1011 HP-AgilentKeysight N5106A
Keysight N5106A
PXB Baseband Generator
and Channel Emulator
Data Sheet
Definitions
Specification (spec): Represents warranted performance. Because this
instrument is primarily digital in nature, there are no analog performance
specifications.
Typical (typ): Represents characteristic performance that is non-warranted. Describes performance that will be met by a minimum of 80% of all products.
Nominal (nom): Represents characteristic performance that is non-warranted.
Represents the value of a parameter that is most likely to occur; the expected
mean or average.
Measured (meas): Represents characteristic performance that is non-warranted.
Represents the value of a parameter measured during the design phase.
Note: All graphs contain measured data from several units at room temperature
(approximately 25 °C) unless otherwise noted.
2
General Characteristics
N5106A PXB baseband generator and channel emulator
Supported use cases and configurations
Use cases
Configurations
Baseband generation1
1, 2, 4, 6 channels
Baseband generation and sum1
2, 4 channels
Baseband generation and fading1
1, 2 channels
Single-user MIMO1,3
1x2, 1x4, 1x8, 2x1, 2x2,
2x4, 2x6, 2x8, 4x2, 4x4
Multi-user MIMO1,3
2x2, 2x4, 4x2, 4x4
RF and digital I/Q fading1, 2
1, 2 channels,
1 channel with interferer
MIMO RF and digital I/Q fading1, 2, 3
1x2, 2x2, 2x4, 2x6, 2x8, 4x2, 4x4
Signal capture
1 channel
E5515C (8960) fading
1, 2 channels, 1x2 (Rx diversity),
1 channel with interferer
1. This use case supports RF output with vector MXG/ESG and digital I/Q output with N5102A.
2. This use case supports RF input with PXA/MXA/EXA and digital I/Q input with N5102A.
3. MXGs and ESGs cannot be used together for MIMO configurations.
3
Baseband Generator
Characteristics
(Requires Option EFP)
Number of baseband generators
Up to 6
Signal bandwidth
PXB output interface
Bandwidth
Analog I/Q outputs2
160 MHz 3
Digital bus 4
N5102A digital signal interface module
N5162/82A MXG vector signal
generators5
E4438C ESG vector signal generators6
120 MHz
100 MHz
80 MHz
Arbitrary waveform memory 512 Msa (2 GB) per baseband generator
Sample rate
1 kSa/sec to 150 MSa/sec1
Resolution
14 bits7
Baseband frequency offset range
–80 MHz to 80 MHz8
Compatible signal formats
Signal Studio, E4438C, N5162/82A,
Advanced Design System (ADS),
SystemVue 2008, custom I/Q waveforms9
Numeric formats
Two’s complement, offset binary
Waveform length
256 samples to 512 Msa
Waveform loading speed10
LAN to PXB hard drive: 4 MB/s (nom)
PXB hard drive to arbitrary waveform
memory: 20 MB/s (nom)
External eSATA hard drive to PXB arbitrary
waveform memory: 20 MB/s (nom)
RMS values for power control
Measured, previous RMS, user entered,
waveform header RMS
When connected to the MXG/ESG via the digital bus, the PXB has negligible
contribution to RF flatness, EVM, and ACP. See MXG/ESG data sheet for
performance details.
1. Each baseband generator can individually set sample rate.
2. The PXB connected to the E4438C ESG via analog I/Q provides automatic power calibration at RF up to
120 MHz. RF power management when connected via the PXB's analog I/Q outputs to all other signal
generators requires manual power calibration.
3. 60 MHz I and 60 MHz Q.
4. When the PXB output is connected via digital bus to the MXG/ESG, bandwidth is limited by the
vector signal generator.
5. Requires MXG firmware revision A.01.44 or later.
6. Requires ESG firmware revision C.05.23 or later. Contact division for demo firmware.
7. 16-bit I/Q waveforms created for the E4438C and N5162/82A are compatible with the PXB. For optimal performance, PXB waveforms should be created with 16-bit resolution. Refer to the online documentation for more information.
8. Baseband offset range is limited by output instrument when connected via digital bus.
9. Users load waveforms into the PXB baseband generator for playback. See online documentation for details on custom waveform format.
10. Performance varies depending on external PC and LAN connection
4
Fader Characteristics
(Requires Option QFP)
Simulate real-world conditions to test mulit-format receivers more quickly and validate design
robustness earlier in the development cycle with the PXB.
