HP 8903B - Page 13

Replaceable Parts Model 8903B
Table 6-2. Abbreviations (2 of 2)
MOD ............ modulator
MOM ........... momentary
ms ............. millisecond
MTG
............. mounting
MTR
....... meter (indicating
mV ................ millivolt
mVdc
........... millivolt, dc
mVpk
......... millivolt, peak
device)
PF .............. microfarad
pmho ............ micromho
WVac .......... microvolt, ac
pVdc
.......... microvolt, dc
pVpk
........ microvolt, peak
wVp-p
...... microvolt, peak-
pVrms ....... microvolt, rms
pW
.............. microwatt
nA ............ nanoampere
no connection
NE .................. neon
to-peak
NOM ...........
NPN ...... negative-positive-
NPO
....... negative-positive
NRFR .... not recommended
NSR
......... not separately
.... nanosecond
nW .............. nanowatt
negative
zero (zero tempera-
ture coefficient)
for field replacement
OD ........ outside diameter
OH .............. oval head
OP AMPL ....... operational
OPT ................ option
amplifier
oz .................. ounce
R .................... ohm
P
....... peak (used in parts
PAM ........ pulse-amplitude
PC
........... printed circuit
PCM
.... pulse-code modula-
PDM
......... pulse-duration
pF ............... picofarad
PH BRZ ... phosphor bronze
PHL ............... Phillips
PIN ........ positive-intrinsic-
PIV .... peak inverse voltage
list)
modulation
tion; pulse-count
modulation
modulation
negative
PM ....... phase modulation
PNP
...... positive-negative-
P/O
................ part of
positive
POLY .......... polystyrene
(used in parts list)
POSN ............. position
POT
.......... potentiometer
p-p
........... peak-to-peak
PP
...... peak-to-peak (used
in parts list)
modulation
PREAMPL
...... preamplifier
PRF
........ pulssrepetitin
frequency
PRR .... pulse repetition rate
modulation
modulation
PWV ......... peak working
voltage
RC ............. resistance-
capacitance
RECT
.............. rectifier
REF ............. reference
REG
............. regulated
REPL
.......... replaceable
RF
......... radio frequency
RFI
......... radio frequency
interference
RH
... round head; right hand
RLC
............ resistance-
inductance-
capacitance
RMO
....... rack mount only
rms
....... root-mean-square
RND
................ round
ROM ..... read-only memory
R&P
........ rack and panel
RWV ....... reverse working
S ...... scattering parameter
s ............ second (time)
...I ..... second (plane angle)
SCR ....... silicon controlled
SE ............... selenium
SECT
............. sections
SEMICON
.... semiconductor
SHF
.... superhigh frequency
SI .................. silicon
SIL..
................ silver
SL..
................. slide
SNR .... signal-to-noise ratio
SPDT
.......... single-pole,
double-throw
SPG
................ spring
SR ............... split ring
SPST
.......... single-pole,
single-throw
SS ........... Service Sheet
SSB ........ single sideband
SST ......... stainless steel
STL
................. steel
SO ................ square
SWR .... standing-wave ratio
SYNC
.......... synchronize
T
..... timed (slow-blow fuse)
TA
............. ..tantalum
TC
............ temperature
compensating
voltage
S-B ........ Slow-blow (fuse)
(used in parts list)
rectifier; screw
NOTE
All abbreviations in the parts list will be in uppercase.
MULTIPLIERS
Abbreviation
T
G
M
k
da
d
m
n
P
f
a
C
P
Prefix
tera
gigs
mega
kilo
deka
deci
centi
milli
micro
nano
pic0
femto
ano
Multiple
10'2
1 09
1 06
103
10-1
10-2
10-3
10-6
10-9
10-12
10-15
10-18
10
TFT ...... thin-film transistor
TGL
................ toggle
TOL ............. tolerance
TSTR
............ transistor
TV ............... television
TVI .... television interference
... micro (used
in parts list)
UF
...... microfarad (used in
parts list)
UHF ..... ultrahigh frequency
UNDEF .......... undefined
... traveling wave tube
VDCW .... volts, dc, working
V(F)
........... volts, filtered
VFO
...... variable-frequency
VHF
..... very-high frequency
(used in parts list)
oscillator
VSWR ...... voltage standing
VTO ........... voltage-tune
VrVM
......... vacuum-tube
V(X)
......... volts, switched
w ....... ..... wan
W/
................... with
WIV
........ working inverse
WW ............ wirewound
W/O
............... without
YIG
...... yttrium-iron-garnet
2, ........... characteristic
impedance
wave ratio
oscillator
voltmeter
voltage
6-4