LA72910V

PS No.A0783-10/10

Test Circuit

1

2

3

4

5

6

7

8

Emphasis filter

VCC(5V)

Main_OUT

Regulator

filter

VD_IN

/FM_IN

Mode control

(mod/de-mod)

Drop Delay

(TC1)

Drop Width

(TC2)

16

15

14

13

12

11

10

9

Video_IN

VD control/

De-emphasis out

A_GND

De-emphasis

filter

Emphasis Monitor

/FM-AGC filter

B_GND

FM-DOC_OUT

/2nd-Call_IN

Stand-by

control

T1

470

Ω

180pF

T3A

200

Ω

1k

Ω

SW3

10

μF

+

T3

T4

0.1

μF

A

B

+

1

μF

T5A

SW5

T4

T6

T7

T8

1000pF

0.01

μF

GND

T9

T10

T11

T12

T13

T14

T15

T16

1.8k

Ω

100pF

A

B

SW16

+

1

μF

10

μF

+

75

Ω

Video_IN

T16A

+

1

μF

A

B

SW12

15k

Ω

Pull

up

Power Supply

VCC=5V

Current measure point

ON Semiconductor and the ON logo are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC owns the rights to a number

of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of SCILLC’s product/patent coverage may be accessed at

www.onsemi.com/site/pdf/Patent-Marking.pdf. SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no

warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the

application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental

damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual

performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical

experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use

as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in

which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for

any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors

harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or

death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture ofthe

part. SCILLC is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.