Number of faders
Up to 8
Fading bandwidth
Internal baseband generation and fading
Maximum
bandwidth
Analog I/Q outputs1
N5102A digital signal interface module
3
Digital bus N5162/82A MXG vector signal generators4
160 MHz2
120 MHz
100 MHz
External RF input for fading
Maximum
bandwidth
Digital bus6
N9010A EXA7, N9020A MXA7, and N9030A
PXA8 vector signal analyzer
40 MHz11
N5102A digital signal interface module
120 MHz
E5515C (8960) wireless communications test
set9
Standard
dependent10
E4438C ESG vector signal generators5
RF input
RF output
-40 dBm to 15 dBm with EXA/MXA/PXA
–115 dBm to 0 dBm with MXG
–115 dBm to –10 dBm with ESG
Paths per fader
Paths per fader with fader interleaving for 4x4 and 2x8 (Option 169)
Power accuracy
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
80 MHz
6 paths @ 160 MHz
12 paths @ 80 MHz
24 paths @ 40 MHz
6 paths @ 80 MHz
12 paths @ 40 MHz
24 paths @ 20 MHz
When connected to the MXG/ESG via the digital bus, the PXB has negligible contribution to power accuracy. This is in com
parison to the signal generators set to the same conditions separately. See MXG/ESG data sheet for performance details.
The PXB connected to the E4438C ESG via analog I/Q provides accurate power calibration at RF up to 160 MHz. RF power management when connected via the PXB's analog I/Q outputs to all other signal generators requires external power calibration.
80 MHz I and 80 MHz Q.
When the PXB output is connected via digital bus to the MXG/ESG, bandwidth is limited by the vector signal generator.
Requires MXG firmware revision A.01.44 or later.
Requires ESG firmware revision C.05.23 or later.
When the PXB input is connected via digital bus to the PXA/MXA/EXA, fading bandwidth is limited by the vector signal analyzer.
Requires MXA firmware revision A.01.61 or later, EXA firmware revision A.04.26 or later.
Requires PXA firmware revision A.06.06 or later.
Requires E5515C-004 and the relevant Lab Application(s). Review online documentation or the configuration guide for Lab Application revision requirements.
EGPRS2-A and downlink dual carrier GSM requires RF fading.
Requires Option B25 for 25 MHz or B40 for 40 MHz bandwidth.
5
Fader Characteristics
(Requires Option QFP)
continued...
6
Predefined channel models
W-CDMA, HSDPA, HSUPA, COST 259, TD-SCDMA, cdma2000®, cdmaOne, 1xEV-DO, GSM, EDGE, WLAN, TETRA, 802.16 OFDM, 802.16 OFDMA, LTE (includes high speed train), MBRAI models for DVB-T and DVB-H
Predefined MIMO LTE: 3GPP standard 36.101 Annex B,modified SCME channel models2
urban micro-cell, SCME urban micro-cell, SCME urban macro-cell, WINNER II, single cluster EPA, single
cluster SCME, 2D uniform (requires Option TFP)
Mobile WiMAX™: channel model for
MTG RCT (requires Option RFP)
Repetition interval
> 7 days
Random seed
89 bits
Fading types
Pure Doppler, Rayleigh, Rician, Suzuki, log normal
Spectral shape
Classical 3 dB, classical 6 dB, flat, rounded,
Jakes classical, Jakes rounded, Gaussian
Rayleigh distribution
0.5 dB from –30 to + 10 dB of mean power level
Deviation from CDF, filtered noise
Rician
Power ratio (k) range
–84 dB to 84 dB
LOS AoA 0 to 360°
Path delay
0 to 2 ms
Resolution
0.1 ns
Accuracy
±(0.4 ns + 0.2% path delay) (meas)
Phase shift
0 to 360°
Resolution
0.01°
Path loss
0 to 84 dB
Resolution 0.01 dB
Accuracy
0.1 dB (meas)
1
0 to 864 km/h @ 2 GHz
Vehicle speed Resolution
0.01 km/h
1
Doppler frequency 0 Hz to 1.6 kHz
Resolution
0.001 Hz
Accuracy 0.05% (meas)
Angle of arrival (AoA)
0 to 360°
Resolution
0.01°
Angle of departure (AoD)
0 to 360°
Resolution
0.01°
AoA Azimuth spread
0 to 360°
Resolution
0.01°
AoD Azimuth spread
0 to 360°
Resolution
0.01°
Log normal
Standard deviation
0 to 12 dB
Decorrelation length
1 m to 1 km
MIMO correlation source
From wireless standard, from custom antenna setup, from custom correlation matrix
Custom correlation matrix
Channel to channel, path to path
Path configuration source
From wireless standard, custom
Antenna patterns
Omni-directional, three-sector, six-sector, uncorrelated, user specified (2D and 3D antenna models from EMPro or equivalent)
