NJW1300B 查看數據表（PDF） - Japan Radio Corporation

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NJW1300B

SIGNAL PROCESSOR FOR COLOR TFT

Japan Radio Corporation  

NJW1300B

s ELECTRICAL CHARACTERISTICS (Ta=25°C,Vcc1=5V,Vcc2=5V,Vcc3=7V,VDD=5V,VEE1=-5V,

V1=V4=V34=V45=2.5V,V21=V28=V60=0V,V13=2.9V,V14=2.7V,V38=1V,V39=3V)

PARAMETERS SYMBOL

TEST CONDITIONS

MIN. TYP. MAX UNIT

ACC

Characteristic

(PAL)

Color Control

Gain Variable

Range

APC Capture

Range

(NTSC)

V46=5V,V14=0V,SG6 (4.43MHz, 0dB,

GA3

+6dB, -25dB) applied to V9, SG2 applied

to V60.

-

0

2.0

dB

Measure the amplitude on V18 at 0dB,

+6dB, -25dB. Define the each value as A,

GA4

B, and C.

GA3 = 20log(B / A)

-12.5 -7.5

-

dB

GA4 = 20log(C / A)

V46=5V, SG6 applied to V9, SG2 applied

Gc1

to V60. Define the each chroma amplitude

-

-30.0 -20.0 dB

at V14=0V,2.9V and 5V as A, B and C.

Gc2

Gc1 = 20log(A / B)

Gc2 = 20log(C / B)

0.7

2.7

-

dB

SG6 (3.58MHz, 0dB) applied to V9,

V46=5V, SG2 applied to V60. Adjust the

fA1

BURST frequency until the voltage on V12

-

-2900 -700

Hz

is 2V. Work out difference between the

frequency at that time and 3.579545MHz.

fA1 = when approach BURST frequency

fA2

from low frequency.

fA2 = when approach BURST frequency

+700 +1500

-

Hz

from high frequency

APC Capture

Range

(PAL)

SG6 (4.43MHz, 0dB) applied to V9,

V46=5V, Variable the BURST frequency

fA3

until the voltage on V12 is 2V. Work out

-

-2500 -600

Hz

the difference between the frequency at

that time and 4.433619MHz.

fA3 = when approach BURST frequency

fA4

from low frequency

fA4 = when approach BURST frequency

+600 +1700

-

Hz

from high frequency

SG6 applied to V9, SG2 applied to V60.

θT1

Define the phase causing the maximum

amplitude at V14=1.8V on Gout as A.

-30

TINT Variable

Define the each phase causing the

Range

maximum amplitude at V14=2.7V, 3.6V

on Gout as B and C.

θT2

θT1 = A-B

-

θT2 = C-B

NTSC /PAL

Switching

VTHNP Switch voltage of V14.

0.4

Voltage

Color Killer

Operating Input

Level(NTSC)

VKIN1

SG2 applied V60, SG6 (NTSC) applied to

V9. Decrease the input amplitude until the

killer is turned on, and measure the input

attenuation.

-

Color Killer

Operating Input

Level (PAL)

VKIN2

SG2 applied V60, SG6 (PAL) applied to

V9. Decrease the input amplitude until the

killer is turned on, and measure the input

attenuation.

-

-60

-

deg

+60

+30

deg

0.7

1.0

V

-42

-37

dB

-38

-32

dB

Ver.5

-5-

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