Agilent Technologies 8935 Series Manual de usuario descargar pdf (Pagina 41)

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101

Chapter 1 41

Using HP-IB

Getting Started

To Make a Simple Measurement

The basic method for making a measurement is very similar to the

method used to read a field setting.

1. Use the DISPlay command to access the screen containing the

desired measurement.

2. Use the MEASure form of the syntax for that measurement to place

the measured value into the Test Set’s output buffer.

3. Enter the value into the correct variable type within the program

context (refer to the HP-IB Syntax Reference Guide for proper

variable type).

The following example measures the power of an RF signal.

Example 1-9 Example

!Display the RF Analyzer screen.

OUTPUT 714;"DISP RFAN"

!Measure the RF power and place result in output buffer.

OUTPUT 714;"MEAS:RFR:POW?"

!Enter the measured value into a numeric variable.

ENTER 714;Tx_power

The above example is very simple and is designed to demonstrate the

fundamental procedure for obtaining a measurement result. Many

other factors must be considered when designing a measurement

procedure, such as instrument settings, signal routing, settling time,

filtering, triggering and measurement speed.

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