
Now let’s perform a reflection measurement on a 20 dB attenuator
over the 1-to-18 GHz range.
We need to determine the setup, calibration, and measurement re-
quirements.
A known good starting point is to reset with Default Program parame-
ters. Since our measurement lies between 1 and 18 GHz, set the Start
and Stop frequencies using the Sweep Setup menu that appears on the
display following system reset.
Let’s perform a simple calibration,
Reflection Only,
which uses an open,
a short, and a broadband load. To do this, press the
Begin Cal
key and
follow the directions in the menu area.
When you complete the calibration, the “CHANNEL 1 WITH S11”
Smith chart appears on the display. Now:
1. Select the Log Magnitude display and install the attenuator.
2. Select Auto Scale to optimize the display data.
3. Use Markers 1 and 2 to find the maximum and minimum imped-
ance.
TRANSMISSION AND REFLECTION
MEASUREMENTS
8-10
37XXXC OM
REFLECTION MEASUREMENT
Example: 20 dB Attenuator
Setup
Calibration
Measurement
SETUP
Reset With the Default Parameters
Key
Set the Start Frequency to 1 GHz
Set the Stop Frequency to 18 GHz
CALIBRATION
Begin Cal Key
Reflection Only
MEASUREMENT
Select Log Magnitude Display
Install DUT
Autoscale
Set Marker 1 to Max, Marker 2 to
Min
Содержание 37 C Series
Страница 3: ......
Страница 4: ......
Страница 18: ...Figure 1 1 Model 37XXXC Vector Network Analyzer System...
Страница 32: ......
Страница 41: ......
Страница 61: ...Intentionally Blank...
Страница 96: ...Table of Contents 5 1 INTRODUCTION 5 3 5 2 ERROR MESSAGES 5 3 Chapter 5 Error and Status Messages...
Страница 97: ......
Страница 103: ......
Страница 117: ...HARD COPY AND DISK OUTPUT DATA DISPLAYS 6 16 37XXXC OM Figure 6 12 Example of a Tabular Printout 37347C...
Страница 223: ......
Страница 242: ...37XXXC OM 9 21 9 22 TIME DOMAIN MENU FLOWCHART Figure 9 25 Time Domain Menu Flow...
Страница 276: ......
Страница 323: ......
Страница 567: ......
Страница 582: ...37100C 37200C 37300C Vector Network Analyzers Technical Data Sheet Vector Network Analysis up to 65 GHz...