®

MPY534

8

The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN

assumes no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject

to change without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not

authorize or warrant any BURR-BROWN product for use in life support devices and/or systems.

FIGURE 10. Percentage Computer.

MPY534

X

1

+V

S

X

2

Out

SF

Z

1

Y

1

Z

2

Y

2

–V

S

9k

Ω

1k

Ω

B Input

(Postive Only)

–15V

A Input

(±)

+15V

V

A – B

B

FIGURE 11. Bridge-Linearization Function.

MPY534

X

1

+V

S

X

2

Out

SF

Z

1

Y

1

Z

2

Y

2

–V

S

–15V

+15V

V

1 ± (E

Carrier Input

E

The SF pin or a Z-attenuator can be used to provide overall

signal amplification. Operation from a single supply is possible;

bias Y

Modulation

Input, ±E

M

X

2

FIGURE 9. Linear AM Modulator.

MPY534

X

1

+V

S

X

2

Out

SF

Z

1

Y

1

Z

2

Y

2

–V

S

Input, Y

±10V FS

–15V

+15V

V

= (10V)

Y'

1 + Y'

Where Y' =

Y

(10V)