Agilent Technologies 2712A, 2948 manual Abbreviations 2

Replaceable Parts Model 8904A

Table 6-2.Abbreviations (2 of 2)

MOD .... modulator

MOM ........... momentary

mV	device)
	millivolt
mVac	millivolt, ac
mVpp	millivolt, peak-
mVrms	to-peak
	millivolt, rms
mW	milliwan
MUX	multiplex
MY	mylar
&	microampere
pF	microfarad
pH	microhenry
pV	microvolt
pVac	microvolt, ac
pVdc	microvolt, dc
@Vpk	microvolt. peak
pVp-p	microvolt, peak-
pvrms	to-peak
	microvolt, rms
pW	microwatt

N/O	normally open
NOM	nominal
NORM	normal
NPN	negative-positive-
NPO	negative-positive
zero (zero tempera-
ture coefficient)
NRFR	not recommended
for field replacement
NSR	not separately
replaceable
ns	nanosecond
nW	... nanowatt
OBD ....	order by description

OD			outside diameter
OH			oval head
OP AMPL			....... operational
		amplifier
			......... option
			....... oscillator
O X . .	................		oxide
			...... ounce
			peak (used in parts
PAM			pulse-amplitude
PC		modulation
			printed circuit
PCM	.... pulse-code modula-
		tion; pulse-count
		modulation
PDM	.........		pulse-duration
pF		modulation
			picofarad
PH BRZ		....	phosphor bronze
PHL	...............		Phillips
PIN .	. .	. .	. . . positive-intrinsic-
		negative
			ltage
			peak
PLO			lock
	....		phase lock oscillator
PM			phase modulation
PNP	......		positive-negative-
P/O		positive
			part of
POLY	..........		polystyrene
PORC		. ,	porcelain
POS	.,		. positive: position(s)
POSN		(used in parts list)
		position
p-p			peak-to-peak
PPM		in parts list)
	.........		pulse-position
		modulation
PREAMPL			...... preamplifier
PRF	........		pulse-repetition

	frequency
PRR .... pulse repetition rate
ps	picosecond
PT	point
PTM	pulse-time
	modulation
PWM	pulse-width
	modulation

RECT	.............. rectifier
REG	.... reference
	............. regulated
REPL	.......... replaceable
RH ...	interference
	round head; right hand
RLC	resistance-
	inductance-
RMO	capacitance
	....... rack mount only
rms	root-mean-square
RND	round
ROM	..... read-only memory
R&P	rack and panel
RWV	....... reverse working

voltage

Sng parameter

S	second (time)
...	(plane angle)
S-B	slow-blow (fuse)
SCR	(used in parts list)
	silicon controlled
SE	rectifier; screw
	selenium
SECT	............. sections
SI	silicon
SIL..	................ silver
SL	slide
SNR	.... signal-to-noise ratio
SPDT	.......... single-pole,
	double-throw
SPG	spring
SR	splitring
SPST	single-pole,

SS........... Service Sheet

........ single sidebandWSSB

STL .........

SWR .... standing-wave ratio

SYNC	.......... synchronize
T	timed (slow-blow fuse)
TA	tantalum
TC	temperature
	compensating

TD	time delay
TERM	terminal
TFT	thin-film transistor
TGL	toggle
THD	thread
THRU	through
TI	titanium
TOL	tolerance

TTL ..... transistor-transistor

N	...............	logic	television
TVI	....	television interference
TWT		traveling wave tube
U		micro	(used
UF		in parts list)
	......	microfarad (used in
UHF		parts list)
		ultrahigh frequency
UNDEF		..........	undefined
UNFEG		........	unregulated
v			volt
VA	.............		voltampere
Vac			volts, ac
VAR			variable
VCO		voltage-controlled
Vdc		oscillator	volts, dc
VDCW		volts, dc, working
		(used in parts list)
VHF		oscillator
		very-high frequency
Vrms			volts, rms
VSWR		voltage standing
VTO		wave ratio
		oscillator	voltage-tune
VTVM			vacuum-tube
		voltmeter
V(X)
		volts, switched
w .	. ..................		wan
wl	...................		with
WIV		working inverse
WW		voltage	wirewound
W/O			without
YIG		yttrium-iron-garnet
Z,	........... characteristic

impedance

NOTE

All abbreviations in the parts list will be in upper-case.

MULTIPLIERS

Abbreviation	Prefix	Multiple
T	tera	10’2
G	gigs	109
M	mega	106
k	kilo	103
da	deka	10
d	deci	10-1
C	centi	10-2
m	milli	10-3
P	micro	10-6
n	nano	10-9
P	pic0	10-12
f	femto	10-’5
a	ano	10-18

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