Technical Note

BH76330FVM, BH76331FVM, BH76360FV, BH76361FV,

BH76332FVM, BH76333FVM, BH76362FV, BH76363FV

10/32

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2009.04 - Rev.A

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12. With clamp input type models (BH76330FVM and BH76332FVM), if the termination impedance of the video input pin

becomes higher, sync contractions or oscillation-related problems may occur. Evaluate temperature and other

●

Evaluation board pattern diagram and circuit diagram

Parts list

Symbol

Function

Recommended value

Comments

R1

R3

R5

Input terminating resistor

75



－

C1

C3

C5

Input coupling

capacitor

See pages 6/16 to 7/16 to determine

B characteristics recommended

R71

Output resistor

75



－

C7

Output coupling

capacitor

See pages 6/16 to 7/16 to determine

B characteristics recommended

C01

Decoupling capacitor

10 µF

B characteristics recommended

C02

0.1 µF

Fig. 19. Evaluation Board Circuit Diagram

Fig. 20. Evaluation Board Pattern Diagram

0

1

2

3

4

5

6

01k

2k

3k

入力終端抵抗Rin[Ω]

Fig. 18. Relation between Input Pin Termination Impedance and Amount of Sync Contraction

Input termination resistance Rin [Ω]