13-62 Chapter 13
Replaceable Parts
Replaceable Part Listings
Table 13-1 Abbreviation Definitions
REFERENCE DESIGNATIONS LED........................................light-emitting diode
A................................................................Assembly M...............................................................meters
B...............................................................fan; motor M...............................................meteric hardware
J..........electrical connector (stationary portion); jack MB.......................................................motherboard
RPG.........................................rotary pulse generator MHz........................................................megahertz
W................................cable; transmission path; wire mm.....................................................millimeters
ABBREVIATIONS MON........................................................monitor
A.......................................................................ampere NOM.......................................................nominal
ALC.......................................automatic level control NY...............................................................nylon
ASSY..........................................................assembly OD...............................................outside diameter
AUX............................................................auxiliary Opt..............................................................option
BD.......................................................................board OSC........................................................oscillator
COAX.............................................................coaxial PC..........................................................patch lock
CPU.......................................central processing unit PC....................................................printed circuit
CW........................................conical washer (screws) PN...............................................panhead (screws)
D................................................................diameter REF........................................................reference
ESD........................................electrostatic discharge REPL.................................................replacement
EXT.............................................................external RP.........................................................rear panel
EYO.....................................................YIG oscillator SH....................................socket head cap (screws)
FL...................................................flathead (screws) TX........................................TORX recess (screws)
FP............................................................front panel Qty...........................................................quantity
FRAC-N..................................................fractional N V.....................................................................volt
FREQ........................................................frequency WFR......................................................wire formed
GHz...........................................................gigahertz W/O..........................................................without
GPIB............................general purpose interface bus YIG..........................................yttrium-iron garnet
HEX..........................................................hexagonal OPTIONS
HP..................................................Hewlett-Packard 002..................................harmonics measurement
HX...............................................hex recess (screws) 004.........................55dB step attenuator (ET only)
ID......................................................inside diameter 006.................................................6 GHz operation
IF..........................................intermediate frequency 010.....................................................time domain
I/O.........................................................input/output 011.........................................w/o test set (ES only)
kHz............................................................kilahertz 075...................................75 ohm test set (ES only)
LCD...........................................liquid crystal display 1D5........................................10 MHz precision ref