Boonton 4500B Peak Power Meter Manual de usuario descargar pdf (Pagina 57)

Boonton 4500B RF Peak Power Analyzer

Getting Started

3-23

MENU ITEM EXERCISE

CHAN (continued)

Chan 1 > Exten Press the Chan 1 > Extensions > Averaging menu key. Use any of the data entry

> Averaging controls to select the number of samples to be averaged at each point of the waveform to produce

the waveform display. Restore the normal setting of 8 before continuing to the next step.

TIME Press the TIME function key and

perform the following exercises to

become familiar with the items in the

Time > menu (Figure 3-7):

Time > Timebase This selection will be highlighted. Use

the spin knob to step the timebase

through the range from 5 ns/Div to

1 s/Div. Observe the changes in the

display and note that for each selection,

the Time > Tr Dly reading remains

consistent with the limits set by the

resolution of the display and pre-trigger

memory.

For 10 s/Div to 60 min/Div, limits on

pre-trigger storage size may require

minimum trigger delay greater than zero

for the Middle and Right trigger positions.

Select the Left edge trigger position to

avoid this. See below.

Time > Position Press the Time > Position menu key to

shift the start of the waveform to the left

(L) edge, middle (M) or right (R) edge of

the display area.

Fig 3-7. Time > Menu

Note 

to observe the waveform immediately after 

beforbefore and after the trigger.

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Boonton 4500B Peak Power Meter Manual de usuario Pagina 57