360 Keysight Signal Generators Programming Guide
Creating and Downloading User–Data Files
FIR Filter Coefficient Downloads (N5162A, N5182A, E4438C and E8267D)
FIR Filter Coefficient Downloads (N5162A, N5182A, E4438C and E8267D)
NOTE If you encounter problems with this section, refer to “Data Transfer Troubleshooting (N5162A,
N5182A, E4438C and E8267D Only)” on page 380.
The signal generator accepts finite impulse response (FIR) filter coefficient downloads. After
downloading the coefficients, these user–defined FIR filter coefficient values can be selected as the
filtering mechanism for the active digital communications standard.
Data Requirements
There are two requirements for user–defined FIR filter coefficient files:
1. Data must be in ASCII format.
The signal generator processes FIR filter coefficients as floating point numbers.
2. Data must be in List format.
FIR filter coefficient data is processed as a list by the signal generator’s firmware. See Sample
Command Line.
60 byte PRAM file prior to downloading
60 byte PRAM file after downloading
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