Instrument Memory - Keysight NFA Series Security Features

Product Declassification and Security
Product Name: ESA-Series Spectrum Analyzers, EMC Analyzers, and NFA Series Noise Figure Analyzers

Instrument Memory

This section contains information on the types of memory available in your instrument. It explains the size of
memory, how it is used, its location, volatility, and the sanitization procedure.
Table 1. Summary of Instrument Memory - Base Instrument
Memory Type
and Size
(Size is in bits)
Main Memory Yes
(Flash)
64 M (w/o Opt
B72)
128 M (w Opt
B72)
Boot ROM No
(Flash)
1 M
Battery-backed Yes
System
Information
Memory
(SRAM)
256 k
Operations Yes
Memory
(DRAM)
128 M (w/o Opt
B72)
256 M (w Opt
B72)
Video Memory Yes
(DRAM)
1 M
Purpose/Contents
Yes Firmware operating system,
installed measurement
personalities (ESA-E only),
option license keys, loaded
user limit lines, loaded user
amplitude correction
factors, user preset data;
also contains user C: drive,
instrument states and
setups, trace data, limit line
files, screen images,
amplitude correction files,
reports (EMC only), signal
lists (EMC only)
Yes Boot loader for the
instrument's CPU
Yes Self alignment data, current
time and date, remote
interface configuration,
printer setup information,
last state settings,
miscellaneous instrument
system information
No Firmware operating
memory; also provides
R: drive for user input
No Used to store trace
information before
displayed on screen
Location in
Data Input
Instrument and
Method
Remarks
Programmed A4 Processor
before installed
and also by
user
Programmed A4 Processor
before installed No user data
Firmware A4 Processor
operations and The battery cannot
user easily be removed.
Firmware A4 Processor
operations and Volatile memory.
user Data is cleared when
the instrument is
turned off.
Firmware A4 Processor
operations
during
instrument
usage
Sanitization
Procedure
See Table 6
See Table 6
See Table 5
Cycle power
Press
Instrument
Preset or
cycle power
7