7

LT119A/LT319A

LM119/LM319

5kHz to 2MHz V

→F Converter

8

9

–

+

3

2

4

6

5

1

7

10

–

+

10k

5V

3.3k

20k

0V TO 10V

0.01µF

22pF

–5V

5V

10k

10k

2k

3k

470

Ω

470

Ω

50pF

POLYSTYRENE

2N2369

330

Ω

5V

5V

–5V

LT1004-1.2

1M

0.1µF

TTL OUT

5kHz TO 2MHz

ALL DIODES 1N4148

LT119/319 TA9

220

Ω

Information furnished by Linear Technology Corporation is believed to be accurate and reliable.

However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-

tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.

R2

4k

R4

3k

R5

3k

R8

2k

R11

13k

R12

13k

R17

3

Ω

R10

170

Ω

C1

18pF

R6

3k

R7

3k

R3

4k

R1

3.5k

Q4

Q6

Q7

Q8

Q9

Q5

Q21

Q11

Q12

Q13

Q10

Q15

Q17

GND

Q16

Q14

Q20

Q18

Q19

Q22

Q3

Q2

Q1

5.6V

5.6V

R25

600

Ω

R24

250

Ω

R23

4k

R22

60

Ω

R20

3.6k

R21

900

Ω

R18

1.9k

R9

18k

R19

250

Ω

R14

2k

R13

600

Ω

R15

300

R16

600

Ω

TO OTHER

SIDE

LT119A

OUTPUT

INPUTS

–

+