Wavetek 132 Especificações descarregar pdf (Página 25)

The

end

of

the

chip

with

the

semicircular

mark

is

the

top.

The

pins

are

numbered

from

the

top

left.

See

Figure

1.

Section

of«

breadboard

Vertical

rows

Figure

1

b)

Figure

2

is

a

representation

of

a

summer

circuit.

This

circuit

adds

the

two

input

signals,

denoted

A

and

B,

and

multiplies

them

by

a

gain

of

two.

The

pins

numbers

on

the

op-amp

correspond

to

the

numbers

marked

in

Figure

1.

Connect

the

circuit

of

Figure

2,

disregarding

connections

to

A

and

B.

They

will

be

connected

later.

Use

three

horizontal

busses.

One

bus

will

be

for

ground,

one

for

+

15

volts

and

one

for

-15

volts.

Measure

the

power

before

it

is

connected

to

the

circuit!

The

±15

volts

and

ground

will

come

from

the

P5S03

power

supply.

To

measure

the

power,

connect

the

ground

and

the

positive

output

of

the

power

supply

to

the

DMM.

Adjust

the

power

until

it

reads

+15

volts.

Remove

the

positive

lead

from

the

power

supply

and

connect

it

to

the

negative

output

of

the

P5S03.

The

DMM

should

now

read

negative

volts.

Adjust

the

power

supply

for

-15

volts.

Lab

1

Page

2

15

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