Keysight CXG, EXG, and MXG X-Series Signal Generators Programming Guide 387
Creating and Downloading User–Data Files
Data Transfer Troubleshooting
User FIR Filter Coefficient File Download Problems
Data Requirements
— Data must be in ASCII format.
— Downloads must be in list format.
— Filters containing more symbols than the hardware allows (32 for real-time
modulation filters, 512 for Arb Custom Modulation filters, and 256 for
Equalization filters) will not be selectable for the configuration.
Table 6-17 User FIR File Download Trouble – Symptoms and Causes
Symptom Possible Cause
ERROR –321, Out of memory
There is not enough memory available for the FIR coefficient file being
downloaded.
To solve the problem, either reduce the file size of the FIR file or delete
unnecessary files from memory.
ERROR –223, Too much data
User FIR filter has too many coefficients.
The filter specification cannot have more than 1024 taps (2048 coefficients
for a complex filter).
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