Antenna spacing
–20 to 20 wavelengths in X and Y coordinates
1. Doppler frequency of vehicle speed is coupled to the carrier frequency setting in the Fader Setup view.
2. Implemented as filtered noise.
Dynamic Fading
Number of dynamic paths
Up to 24
Number of states1
1 to 5000
Requested dwell time2
10 ms to 1000s
Resolution10 ms
Path loss
0 to 84 dB
Resolution0.01 dB
Path delay
0 to 2 ms
Resolution 0.1 ns
Path UE speed
0 to 1726.8/carrier frequency in km/hr
Resolution0.01 km/hr
Signal Capture
Characteristics
(Requires Option FFP)
Number of channels
Signal capture bandwidth
PXB input interface
Maximum
bandwidth
Digital bus 3
N5102A digital signal interface module
120 MHz
N9010A EXA, N9020A MXA, and
N9030A PXA vector signal analyzer
40 MHz7
Signal capture sample rate4
1 kSa/sec to 150 MSa/sec
Signal capture
depth4
256 samples to 512 Msa (2 GB) per channel
Signal capture
duration4
Signal capture depth / sample rate
Resolution
14 bits
Trigger type
Free run, master trigger, magnitude
Trigger
value5
Trigger time
Additive White
Gaussian Noise (AWGN)
Characteristics
(Requires Option JFP)
Up to 1
delay6
0 to 46340
0 to 2147483.647 seconds
Trigger sample delay
0 to 2147483647 samples
Trigger position
0 to 100%
AWGN bandwidth
Signal to noise (S/N) ratio
Resolution
Accuracy
Up to 120 MHz
–20 dB to +40 dB
0.1 dB
0.3 dB (meas)
Crest factor
Units
Optimization
Output MUX
12.88 dB
SNR, Eb/No
Constant signal power,
constant noise power, constant SNR
Signal + noise, signal only, noise only
Repetition interval
> 7 days
1.
2.
3.
4.
5.
6.
7.
States are defined in Microsoft Excel. The Excel template is included with the firmware installation.
Actual dwell time is calculated based on requested dwell time and UE speed. Refer to the help system for details.
When the PXB input is connected via digital bus, signal capture bandwidth is limited by the input device.
Each signal capture channel supports an independent sample rate, depth, and duration.
For magnitude trigger only.
Trigger time delay is variable, based on sample rate. It is the trigger sample delay/sample rate.
Requires Option B25 for 25 MHz or B40 for 40 MHz bandwidth.
7
Digital I/O
Characteristics
Test baseband chipsets with the PXB and the N5102A digital signal interface module.
Logic types (requires N5102A)1
Number of I/O ports2
Resolution
Baseband frequency offset
I/Q skew
Resolution
I/Q gain balance
Resolution
Delay
Resolution
Quadrature skew
Resolution
1.
2.
3.
8
Single-ended: LVTTL, CMOS (1.5 V, 1.8 V,
2.5 V, 3.3 V)
Differential: LVDS
2 per I/O card, up to 8 total
14 bits
–80 MHz to 80 MHz3
–2 ns to 2 ns
1 ps
–4 dB to 4 dB
0.01 dB
0 to 500 ns
1 ps
–30 to 30°
0.01°
Logic types available when connected to N5102A digital signal interface module.
Each output port must be designated as analog or digital in the PXB user interface. The same port cannot be used for both simultaneously.
Baseband offset range is limited by output instrument when connected via digital bus.
Analog Output
Characteristics
Port type
Number of analog I/Q ports1
Level
Resolution
Baseband frequency offset
I/Q skew
Resolution
I/Q gain balance
Resolution
Delay
Resolution
Quadrature skew
Resolution
Common I/Q offset
Resolution
Differential I offset
Resolution
Differential Q offset
Resolution
I/Q peak level
Resolution
Analog I/Q, single-ended and differential
2 per I/O card, up to 8 total
1.0 Vpp single-ended, 2.0 Vpp differential;
50 Ω
14 bits
–80 MHz to 80 MHz2
–2 ns to 2 ns
1 ps
–4 dB to 4 dB
0.01 dB
0 to 500 ns
1 ps
–30 to 30°
0.01°
–2.5 V to 2.5 V
10 mV
–25 mV to 25 mV
1 mV
–25 mV to 25 mV
1 mV
0 V to 1 Vpk
10 mV
1. Each output port must be designated as analog or digital in the PXB user interface. The same port cannot be used for both simultaneously.
