HP EPM-442A Manual do Utilizador descarregar pdf (Página 47)

HP4402.book : chapter2.fm 9 Wed Apr 23 15:29:05 1997

Power Meter Operation

Making Measurements with the HP E-Series Power Sensors

HP EPM-442A User’s Guide 2-9

measurement of both channels, or a difference measurement

between both channels. Use the following key presses:

Press , . Select the appropriate softkey for

the measurement you require, either , , , , or ,

then , or .

11. The measurement result is now displayed.

Example

To make a measurement on channel A using an HP E-series power sensor.

The frequency of the signal to be measured is 100 MHz.

• Disconnect the power sensor from any source.

• Press .

• Connect the power sensor to the POWER REF output.

• Press , .

• Press , . Use the , , and

hardkeys to enter 100. Press .

• Connect the power sensor to the signal to be measured.

• The measurement result is now displayed.

Meas

Setup

Input Select

A B A/B B/A

A-B B-A

Zero

Cal

Zero A

Cal Cal A

Frequency

Cal Fac

A Freq

MHz

1 2 ... 42 43 44 45 46 47 48 49 50 51 52 ... 163 164

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HP EPM-442A Manual do Utilizador Página 47