HP 5065A Operating And Service Manual page 52

Rubidium vapor frequency standard
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Model 5065A
Circuit Diagrams, Theory, and Maintenance
S E C T I O N VI
REPLACEABLE PARTS
6-1. INTRODUCTION
I
_
6-2.
This section contains parts number information
I
needed to order replacement parts. Table 6-2 to 6-6 lists
|
parts by assembly reference designation and/or by
;
option number/assembly designation.
The part num-
bers also provide the following information on each
j
part:
a. Description of part (see abbreviations in Table
-
6-1).
b. Typical manufacturer of the part in a five-digit
^_
code; see list of manufacturers in Table 6-7.
c.
Manufacturer's part number.
^_
d. Total quantity used in the instrument
(TQ
column).
Table 6-1. Table of Abbreviations
A
B
BT
C
CP
CR
DL
DS
E
A
AFC
AMPL
=
BFO
BE CU = >
BH
BP
BRS
BWO
CCW
CER
CMO
COEF
=
COM
COMP
=
COMPL =
CONN
-
CP
CRT
cw
DEPC
-
DR
ELECT --
ENCAP -
EXT
F
FH
FIL H
=
FXD
G
GE
GL
GRD
01194-14
assembly
motor
battery
capacitor
coupler
diode
delay line
device signaling (lamp)
misc electronic part
a m p e r e s
automatic frequency control
amplifier
beat frequency oscillator
beryllium copper
binder head
bandpass
b r a s s
backward wave oscillator
counter-clockwise
c e r a m i c
cabinet mount only
coefficient
common
composition
complete
connector
cadmium plate
cathode-ray tube
clockwise
deposited carbon
drive
electrolytic
encapsulated
external
farads
flat head
fillister head
fixed
giga (10
9
)
germanium
glass
ground(ed)
F
F L
IC
J
K
L
LS
M
MK
H
HDW
HEX
HG
HR
HZ
IF
IMPG
INCD
INCL
INS
INT
K
LH
LIN
LK WASH
LOG
LPF
M
MEG
MET FLM
MET OX
MFR
MHZ
MINAT
MOM
MOS
MTG
MY
N
N ' C
NE
NI P L
REFERENCE DESIGNATORS
-- fuse
=
filter
-
integrated circuit
-
jack
=
relay
=
inductor
-
loud speaker
-
meter
-
microphone
MP
P
Q
R
RT
S
T
TB
TP
ABBREVIATIONS
=
henries
=
hardware
-
hexagonal
=
mercury
-
hour(s)
=
hertz
^ intermediate freq
-
impregnated
=
incandescent
= include(s)
-
insulation(ed)
-
internal
= kilo ■- 1000
= left hand
-
linear taper
-
lock washer
= logarithmic taper
= low pass filter
= milli = 10"
3
= meg = 10
6
-- metal film
-
metallic oxide
=
manufacturer
-
mega hertz
-
miniature
-
momentary
= metal ozide s u b s t r a t e
= mounting
-
" m y l a r "
= nano (10"
9
)
-
normally closed
= neon
= nickel plate
N/O
NOM
NPO
NPN
NRFR
NSR
OBD
OH
OX
P
PC
P F
PH BRZ
PHL
prv
PNP
P ' O
POLY
PORC
POS
POT
P P
P T
PWV
RECT
R F
HH
= mechanical part
= plug
=
t r a n s i s t o r
=
r e s i s t o r
=
t h e r m i s t o r
-
switch
-
t r a n s f o r m e r
-
terminal board
-
test point
-
normally open
-
nominal
-
negative positive zero
(zero t e m p e r a t u r e
coefficient)
=
negative-positive-
negative
= not recommended for
field replacement
-
not separately
replaceable
= o r d e r by description
= oval head
= oxide
= peak
-
printed circuit
-
picofarads - 1 0 " ^
farads
-
phosphor bronze
=
Phillips
= peak inverse voltage
-
positive-negative-
positive
-
part of
-
polystyrene
-
porcelain
-
position(s)
-
potentiometer
-- peak-to-peak
-
point
= peak working voltage
-
rectifier
= radio frequency
-
round head or
right hand
U
V
VR
W
X
Y
Z
RMO
RMS
RWV
S-B
SCR
SE
SECT
SEMICON =
SI
SIL
SL
SPG
SPL
SST
SR
STL
TA
TD
TGI
THD
TI
TOL
TRIM
TWT
U
VAR
VDCW
W '
W
wrv
ww
w o
integrated circuit
vacuum, tube, neon
bulb, photocell, etc.
voltage regulator
cable
socket
c r y s t a l
tuned cavity,
network
rack mount only
root-mean square
r e v e r s e working
voltage
slow-blow
screw
selenium
section(s)
semiconductor
silicon
silver
slide
spring
special
stainless steel
split ring
steel
tantalum
time delay-
toggle
thread
titanium
tolerance
t r i m m e r
traveling wave tube
micro = lO"
6
variable
dc working volts
with
watts
working inverse
voltage
wirewound
without
6-1
6-3. Miscellaneous parts are listed at the end of each
table.
6-4. ORDERING INFORMATION
6-5. To obtain replacement parts, address order of in­
quiry to the nearest Hewlett-Packard Sales and Service
Office (see lists at rear of this manual for addresses).
Identify parts by their Hewlett-Packard part numbers.
6-6. To obtain a part not listed, include:
a.
Instrument model number.
b.
Instrument serial number.
c.
Description of the part.
d.
Function and location of the part.

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