Remote Operation

Programming the Switch Driver

Programming the Switch Driver

Initialization

To make sure the bus and all appropriate interfaces are in a known state,

 

begin every program with an initialization statement.

Example

CLEAR 709 ! initializes the interface of the driver.

 

Then initialize the switch driver to a preset state. For example:

 

OUTPUT 709;“*RST” ! initializes the instrument to a preset state.

 

The actual commands and syntax for initializing the switch driver are

 

discussed in the section “Common Commands Reference” on page 4-12.

 

Refer to the controller manual for information on initializing the interface.

Setting Up the Switch

A typical switch driver setup would set the drive (ON or OFF) paths, delay

Driver

time, sensing (ON or OFF), and pulse width. Some typical examples of the

 

commands sent to the driver are:

 

OUTPUT 709;“*CLS;ROUTE:DRIVE:ON (@100,102,104,106,....);”

 

OUTPUT 709;“ROUTE:DRIVE:OFF (@101,103,105,107,....);”

 

OUTPUT 709;“ROUTE:VERIFY:ON (@100,102,104,106,....);”

 

OUTPUT 709;“ROUTE:WIDTH .04,(@100,102,104,106,....);”

 

OUTPUT 709;“ROUTE:DELAY .03,(@100,102,104,106,....);”

Receiving Information from the Switch Driver

After receiving a query (command header followed by a question mark), the switch driver interrogates the requested function and places the answer in its output queue. The answer remains in the output queue until it is read or another command is issued. When read, the message is transmitted across the bus to the controller.

The input statement for receiving a response message from an instrument’s output queue typically has two parameters; the device address and a format specification for handling the response message.

Example To read the result of the query command

:GROUP:LABEL?

you would execute the statement:

10OUTPUT 709;“ROUT:GROUP:LABEL? GROUP1”

20ENTER 709;Setting$

Agilent 87130A Operating and Service Manual 4-9

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Agilent Technologies 87130A manual Programming the Switch Driver, Initialization, Setting Up the Switch
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87130A specifications

Agilent Technologies 87130A is a highly regarded network analyzer that has been widely adopted in the field of RF and microwave testing. Known for its versatility and precision, the 87130A is designed for evaluating components and devices in various applications, including telecommunications and electronics.

One of the main features of the 87130A is its frequency range, which spans from 300 kHz to 3 GHz. This broad spectrum allows engineers to test a wide variety of RF components, including amplifiers, filters, and antennas. The analyzer provides vector network analysis capabilities, enabling users to measure both the magnitude and phase of S-parameters, essential for characterizing components effectively.

The instrument is equipped with a powerful internal calibration capability, which ensures accurate measurements by compensating for test fixture errors and other variables. The built-in electronic calibration options further enhance measurement accuracy and repeatability, giving engineers confidence in their results.

Another notable characteristic of the 87130A is its graphical user interface, which is intuitive and user-friendly. The display provides clear visual representations of measurement data, allowing for easy interpretation and analysis. Users can access a variety of measurement functions, such as gain compression, group delay, and return loss, making it a versatile tool for multi-faceted testing.

The Agilent 87130A employs advanced measurement algorithms that improve speed and accuracy. These enhancements facilitate rapid data acquisition, which is particularly beneficial in production environments where time is critical. The analyzer also supports multiple calibration techniques, including through-reflect-match (TRM) and short-open-load (SOL), catering to diverse testing needs.

Connectivity options are abundant, with GPIB, LAN, and USB interfaces, allowing seamless integration into automated test setups. This modularity supports remote operation, making it easier to incorporate the analyzer into various testing environments.

Overall, Agilent Technologies 87130A stands out for its precision, ease of use, and flexibility in RF and microwave testing applications. Its combination of advanced features and robust performance makes it a staple in laboratories, production lines, and research settings, helping engineers and technicians achieve optimal results in their measurement endeavors.
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