidth accuracy
±1% (auto-coupled RBW mode)
Alternative resolution bandwidth types
Kaiser window (RBW), –6 dB mil, CISPR, Blackman-Harris 4B window, Uniform (none) window, Flat-top (CW ampl.) window, Hanning window
Video bandwidth
Video bandwidth range
1 Hz to 10 MHz plus wide open
RBW/VBW maximum
10,000:1 
RBW/VBW minimum
1:1 plus wide open
Resolution
5% of entered value
Accuracy (typical)
±10%
Time domain bandwidth (amplitude vs. time display)
Time domain bandwidth range
At least 1/10 to 1/10,000 of acquisition bandwidth, 1 Hz minimum
Time domain bandwidth shape

≤10 MHz, Approximately Gaussian, Shape factor 4.1:1 (60:3 dB), typical

20 MHz (60 MHz, Opt. 110), Shape factor< 2.5:1 (60:3 dB) typical

Time domain bandwidth accuracy

1 Hz to 10 MHz = 1% (auto-coupled)

20 MHz and 60 MHz = 10%

Minimum settable spectrum analysis RBW vs. span
Frequency span RBW
>10 MHz 100 Hz
>1 MHz to 10 MHz 10 Hz
>5 kHz to 1 MHz 1 Hz
≤5 kHz 0.1 Hz
Spectrum display traces, detector, and functions
Characteristic Description
Traces Three traces + 1 math waveform + 1 trace from spectrogram for spectrum display
Detector Peak, –Peak, Average, ±Peak, Sample, CISPR (Avg, Peak, Quasi-peak, Average of logs)
Trace functions Normal, Average, Max hold, Min hold, Average of logs
Spectrum trace length 801, 2401, 4001, 8001, or 10401 points
Minimum FFT length vs. Trace length (independent of span and RBW)
Trace length (points) Minimum FFT length
801  1024 
2401  4096 
4001  8192 
10401  16384 
Resolution BW range vs. span (DPX®)
Acquisition bandwidth RBW (min) RBW (max)
110 MHz 20 kHz 10 MHz
55 MHz 10 kHz 5 MHz
40 MHz 10 kHz 3 MHz
20 MHz 5 kHz 2 MHz
10 MHz 2 kHz 1 MHz
5 MHz 1 kHz 500 kHz
2 MHz 500 Hz 200 kHz
1 MHz 200 Hz 100 kHz
500 kHz 100 Hz 50 kHz
200 kHz 50 Hz 20 kHz
100 kHz 20 Hz 10 kHz
50 kHz 10 Hz 5 kHz
20 kHz 5 Hz 2 kHz
10 kHz 2 Hz 1 kHz
5 kHz 0.1 Hz 500 Hz
2 kHz 0.1 Hz 200 Hz
1 kHz 0.1 Hz 100 Hz
500 Hz 0.1 Hz 50 Hz
200 Hz 0.1 Hz 20 Hz
100 Hz 0.1 Hz 10 Hz
Minimum RBW, swept spans
10 kHz
DPX® related
DPX® digital phosphor spectrum processing
Spectrum processing rate (RBW = auto, trace length 801)
292,968/s
DPX bitmap resolution
201 × 801 
DPX bitmap color dynamic range
8G (99 dB)
Marker information
Amplitude, frequency, and signal density on the DPX display
Minimum signal duration for 100% probability of detection (Max-hold on)
See table: Minimum signal duration for 100% probability of intercept, full amplitude
Span range (continuous processing)

100 Hz to 40 MHz

(110 MHz with opt. 110)

Span range (swept)
Up to instrument frequency range
Dwell time per step
50 ms to 100 s
Trace processing
Color-graded bitmap, +Peak, –Peak, Average
Trace length
801, 2401, 4001, 10401 
Resolution BW accuracy
7%
DPX® zero-span amplitude, frequency, phase performance (Nominal)
Measurement bandwidth range
100 Hz to maximum acquisition bandwidth of instrument
Time domain bandwidth (TDBW) range
At least 1/10 to 1/10,000 of acquisition bandwidth, 1 Hz minimum
Time domain bandwidth (TDBW) accuracy
±1%
Sweep time range

100 ns (minimum)

1 s (maximum, measurement BW >60 MHz)

2000 s (maximum, measurement BW ≤60 MHz)

Time accuracy
±(0.5 % + reference frequency accuracy)
Zero-span trigger timing uncertainty (power trigger)
+/-(Zero-span sweep time / 400) at trigger point, for S/N ratio ≥40 dB
DPX frequency display range
±100 MHz maximum
DPX phase display range

±200 degrees maximum, phase-wrapped

±500G degrees, phase-unwrapped

DPX® spectrogram performance
Span range
100 Hz to maximum acquisition bandwidth
DPX spectrogram trace detection
+Peak, –Peak, avg (VRMS)
DPX spectrogram trace length
801 to 4001 
DPX spectrogram memory depth

Trace length = 801: 60,000 traces

Trace length = 2401: 20,000 traces

Trace length = 4001: 12,000 traces

Time resolution per line
110 µs to 6400 s, user settable
Maximum recording time vs. line resolution
6.6 seconds (801 points/trace, 110 μs/line) to 4444 days (801 points/trace, 6400 s/line)
Stability
Residual FM
<2 Hzp-p in 1 second (95% confidence, typical)
Phase noise sidebands

dBc/Hz at specified center frequency
CF = 1 GHz
Offset Specification Typical
100 Hz –86  –86 
1 kHz –100  –106 
10 kHz –106  –110 
100 kHz –107  –113 
1 MHz –128  –134 
6 MHz –134  –142 
10 MHz –134  –142 
CF = 2 GHz
Offset Specification Typical
100 Hz --- – 80 
1 kHz --- –106 
10 kHz --- –110 
100 kHz --- –111 
1 MHz --- –133 
6 MHz --- –142 
10 MHz --- –142 
CF = 6 GHz
Offset Specification Typical
100 Hz --- – 70 
1 kHz --- –96 
10 kHz

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