Wavetek 132 Spezifikationen PDF herunterladen (Seite 104)

a

probe

and

the

oscilloscope,

verify

the

amplitude,

frequency

and

period

of

each

input

wave.

The

commutator

clock

frequency

can

be

measured

at

pin

15

of

the

CD4029.

Q:

Measure

the

clock

frequency

and

period.

With

the

information

you

have

predict

what

the

TDM

signal

will

look

like.

The

output

can

be

seen

at

pin

3

of

the

CD4051.

Increase

the

oscilloscope

scale

and

ensure

that

each

signal

is

being

sampled

in

the

order

you

predicted.

Q:

Measure

the

period

of

one

sample

of

the

TDM

signal.

Explain

how

it

does/does

not

differ

from

your

prediction.

Q:

What

is

the

bandwidth

of

this

signal?

TT

I

11

I

I

I

K

u

a

4001

w

Cl

16

J

40»

1

■

—^-

r

C4

T

i—i-

U

»

4051

1

8

JLL

R5

-sAAA-

+10

V

K7

a

vn»

14

8

«038

1

7

2

!-<—I

Figure

2

Rj=

100Q,

R

2

=

2

2KQ,

R

3

=

R

4

=

330

KQ,

R5

=

68KQ,

R6

=

R

7

=

R

8

=

10KQ

C

t

=

0.0033

uf,

C

2

=

0.047

nf,

C

3

=

10

uf,

C

4

=

.1

uf

Lab

4

Page

5

94

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