Vertex Standard 7122B, 7133B manual Pcb

ACRONYMS/ABBREVIATIONS

PC	Printed circuit
PCB	Printed-Circuit Board
PH	Phase
PLL	Phase-Lock Loss
PMCU	Portable Maintenance Control Unit
POL	Polarization
p-p	Peak-to-peak
PROG	Program
PROM	Programmable Read-Only Memory
RAM	Random Access Memory
RC	Resistance-capacitance
RDC	Resolver-to-Digital Converter
REV	Reverse
RF	Radio Frequency
RFI	Radio Frequency Interference
RMS	Root mean square
ROM	Read-Only Memory
rpm	Revolutions per minute
sec	Second
SPST	Single-Pole Single-Throw
ST	Short-term
STD	Standard
2b	Two-body (propagator)
TBT	Tracking Band Translator
TBU	Test Bed Unit
TEE	True Equinox and Equator
TT&C	Telemetry, Tracking, and Control
UTC	Coordinated Universal Time

VVolts

A - 3