HP 436A - Page 84

•
•
•
Model 436A
Table
6-1.
Reference
Designations
and
Abbreviations
(2
of
2)
MOD
. . .
• •
.
•
modulator
MOM
. . . . . .
momentary
MOS . . . . .
•
.
metal-oxide
semiconductor
ms
. .
•
.
. . .
•
millisecond
MTG
•
.
. . .
•
.
•
mounting
MTR
•
.
.
meter
(indicating
device)
mV
.
• •
.
. .
•
.
. .
millivolt
mVac
. . .
•
.
.
millivolt,
ac
mVdc
•
.
.
• •
.
millivolt,
de
mVpk
. . .
•
millivolt,
peak
mVp-p
. . .
millivolt,
peak-
to-peak
mVrms
....
millivolt,
rms
mW
• •
.
.
• •
.
.
•
milliwatt
MUX
.
•
. . . . .
multiplex
MY
.••.••.•....
mylar
µ.A
.
• •
.
• • •
microampere
µF
• • • • .
• • •
microfarad
µH
. . . . . . . .
microhenry
µmho
. . . . . . .
micromho
µs
. . . . . . . .
microsecond
µv
. . . . . . . . .
microvolt
µvac
. . . .
•
.
microvolt,
ac
µYdc
. . . •
.
microvolt.
de
µVpk
.
•
.
microvolt,
peak
µYp-p
.
•
.
microvolt,
peak-
to-peak
µVrms
. . .
•
microvolt,
rms
µw
. . . . . . . . .
microwatt
nA
• •
.
•
.
• • •
nanoampere
NC
•
.
. .
•
.
no
connection
N /C . .
•
.
normally
closed
NE
•
.
. •
.
• •
.
.
neon
NEG
. .
•
.
. . . . .
negative
nF
.
•
. . . . . . .
nanofarad
NI
PL
. . .
•
.
.
nickel
plate
N
/0
. . . . .
normally
open
NOM
. . . . . . . .
nominal
NORM
.
•
. . . . . .
normal
NPN
negative-positive-
negative
NPO
. . . .
negative-positive
zero
(zero
tempera-
ture
coefficient)
NRFR
..
not
recommended
for
field
replace-
ment
NSR
not
separately
replaceable
ns
.
•
. .
•
.
• •
.
nanosecond
nW . . . . . . . .
•
nanowatt
OBD
order
by
descrip-
tion
OD
•
.
. •
.
outside
diameter
OH
.
•
.
• •
.
. . .
oval
head
OP
AMPL
. . .
operational
amplifier
OPT
. .
•
.
. .
option
OSC
·
.
.
•
.
. . •
.
•
oscillator
OX
.......•....
oxide
oz
..•.•.•.•...
ounce
n
..............
ohm
P . . . .
peak
(used
in
parts
list)
PAM
. .
• •
pulse-amplitude
modulation
PC
. . . .
•
.
printed
circuit
PCM . .
pulse-code
modula-
tion;
pulse-count
modulation
PDM
. . . . .
pulse-duration
modulation
pF
. . . . . . .
•
.
picofarad
PH
BR
Z
phosphor
bronze
PHL
. .
• •
.
.
• •
.
. Phillips
PIN
positive-intrinsic-
negative
PIV
. . . . . . .
peak
inverse
voltage
pk
.............
peak
PL
. . . . . . .
•
.
phase
lock
PLO
. . . . . .
•
.
phase
lock
oscillator
PM . . . .
phase
modulation
PNP
positive-negative-
positive
P/0
. . . . . . .
part
of
POLY
. . . .
• •
polystyrene
PORC
. . . .
• •
.
.
porcelain
POS
..
positive;
position(s)
(used
in
parts
list)
POSN
. .
position
POT
. . . . .
potentiometer
p-p
. . . . . . .
peak·to-peak
PP
. . .
peak-to-peak
(used
in
parts
list)
PPM . . . . .
pulse-position
modulaiion
PREAMPL
. . .
preamplifier
PRF
pulse-repetition
frequency
PRR
pulse
repetition
rate
ps
. . . . . . . . .
picosecond
PT
.......•...•
point
PTM
.
