8525B/8528 Technical Service Manual General Information 1-13
Publication No: 15-02036 Issue 6
1.4 Abbreviations
A/D Analog to digital
A/F Across flats (hexagon)
AC Alternating Current
ACIA Asynchronous Communication Interface Adapter
ADJ Adjust
AF Audio Frequency
AFC Automatic Frequency Control
AGC Automatic Gain Control
ALC Automatic Level Control
ALF Absorption Limited Frequency
AM Amplitude Modulation
ASCII American Standard Code for Information
Interchange
ASSY Assembly
ATU Antenna Tuning Unit
AUX Auxiliary
AV Average
BAL Balance
BALUN Balanced to Unbalanced Transformer
BCD Binary Coded Decimal
BPF Band Pass Filter
BW Bandwidth
C/O Change-over
CAL Calibrate
CCT Circuit
CCW Counterclockwise
CH Channel
CMOS Complementary Metal Oxide Semiconductor
COAX Coaxial
COM Common
CPU Central Processing Unit
CRO Cathode Ray Oscilloscope
CRT Cathode Ray Tube
CSK Countersink
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