Fluke PM6685, Service Manual

Page: 84 / 94

Glossary
A
ASIC Application Specific Integrated Circuit
C
Calibration Adjust-
ments
How to restore an instrument to perform in
agreement with its specifications
CSA Canadian Standards Association safety stan-
dard.
G
GaAs A technique to make very fast IC’s using
Gallium Arsenide substrate.
GPIB General Purpose Instrumentation Bus used for
interconnecting several measuring instruments
to a common controller.
I
I
2
C-bus An internal address- and data bus for communi-
cation between microcontroller, measuring
logic, and options.
IEC 1010-1 International Electrical Commission safety
standard.
L
LSI Large Scale Integrated circuit
O
OCXO Oven-Controlled X-tal Oscillator
P
PCA Printed Circuit Assembly
PCB Printed Circuit Board
Performance Check A procedure to check that the instrument is
functionally operational and performs to its
specification. Must not require opening of cabi-
net. If the instrument passes the check it is con-
sidered as calibrate.
PWM Pulse Width Modulation
T
TCXO Temperature-Controlled X-tal Oscillator
9-4 Glossary