Wavetek 132 Especificações descarregar pdf (Página 120)

c)

Verify

that

channel

3

is

your

message

signal,

channel

2

is

the

FM

input

to

the

PLL

and

channel

2

is

the

output

signal.

Move

the

output

measurement

probe

to

pin

7.

This

is

the

demodulated

output

pin.

The

PLL

demodulates

with

a

90°

phase

shift

and

amplifies

the

signal

via

and

internal

amplifier.

Q:

Is

the

output

shifted?

What

is

the

amplitude?

Switch

the

message

signal

to

a

triangle

wave.

Q:

Is

the

output

shifted?

What

is

the

amplitude?

Vary

the

frequency

of

the

carrier.

Q:

What

happens

to

the

demodulated

output

when

the

frequency

exceeds

the

lock

range?

Lab

5

Page

5

110

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