2. Baseband offset range is limited by output instrument when connected via digital bus.
9
Analog Output
Characteristics
continued...
Maximum reverse power
Flatness1
Spurious free dynamic range1
Harmonics1
Max DC voltage 20 VDC (nom)
250 kHz to 500 MHz 1 W (nom)
1 dB (typ)
< –76 dBc (typ)
Analog I/Q outputs harmonic distortion
–60
Distortion (dBc)
–65
–70
–75
–80
–85
1
10
20
30
40
50
60
Fundamental frequency (MHz)
70
80
–147 dBc/Hz (typ)
Phase noise1
10 MHz sinewave at 10 kHz offset
Noise floor1
–152 dBc/Hz (typ)
10 MHz sinewave at 1.9 MHz offset
Flatness1,2
Analog I/Q outputs flatness vs. frequency
2.0
Amplitude variation (dB)
1.5
1.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
0
10
20
30
40
50
60
70
80
Frequency (MHz)
1. These values apply at the PXB analog I/Q outputs only. When connected to the MXG/ESG via the digital bus, the PXB has negligible contribution. See MXG/ESG data sheet for performance data.
2. These values apply to SN MY50460000 and higher.
10
90
Frequency Reference
Characteristics
Clock, Trigger,
and Marker
Characteristics
Internal time base reference
OCXO, 10 MHz, stability ±0.01 ppm,
from +20 to +30 °C
Aging ±0.1 ppm/year for the first year
Aging ±0.15 ppm/year for the first 2 years
Operating temperature range is from
0-40 °C
External reference input
1 MHz to 100 MHz, –5 to +10 dBm;
50 Ω
Reference output
10 MHz, 0.9 Vpp ±10%; 50 Ω
Channel synchronization
Trigger source
External trigger in
Trigger delay
Trigger jitter
Trigger to analog I/Q out latency
Trigger to RF latency
N5102A latency1
Input
Output
N5102A synchronization
RF to RF latency2, 3
Marker outputs4
Marker source
Marker delay
Marker polarity
1.
2.
3.
4.
< 21 ns
Software, hardware, bus (GPIB, LAN)
3.3 V CMOS (nom)
0 to 100 ms
5 ns
250 ns (nom)
N5182A MXG: 600 ns (nom)
E4438C ESG: 1.3 us (nom)
500 ns @ 100 MHz sample rate, 60 us @ 1 MHz
400 ns @ 100 MHz sample rate, 25 us @ 1 MHz
N5102A and PXB operate on independent
(non-transparent) clock domains. Best
case synchronization between multiple
N5102A units and PXB is ± 1 sample
(with re-sampling off)
N5182A MXG through digital bus: 33 us (nom)
N5182A MXG through analog I/Q: 22 us (nom)
E4438C ESG through digital bus: 27 us (nom)
E4438C ESG through analog I/Q: 22 us (nom)
3 markers per I/O port
3.3V CMOS (nom)
Separate marker file, markers embedded in
waveform, dynamic marker generation
0 to 1,024 samples (settable in time)
Positive, negative
Does not include PXB and RF latency.
Latency is measured from the signal analyzer's RF input to the signal generator’s RF output.
Power calibration not performed when connecting the PXB to the MXG through analog I/Q.
Markers are labeled 1, 3, and 4. Marker 2 is reserved for internal use only.
11
General Chassis
Characteristics
Dynamic marker type
Periodic, range detect, zero detect
Operating systemWindows® XP for Embedded Systems
Programming languageSCPI1
Connectivity
Gigabit LAN, IEEE 488 GPIB
Non-volatile storage
160 GB hard drive total
90 GB available for waveform and user
data on D: partition
(supplemented by external USB drives)
Available chassis slots
Up to 6 baseband cards (or 12 DSP blocks)
and up to 4 I/O cards
Power requirements 100 to 120 VAC 50 to 60 Hz, or
200 to 240 VAC 50 to 60 Hz
(automatically selected);
< 875 W typical, 1075 W maximum
Operating temperature
10 to 40 °C
Acoustic noise
Idle: 57 dBA (nom)
Normal: 60 dBA (nom)
Worst case: 70 dBA (nom)
Typical Keysight equipment:
Normal = 54 dBA (nom)
Weight
Fully loaded: < 33 kg (72 lb)
PXB rear panel view.
