User's Manual Part 2

Digital ATSC Exciter-Modulator System Appendix D: Glossary
Axcera Axciter, Rev. 0 D-2
IVFAIL Filter Inversion Failure
Lattice Manufacturer of FPGAs
LAVG Enables LMS adaptive filter coefficient averaging
LED Light Emitting Diode
LEVM Enables calculation of EVM and signal to noise values
LEVMEQ Enables calculation of linearly equalized EVM and signal to noise values
LMS Least Means Square
Lunity Scaling factor for nonlinear equalizer for unity gain value
Lwindo Controls windowing of linear adaptive equalizer coefficients
NLEQIO Nonlinear Equalizer I Channel – Old
NLEQI Nonlinear Equalizer I channel - New
NLEQQO Nonlinear Equalizer Q Channel – Old
NLEQQ Nonlinear Equalizer Q channel - New
NTSC National Television Systems Committee (Analog TV)
NTSCRR Analog TV RRC filtering control
P Power
OCXO Oven Controlled Crystal Oscillator
RC Raised Cosine
RMS Root Mean Square
RRC Root Raised Cosine
SMB Connector type
SMPTE Society of Motion Picture and Television Engineers
SNR Signal to Noise Ratio – usually measured in decibels
SSB Single Side Band
TXEQ Transmitter equalizer – linear equalizer coefficients – AEQ
Visual Analog television video signal
VSAEQ Vector Signal Analyzer Equalizer
VSB Vestigial Side Band
Weaver
Modulator
A method for generating SSB and VSB signals – also known as the “third
method” of SSB modulation
WEQ Weaver Equalizer
Xleak Controls LMS algorithm coefficient leakiness