Wavetek 132 Spezifikationen PDF herunterladen (Seite 87)

Q:

What

is

the

frequency

representation

of

the

FM

sine

wave.

A:

*(/>

=

AT,J

n

m[b{f

-

f

c

-

n/J

+

6(f

+

f

c

+

n/J]

ß

=

1.692

J

0

(ß)

=

.4

Jj(ß)

=

.5

J

2

(ß)

=

.3

7

3

(ß)

=

.1

Q:

Measure

f

,

f

and

2Af.

What

is

the

frequency

deviation?

What

is

ß

and

the

bandwidth?

A:

f

=

(.75

xlO"

3

-

.615

xlO"

3

)"

1

=

7407

Hz

f

=

(1.36

xlO'

3

-

1265

xlO'

3

)"

1

=

10.526

-

lOKHz

2Af=3119

Hz

Af=1560Hz

ß

=

Af/f

m

=

1

.

5

6

Hz

B

=

2(1560)+

2000

=

5120

Hz

Lab

3

Solutions

Page

7

77

1 2 ... 82 83 84 85 86 87 88 89 90 91 92 ... 134 135

Kommentare zu diesen Handbüchern

Keine Kommentare