Glossary
G-10
ni.com
V
VCO
Voltage-controlled oscillator. An oscillator that changes frequency
depending on a control signal; used in a PLL to generate a stable
pixel clock.
VI
Virtual Instrument. (1) A combination of hardware and/or software
elements, typically used with a PC, that has the functionality of a classic
stand-alone instrument (2) A LabVIEW software module (VI), which
consists of a front panel user interface and a block diagram program.
VSYNC
Vertical synchronization signal. The synchronization pulse generated at the
beginning of each video field that tells the video monitor when to start a
new field.
