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Signal Generator Memory
The signal generator provides two types of memory, volatile and non–volatile.
NOTE
User BIT, and User PRAM references are only applicable to the E4438C with Options 001,
002, 601, or 602, and E8267D with Options 601 or 602.
User FIR references are only applicable to the N5162A and N5182A with Options 651, 652,
or 654, E4438C with Options 001, 002, 601, or 602, and E8267D with Options 601 or 602.
Volatile
Random access memory that does not survive cycling of the signal generator
power. This memory is commonly referred to as waveform memory (WFM1) or
pattern RAM (PRAM). Refer to Table 6-1 for the file types that share this memory:
Table 6-1 Signal Generators and Volatile Memory File Types
Volatile Memory Type
I/Q
Marker
File header
User PRAM
User Binary
User Bit
Waveform Sequences
(multiple I/Q files played together)
a
N5161A, N5181A, N5183A, E8663B/63D, E4428C, and the E8257D.
b
Waveform sequences are always in non–volatile memory.
Non–volatile
Storage memory where files survive cycling of the signal generator power. Files
remain until overwritten or deleted. Refer to Table 6-2 on page 318 for the file
types that share this memory:
Keysight Signal Generators Programming Guide
Model of Signal Generator
N5162A N5182A
E4438C with
with Option
Option 001,
651, 652, or 654
002, 601, or
602
x
x
x
x
x
x
–
x
x
x
–
x
b
b
n/a
n/a
Creating and Downloading User–Data Files
Signal Generator Memory
E8267D Option
All Other
601 or 602
models
x
–
x
–
x
–
x
–
x
–
x
–
b
–
n/a
a
317
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