Technical data

13-40 Chapter 13
Replaceable Parts
Replaceable Part Listings
Table 13-1 Abbreviation Definitions
REFERENCE DESIGNATIONS LCD........................................liquid crystal display
A................................................................Assembly LED.........................................light-emitting diode
B...............................................................fan; motor M...................................................................meters
J..........electrical connector (stationary portion); jack M...............................................meteric hardware
RPG.........................................rotary pulse generator MB.......................................................motherboard
W................................cable; transmission path; wire MHz........................................................megahertz
ABBREVIATIONS mm........................................................millimeters
A.......................................................................ampere MON............................................................monitor
ALC.......................................automatic level control NOM...........................................................nominal
ASSY.............................................................assembly NY....................................................................nylon
AUX...............................................................auxiliary OD.................................................outside diameter
BD.......................................................................board Opt.................................................................option
COAX................................................................coaxial OSC...........................................................oscillator
CPU.......................................central processing unit PC..........................................................patch lock
CW........................................conical washer (screws) PC....................................................printed circuit
D....................................................................diameter PN...............................................panhead (screws)
ESD.........................................electrostatic discharge REF...........................................................reference
EXT.................................................................external REPL...................................................replacement
EYO.....................................................YIG oscillator RP.........................................................rear panel
FL...................................................flathead (screws) SH....................................socket head cap (screws)
FP............................................................front panel TX.........................................TORX recess (screws)
FRAC-N..................................................fractional N Qty..............................................................quantity
FREQ...........................................................frequency V.........................................................................volt
GHz..............................................................gigahertz WFR......................................................wire formed
GPIB.........................general purpose interface bus W/O..............................................................without
HEX.............................................................hexagonal YIG..........................................yttrium-iron garnet
HP.....................................................Hewlett-Packard OPTIONS
HX...............................................hex recess (screws) 002..................................harmonics measurement
ID......................................................inside diameter 006............................................6 GHz performance
IF..........................................intermediate frequency 010.......................................................time domain
I/O............................................................input/output 011.......................................................w/o test set
kHz................................................................kilahertz 1D5........................................10 MHz precision ref