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DSP
Digital Signal Processing.
DTB arbitration bus
The HP E1432A does not use the arbitration bus. The arbitration bus is
part of the VXI specification and is used by some modules to request bus
control.
ECL
Emitter-Collector Logic, a standard for electrical signals.
Engineering Unit (EU)
A scale factor used to convert the output of a transducer (in volts) into
another unit (for example: g’s).
FFT
Fast Fourier Transform.
FIFO
First-In First-Out. A buffer and controller used to transmit data. The FIFO
in the HP E1432A/HP E1433A input is implemented using DRAM.
freerun counter
A counter in which the bits always increment. When the freerun counter
reaches all ones it resets to all zeros and continues counting.
Fs
Sample Frequency or sample rate.
group ID
Any number of channels may be declared and uniquely identified by a
groupID. A channel can be a member of more than one group.
holdoff time
A circuit that detects a trigger signal will not respond to another trigger
until the holdoff time has passed. This prevents a ringing signal from be
detected as multiple triggers.
HP VEE
A Hewlett-Packard program for graphical programming.
IACK
Interrupt ACKnowledge.
HP 1432A User's Guide
Glossary
G-3