ICL8038

+12V

-12V

GND

+5V

100n

GND

GND

1000u

1000u

10u

10u

GND

100n

100n

10u

G

N

D

+12V

-12V

1u

+12V

100p

1n

10n

RANGE

100n

-12V

4K7

GEN

TL072P

TL072P

+12V

-12V

4

K

7

c

o

m

p

.d

u

ty

10K amplitude

1

0

K

o

ff

s

e

t

1

K

f

f

in

e

1

0

K

f

c

o

a

rs

e

4

K

7

d

u

ty

GND

1

K

5

+12V

-12V

5

6

K

1K5

1K5

LM393N

LM393N

S

Q

U

A

R

E

4

7

0

1u

GND

10u

GND

GND

F MET.

GND

GEN. OUT

GND

1K

1

N

4

1

4

8

GND

+5V GND

+5V

GND

1

K

+5V

2

K

2

100n 100n

100n

GND

G

N

D

10u

100n

-5V

+5V

-5V

4K7

100n

100n

+5V

-5V

+5V

100n

7912

7905

7812

7805

+5V

TRAFO 2x14V

U$1

SINEWAVE_ADJUST

1

SINEWAVE_OUTPUT

2

TRIANGLE_OUTPUT

3

DUTY_FREQ_ADJ1

4

DUTY_FREQ_ADJ2

5

V+

6

FM_BIAS

7

FM_SWEEP_INPUT

8

SQUAREWAVE_OUTPUT

9

TIMING_CAPACITOR

10

V-_OR_GND

11

SINEWAVE_ADJUST2

12

NC2

13

NC1

14

C1

B

1

C2

C3

C4

C5

C6

C7

C8

C9

C10

C11

C12

JP1

1

2

3

4

5

C13

R3

JP2

1
2
3
4

IC4A

2

3

1

IC4B

6

5

7

8

4

R

4

A

E

S

R5

1

A

1

S

1

E

R

6

1A

1S

1E

1A

1S

1E

R

7

1A

1S

1E

R

8

R

9

1A

1S

1E

R

1

0

R

1

1

R12

R13

IC5A

2

3

1

IC5B

6

5

7

8

4

J

P

3

1

2

R

1

4

C14

C15

JP4

1
2

JP5

1
2

R17

D

1

JP6

1
2

R

1

8

R

1

9

C16

C17

C19

C20

C21

X

1

-1

X

1

-2

X

1

-3

R15

C22

C23

C18

GND

OUT

IN

IC7

GND

OUT

IN

IC8

GND

IN

OUT

IC9

GND

IN

OUT

IC10

SINE
TRIA
SQUA

+

+

+

+

+

+