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Hardware Configurations for E4438C ESG

 Recommended E4438C ESG vector signal generator configurations, for use with Signal Studio.

Waveform Playback ESG Description
Required – select one
E4438C-501
E4438C-502
E4438C-503
E4438C-504
E4438C-506
Frequency range:
250 kHz to 1 GHz
250 kHz to 2 GHz
250 kHz to 3 GHz
250 kHz to 4 GHz
250 kHz to 6 GHz
Required1 – select one
Earlier baseband Option 001 and 002 supported

E4438C-601
E4438C-602
Internal baseband generator:
8 MSa memory with digital bus capability
64 MSa memory with digital bus capability
Recommended
Required – for Option 506
E4438C-UNJ Enhanced phase noise performance (includes E4438C-1E5)
Required - for BER test2 E4438C-UN7 Internal bit error rate analyzer
Recommended – for testing with noise E4438C-403 Calibrated AWGN
Recommended E4438C-005 6 GB internal hard drive
Recommended E4438C-1E5 High-stability time base (included with E4438C-UNJ)

1This option is not required if the ESG is being used as an upconverter for baseband signals being generated in a PXB
2Required for N7623B digital video BER test

Additional hardware configuration for MIMO
Required – for MIMO to achieve 4 to 6 GHz RF coherency between multiple ESGs3,4 E4438C-HBC 4 to 6 GHz In and Out on rear panel of the ESG
Required – for MIMO to achieve 0.25 to 4 GHz RF coherency between multiple ESGs3,4 E4438C-HCC 250 MHz to 4 GHz In and Out on the rear panel of the ESG
Required – for MIMO to achieve baseband phase coherency between multiple ESGs E4438C-HEC External baseband generator, 200 to 400 MHz clock input

3 Z5623A-K11 LO distribution network is also required to achieve RF phase coherency between ESGs
4 An E4400B or E4423B external clock is also required to achieve baseband phase coherency between ESGs

For more information about the performance of various hardware configurations for MIMO testing, see the MIMO Characteristic Performance Analysis in the online documentation. This topic includes links to detailed descriptions of the following hardware configurations:

  • Multiple antennas solution without baseband timing or phase coherence for MxN MIMO
  • Multiple antennas solution with baseband timing alignment without phase coherence for MxN MIMO
  • Multiple antennas solution with baseband timing alignment and RF phase coherence for MxN MIMO

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