Specifications

54 Chapter 3
Setting Measurement Conditions
Example program for setting the measuring conditions
Example program for setting the measuring conditions
An example program for setting the measuring conditions is shown below. This program
sets the E4991A as follows after resetting it. When the setting is complete, a completion
message is displayed.
Setting item Trace 1 Trace 2 Trace 4
Measurement mode Impedance measurement
Display trace Scalar Scalar Complex
Measurement parameter |Z| θz Γ
Display format Log Y-axis Linear Y-axis Smith
Phase display unit --- ° (degrees) ---
Expanded phase display --- On ---
Sweep parameter (sweep type) Frequency sweep (log sweep)
Start frequency 100 MHz
Stop frequency 3 GHz
Number of measurement points 201
Measurement direction Up
Sweep averaging factor 16
Point averaging factor 0 (off)
Sweep time Auto
Delay time at the start of sweep 0 seconds
Delay time at each measurement
point
0 seconds (When the sweep time is auto, the delay time
is 0 seconds)
Oscillator level 1 mA
dc bias output voltage level 15 V
dc bias current limit maximum value 10 mA
Full-scale value --- 500 ---
Reference value --- 0 ---
Reference position --- 50 ---
Maximum scale 100 --- ---
Minimum scale 0.1 --- ---