NJW1301FK1 查看數據表（PDF） - Japan Radio Corporation

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NJW1301FK1

SIGNAL PROCESSOR FOR COLOR TFT FOR NTSC

Japan Radio Corporation  

NJW1301

sELECTRICAL CHARACTERICS

(Ta=25°C,VCC1=5V,VCC3=7V,VDD=5V,VEE1=-5V,TP2=TP5=TP27=TP40=2.5V,TP13=2.9V,TP15=3.1V,

TP34=3.0V,TP35=1V,TP26=TP42=5V,TP50=5V,TP58=4.7V,SW14=SW25=SW26=SW50=L)

PARAMETERS

SYMBOL

TEST CONDITIONS

MIN. TYP. MAX UNIT

SG10 applied to TP41,

SG6(3.579545MHz,typical

GA1

swing150mVpp)

-

0.0 2.0

ACC Characteristic

(NTSC)

applied to TP14,SG2 applied to

TP51.Define the each amplitude

dB

on TP46 at 0dB,+6dB,-25dB toward

GA2 SG6 as Vo1,Vo2 and Vo3.

GA1=20LOG(Vo2/Vo1)

GA2=20LOG(Vo3/Vo1)

-12.5 -7.5

-

SG10 applied to TP41,

Gc1

SG6(3.579545MHz,typical

swing150mVpp)

-70 -50 -40

Color Control Gain

Variable Range

applied to TP14,SG2 applied to

TP51.Define the each amplitude

on TP46 at TP15=0V,3.1V,5.0V as

Gc2

Vo1,Vo2 and Vo3.

0.7 2.0

dB

-

GC1=20LOG(Vo1/Vo2)

GC2=20LOG(Vo3/Vo2)

SG10 applied to TP41,

SG6(3.579545MHz,150mVpp)

fA1

applied to TP14,

- -2900 -700

variable the BURST frequency until

the voltage on TP11 drops below

APC Capture Range

2V. Work out the difference between

the frequency at that time and

Hz

3.579545MHz.

fA2

fA1=when approach BURST

+700 +1500 -

frequency from low frequency.

fA2= when approach BURST

frequency from high frequency

SG3(350mVpp,3.579545MHz)

applied to TP19,SG2 applied to

Composite→Y/C

input switching voltage

VTHCY

TP51,SG10 applied to TP41,

SW14=H. Increase TP14(B) ,

change from composite to Y/C.

1.3 1.6 1.9 V

Then measure the voltage on

TP14(B).

SG3(350mVpp,3.579545MHz)

applied to TP19,SG2 applied to

Y/C→Composite

input switching volyage

VTHYC

TP51,SG10 applied to TP41,

SW14=H. Decrease TP14(B),

change from Y/C to composite.

0.7 1.0 1.3 V

Then measure the voltage on

TP14(B).

Ver.02

-5-

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