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RAM
Random Access Memory.
register-based VXI device
Register-based devices communicate with the VXI Bus by way of registers.
They must be programmed with low-level binary commands but they can
communicate faster than message-based devices. The HP E1432A and HP
E1433A are register-based VXI devices.
registers
Memory locations in the hardware of a VXI module which can be used to
program the module at a low level.
RPM
Revolutions Per Minute.
ROM
Read-Only Memory
SCA
Signal Conditioning Assembly. An example is the 4-channel input
assemblies used in the HP E1432A (also called Vibrato).
sample rate
The rate at which the measurement data is sampled. For the HP E1432A,
the sample rate is 2.56 times the frequency span. Sample rate is
abbreviated “Fs” (for “sample Frequency”).
settling
When settling, the digital filter waits a designated number samples before
outputting any data.
SFP
see Soft Front Panel
shared memory
Memory locations in both a VXI module and in a host or controller which
are shared and can be used to transmit data between the host and module.
slot 0 commander
The module which occupies the left-most slot in a VXI mainframe. It
supplies important signals for the rest of the system.
SMB
Sub-Miniature “B”; a type of connector.
HP 1432A User's Guide
Glossary
G-5