HP 3720A Service Manual page 22

Model 3720A
3-8 LIST OF ABBREVIATIONS
A
=
ampere
AC
=
alternating
current
A L
=
aluminium
AMPL
=
amplifier
ASSY
=
assembly
BD
=
board
BHD
=
bulkhead
BKDN
=
breakdown
CBL
=
cable
COAX
=
coaxial
COMP
=
compensated
CONCEN
=
concentric
CONN
CONT
CRT
DIO
DPDT
FET
FXD
GE
HV
HS
IC
=
connector
=
controlled
=
cathode ray tube
=
diode
=
double pole,
double throw
=
field effect
transistor
=
fixed
=
germanium
=
high voltage
=
high speed
=
integrated
circuit
INCD
=
incandescent
IND
=
inductor
INV
=
invert
I/P
=
input
K
=
kilo
(
lo3)
LED
=
light emitting diode
LH
=
left hand side
LIN
=
linear
LVR
=
lever
M
=
mega
(
1 O6
)
MA
=
milli ampere
MH
=
milli henry
MTG
=
mounting
MW
=
milli watt
NAND
=
not and
NOR = n o t o r
NPN
=
negative-positive-
negative
NSR
=
not separately
rep I acea ble
OPER
=
operational
PC
=
printed circuit
PF
=
pic0 farad ( 1 O-'*
PIV
=
peak inverse volts
PNP
=
positive-negative-
positive
'except for those components with#TQ after the description. In
these cases multiply the number in the total quantity column by
the number after# TQ for true quantity.
3-9 COLOUR ABBREVIATIONS
BLK
=
black ( 0 )
BRN
=
brown ( 1
)
RED
=
red (2)
ORN
=
orange (3)
3- 2
YEL
GRN
BLU
V I 0
=
yellow (4)
=
green (5)
=
blue ( 6 )
=
violet (7)
QUAD
=
quadruple
REC
=
rectifier
RH
=
right hand
RND =round
RTRY
=
rotary
SI
=
si I icon
SPDT
=
single pole,
SPST
=
single pole,
SW =switch
T
=
throw
TEMP
=
temperature
TGL
=
toggle
TQ"
=
total quantity
UF
=
micro farad
V
=
volt
side
double throw
single throw
(10-6)
VAR
=
variable
W
=
watt
WVDC
=
working voltage
XFMR
=
transformer
XR =expander
XSTR
=
transistor
d i rec
t
cu r re n
t
GRY
=
grey ( 8 )
WHT =white (9)
SI L V
=
silver
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