. . . . . . .
pulse·time
modulation
PWM . . . . . . .
pulse-width
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-
RMO
capacitance
rack
mount
only
rms
• •
.
.
root-mean-square
RND
...•.......
round
ROM
.
read-only
memory
R&P
. . . . .
rack
and
panel
R
WV
.
. .
reverse
working
NOTE
voltage
S . . .
scattering
parameter
s
........
second
(time)
•..
"
.
second
(plane
angle)
S-B
..•..
slow-blow
(fuse)
(used
in
parts
list)
SCR
. . .
silicon
controlled
rectifier;
screw
SE
. . . . . . . . . .
selenium
SECT
. . . . . . . .
sections
SEMICON
. . . . .
semicon-
ductor
SHF
. . . . . .
superhigh
fre-
quency
SI
•
.
. . . . . . . . . .
silicon
SIL
. . . . . . . . . . . . silver
SL
.............
slide
SNR
. .
signal-to-noise
ratio
SPOT
. . . . . .
single-pole,
double-throw
SPG
..•........
spring
SR
. . . . . . . . . .
split
ring
SPST
single-pole,
single-throw
SSB
.
. . . . single
sideband
SST
. . . . . .
stainless
steel
STL
..........•.
steel
SQ
. .
•
. . . . . . . .
square
SWR
. .
standing-wave
ratio
SYNC
......
synchronize
T
..
timed
(slow-blow
fuse)
TA
. . . . . . . .
tantalum
TC
. . . . . . •
.
temperature
compensating
All
abbreviations
in
the
parts
list
will
be
in
upper-case.
MULTIPLIERS
Abbreviation
Prefix
Multiple
T
tera
1012
G
giga
109
M
mega
106
k
kilo
103
da
deka
10
d
deci
10-1
c
centi
io-2
m
milli
io-3
µ
micro
io-6
n
nano
io-9
p
pico
10-12
f
fem
to
io-15
a
at
to
io-1s
Replaceable
Parts
TD
. . . . . . . . .
time
delay
TERM
. . . . . . . .
terminal
TFT
. .
thin-film
transistor
TGL
...........
toggle
THD
. . . . . . . . . .
thread
THR
U . . . . . . . .
through
TI
•
.
. . . . . . . .
titanium
TOL
. . . .
•
.
. . .
tolerance
TRIM
. . . . . . . .
trimmer
TSTR
. . . . . . .
transistor
TTL
. .
transistor-transistor
logic
TV
. . . . . . . . .
television
TVI
television
interference
TWT . .
traveling
wave
tube
u . . . . .
micro
(10°
6
)
(used
in
parts
list)
UF
.
• •
microfarad
(used
in
parts
list)
UHF
.•
ultrahigh
frequency
UNREG
. . . .
unregulated
V
...........•..
volt
VA . .
• .
. .
•
.
voltampere
Vac
. . . . . . . . •
volts,
ac
VAR
..........
variable
VCO . . .
voltage-controlled
oscillator
Vdc
. . . . . . . . .
volts.
de
VDCW.
.
volts,
de,
working
(used
in
parts
list)
V(F)
. . . . . .
volts.
filtered
VFO
. .
variable-frequency
oscillator
VHF
.•....
very-high
fre-
quency
Vpk
. . . . . . . .
volts,
peak
Vp-p . .
volts.
peak-to-peak
Vrms
. . . . . . .
volts,
rms
VSWR
.
. .
voltage
standing
wave
ratio
VTO
. . . . . .
voltage-tuned
oscillator
VTVM
. . . .
vacuum-tube
voltmeter
V(X)
. . . . .
volts,
switched
W
..............
watt
W/
.•.•....••...
with
WIV . . . .
working
inverse
voltage
WW
. . . .
•
.
.
wirewound
W/0
. . . . . . . . .
without
YIG
. .
yttrium-iron-garnet
Z
0
•
.
• • •
.
.
characteristic
impedance
6-3