Wavetek 132 Especificações descarregar pdf (Página 30)

Press

<ALT>

F10

until

channel

A

is

displayed.

Press

<return>

to

pause

the

display

to

measure

the

spectral

frequency(s).

Press

<return>

to

reacquire

the

display.

Repeat

for

channels

B

and

C.

Q:

What

are

the

measured

frequency

components

and

their

amplitudes

for

each

signal?

Press

F7

to

label

the

screen

and

then

<shift>

PRT

SC

to

print.

Provide

spectral

plots

for

each

signal.

Q:

How

do

these

measurements

compare

to

the

theoretical

FT's

computed

in

part

2?

b)

Turn

the

power

on

to

the

oscilloscope.

Remove

the

channel

A

connection

to

the

RAPIDS

DOP

and

connect

it

to

channel

1

on

the

oscilloscope.

Set

up

the

oscilloscope

as

follows:

Vertical

display:

Vertical

mode:

Ch

1

Chi

volts/div:

500

mv

Vertical

coupling:

50Q

DC

Chi

volts/div

variable:

fully

CW

Horizontal

display:

Mode:

auto

Time/div:

500us

Slope:

+

Source:

Vert

Chi

Sec/div

variable:

fully

CW

Coupling:

AC

To

measure

the

amplitude

of

the

signal

press

Av

and

position

the

cursors.

To

measure

the

period

of

the

signal

press

At

and

position

the

cursors.

To

measure

the

frequency

of

the

signal

simultaneously

press

At

and

Av

and

position

the

cursors.

Q:

What

are

the

measured

frequency,

period

and

amplitude

of

each

signal?

Q:

How

does

this

compare

Lab

1

Page

7

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