Instructions

T3VNA User Manual 109
Data of Trace C Syms/Errs
Format of Trace C Log Mag
Data of Trace D IQ Meas Time
Format of Trace D I-Eye
Properties
Eye Length 2
Symbol Table Hex
Marker
Select Trace A
Select Marker 1
Marker Type Normal
Relative To 2
Couple O
Meas Setup
Format 16QAM
Symbol Rate 10 ksps
Points/Symbol 4
Meas Length 128
Filter Setup
Meas Filter Sqrt Nyquist
Ref Filter Nyquist
Alpha/BT 0.35
Filter Length 64
Statistic
Statistic O
Average O
Avg Times 10
6.4.2 Couple
Set related parameters according to the coupling relationship.
Auto all: Set Related parameters automatically according to the coupling relationship.
1. Freq step
Freq step has a coupling relationship with RBW at the zero span. When in none-zero mode, Freq step
has coupling relationship with Span. Please refer to the introduction of the "Freq Step".
2. Attenuation
Input attenuation has a coupling relationship with Ref Level and the preamp. Please refer to introduction
of "amplitude".