Automating Measurements
Automated Measurement Setup and Control
Responsive
Communication
using
SRQs
Service Requests
(SRQs)
are a method by which you can instruct the analyzer
to tell your computer program when a condition changes or when an event of
interest occurs. This communication is done via
HP-If3
signals.
Analyzer SRQ events include:
0
Limit test fails
l
A front panel key or external keyboard key is pressed
l
Hardcopy in progress or complete
0
Sweep in progress or complete
l
Power has been cycled
The analyzer can be set to cause an SRQ on any combination of the above
events. Using
SRQs
allows your program to be interrupt driven, reducing
the latency and inefficiency of polling. For more details, refer to Chapter 5,
“Using Status Registers” in the Programmer’s Guide.
Using
Both
of
the
Analyzer’s
Measurement
Channels
The analyzer is capable of making different measurements on each of
its two measurement channels. For example, you can set measurement
channel 1 to measure Transmission over one set of sweep frequencies, while
measurement channel 2 is set to to measure Reflection from another set of
sweep frequencies. Thus, two measurements can be made by the operator at
the same time. Also, the controller can switch between measurement channel
1 and measurement channel 2, while turning the inactive channel off, to
quickly change the test setup between two test states.
7-52
深圳市盛腾仪器仪表有限公司 Tel:0755-83589391 Fax:0755-83539691 Website: www.Sengt.com
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