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Número de pieza

componentes Descripción

Fabricante

KB2514

VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS

Samsung 

KB2514

Preliminary

VIDEO AMP MERGED OSD PROCESSOR FOR MONITORS

TEST SIGNAL FORMAT

Signal

Name

S1

[V]

Video

Table 10. Test Signal Format

Input Signal Formal

Signal Description

Video gain measurement

Video = 1MHz/0.7Vpp

Sync = 50kHz

S2

[V]

S3

[V]

S4

[V]

S5

[V]

4uS

f = 200kHz

f = 200kHz

Sync

Duty = 50%

f = 50kHz

Duty = 50%

[t]

Video Tr/Tf measurement

0.7

Vpp

[t]

f = 200kHz

V = 0.7Vpp

Duty = 50%

HFLB (posi & nega.) input

t = 2uS

[t]

f = 50kHz

t = 2uS

V = 0V/5V

OSD level measurement

5V

0V

[t]

Blank Tr/Tf measurement

f = 50kHz

V = 0V/5V

Crosstalk test

Bandwidth measurement

Vi

1MHz/10MHz/50MHz/

Vref 130MHz

[t]

Vref = input clamp voltage

Vi = 0.7Vpp

• S1, S2 signal’s low level must be synchronized with the S3 signal’s sync. term.

• The input signal level uses the IC pin as reference.

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