Dimensions
222 mm H x 426 mm W x 584 mm D
(8.75 in H x 16.8 in W x 23 in D)
1. Does not apply to Signal Studio programming control.
12
General Chassis
Characteristics
continued...
System clock rear panel connectors
EXT I/O CLK IN EXT SYNC
EXT TRIG IN EXT REF IN 10 MHz OUT 100 MHz SYS CLK OUT I/O CLK OUT TRIGGER OUT AUX I/O Reserved for future use
Reserved for future use
External trigger signal used to trigger the start of
the FPGA process 3.3 V CMOS [male SMB]
Damage level: < 0 V and > 3.3 V
Input for an external frequency reference signal
1 MHz to 100 MHz, –5 to + 10 dBm; 50 Ω [male SMB]
Lock range: ±5 ppm
Damage level: < 0 V and > 3.3 V
10 MHz reference output used to lock the frequency
reference of other test equipment to the PXB
900 mVpp; 50 Ω [male SMB]
Damage level: < 0 V and > 3.3 V
100 MHz system clock output
2 Vpp; 50 Ω [male SMB]
Damage level: < 0 V and > 3.3 V
Reserved for future use
Routed from hardware or software trigger input TTL; 100 Ω [male SMB]
Damage level: < 0.5 V and > 5.5 V
Provides additional digital signal interface and feedback 3.3 V CMOS [male 20 pin mini delta]
Damage level: < 0 V and > 3.3 V
CPU host controller rear panel connectors
MONITOR
USB SLAVE (top)
USB MASTER (top)
LAN VGA connection of an external monitor
Standard USB 2.0 ports, Type A connect to
external peripherals such as a mouse, keyboard, printer, DVD drive, or hard drive
USB 2.0 port, Type B USB TMC (test and
measurement class) connects to an external PC controller to control the PXB and for data
transfers over a 480 Mbps link
Network interface used to control the PXB remotely
13
General Chassis Characteristics
continued...
CPU host controller rear panel connectors (continued...)
GPIB
INTERCONNECT 1 & 2
eSATA PCIe x4 FROM UPSTREAM PCIe x4 TO DOWNSTREAM USB (bottom)
A general purpose interface bus (IEEE 488
GPIB) connection that can be used for
remote operation
Reserved for future use
This port provides access to external
eSATA Hard Disk Drive (HDD) storage
devices to increase system file storage
capacity with higher transfer rates than the
USB port
Reserved for future use
Reserved for future use
Reserved for future use
I/O card(s) rear connectors
CLOCK IN TRG IN MKR OUT CLOCK OUT DIGITAL BUS I+, I– Q+, Q– 14
Reserved for future use
Reserved for future use
Marker outputs for each I/O board channel
numbered 1, 3 and 4 (marker 2 is reserved
for internal use)
3.3 V CMOS [male SMB]
Damage level: < 0 V and > 3.3 V
Reserved for future use
Digital bus connectors enable operation
with other test equipment such as the
PXA/MXA/EXA signal analyzer, MXG and
ESG vector signal generator, and N5102A
digital signal interface module
Analog I/Q modulation from the internal
baseband generator
2 Vpp; 50 Ω [male SMB]
Damage level: < –15 V and > 15 V
Analog I/Q modulation from the internal
baseband generator
2 Vpp; 50 Ω [male SMB]
Damage level: < –15 V and > 15 V
Additional Resources
Literature
Keysight N5106A PXB Baseband Generator and Channel Emulator,
Photo Card, 5989-8969EN
Keysight N5106A PXB Baseband Generator and Channel Emulator,
Configuration Guide, 5989-8972EN
MIMO Channel Modeling and Emulation Test Challenges,
Application Note, 5989-8973EN
Solutions for Validation of LTE Devices – Testing MIMO Over-the-Air Using the
Two-Stage Method, 5990-8898EN
Theory, Techniques and Validation of Over-the-Air Test Methods for Evaluating
the Performance of MIMO User Equipment, 5990-5858EN
Ten Things You Should Know About MIMO SM (Spatial Multiplexing),
Poster, 5989-9618EN
GPS Receiver Testing, Application Note, 5990-4943EN
Keysight CMMB Conformance Testing Using the PXB with N7623B Signal
Studio for Digital Video, Application Note, 5990-4978EN
Web
For more information or to view product literature online, please visit:
www.keysight.com/find/pxb
www.keysight.com/find/sg
www.keysight.com/find/xseries
15
16 | Keysight | N5106A PXB Baseband Generator and Channel Emulator - Data Sheet
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© Keysight Technologies, 2012 -2014
Published in USA, August 2, 2014
5989-8971EN
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