TIME DOMAIN MENUS TIME DOMAIN

9-18 37xxxE OM

37369A
MODEL: DATE: 03/27/96 15:16
DEVICE: OPERATOR:
START: 4.000000000 GHz GATE START: 642.5000 ps ERROR CORR: REFL PORT1
STOP: 40.000000000 GHz GATE STOP: 767.5000 ps AVERAGING: 1 PT
STEP: 0.090000000 GHz GATE: NOMINAL IF BNDWDTH: 1 KHz
WINDOW: NOMINAL
RESOLUTION
10.000 dB/DIV
REFERENCEVALUE
0.000 dB
REFERENCELINE
4
GHz4.000000000 40.000000000
FGTS11 FORWARDREFLECTION
LOG MAGNITUDE REF= 0.000 dB 10.000 dB/DIV
SET SCALING
OR PRESS
<AUTOSCALE>
-LOG MAG-
12 3
Figure 9-22. Frequency Domain Trace of DUT
DUT Interface
enlarged for evaluation

Note that the reference value is 0 dB and the resolution is

10 db per division. These values are optimum for viewing

the smoothly varying return loss characteristics of the DUT

interface - approximately 15 dB