HP 5004A, Руководство по эксплуатации и обслуживанию

Страница: 36 / 74

Model
Replaceable Parts
ABBREVIATIONS (CONTINUED)
EMF electromotive force millihenry PIN TERM
EDP mho mho negative TFT thin-film transistor
processing MIN =minimum PIV inverse voltage TGL toggle
ELECT electrolytic =minute (time) peak THD =thread
= encapsulated minute (plane angle) PL THRU through
EXT external =miniature phase lock oscillator TI titanium
F
= =
millimeter PM phase TOL tolerance
FET MOD modulator PNP positive-negative-
=
MOM
=
momentary
TSTR
FH head MOS
=
metal-oxide part of TTL transistor-transislor
FOL H head conductor POLY
FM frequency modulation
=
PORC porcelain TV
FP front panel MTG POS TVI
FREQ = frequency MTR =meter (used in parts list)
TWT traveling wave tube
FXD
device) POSN (10
gram POT potentiometer parts
GE
= =
ac
=
peak-to-peak (used
=millivolt, dc PP peak-to-peak (used parts
GL glass = peak parts UHF ultrahigh frequency
GND = peak-to-peak PPM UNREG unregulated
H =henry
=
modulation V
h =hour
=
PREAMPL = VA
HET MUX = PRF = pulse-repelttion =
HEX =hexagonal MY
=
mylar frequency VAR
=
variable
head P A
=
PRR pulse rate VCO
=
voltage-controlled
HDW hardware picosecond
HF frequency
=
=
HG mercury = micromho PTM = modulation VOCW
=
volts (used
HI = = pulse-width parts
=
PWV peak voltage =
HPF pass
=
ac RC resistance capacitance VFO
=
variable-frequency
HR =hour (used in parts list) = RECT
HV voltage peak REF = reference
VHF = very-high frequency
H
Z
= peak-lo- REG regulated
volts peak
peak REPL replaceable Vp-p peak-lo-peak
ID = inside = RF
radio frequency Vrms
IF inlermediate frequency RFI
radio frequency VSWR voltage wave
inch NC connection
round head; hand
=
voltage-luned
NIC = closed RLC resistance-inductance- VTVM vacuum-lube
= NE
=
neon capacitance
=
switched
INP =input NEG RMO rack mount only W
=
INS nanofarad = root-mean-square
INT
=
PL plate
RND = round WIV voltage
= normally open ROM read-only memory WW
=
wirewound
NOM rack and panel
=
NORM = normal RWV reverse voltage YIG
NPN = parameter
pound
negative = second (time) impedance
LC NPO = second (plane angle)
LED diode (zero temperature slow-blow (fuse (used
LF frequency
list) NOTE
LG = long NRFR = not recommended for controlled
LH left hand
replacement
All the parts
LIM NSR not separately selenium
Will be in case.
LIN taper (used replaceable SECT
parts nanosecond
=
= frequency
LK WASH = lockwasher
order by description
LO
low. OD
LOG
logarithmic taper OH oval head
(used in parts AMPL operational SNR
= signal-to-nose
ratio
OPT = =
LPF = low
MULTIPLIERS
throw
LV = low voltage OX oxide SPG
m = meter ounce split ring
ohm SPST T
MAX P peak (used pans throw G giga
megohm list) mega
MEG (used PAM
pulse-amplitude
stainless steel
kilo
parts
STL steel da
deka 10
MET FLM
metal film PC = SO
square d deci 10
MET OX
= metal oxide PCM pulse-code SWR
standing-wave 10
MF pulse-count modulation
SYNC
=
microfared (used in PDM T (slow-blow fuse)
micro
parts list) modulation TA
=
tantalum 10
MFR manufacturer TC P 10
=
PH phosphor bronze 10
megahertz delay a