njw1303 New Japan Radio Co.,Ltd, njw1303 Datasheet - Page 4

• Manufacturer Part Number: njw1303
• Description: Synchronous Separator With Count Down
• Manufacturer: New Japan Radio Co.,Ltd

NJW1303
TTEST CIRCUIT
APPLICATION NOTES
The ratio of the vertical synchronous pulse term and the vertical synchronous signal cycle
Please adjust following expression.
The vertical synchronous signal cycle / The vertical synchronous pulse term
The pulse width of horizontal synchronous signal shall be set 3.7 to 5.7 .s
Vertical Synchronous Pulse term
(VCC)
TPV
100uF
*2
330pF
360Ω
*1: CSBLA503KE5ZF10 at MURATA
*2: NTSC/PAL SW
910kΩ
1kΩ
1uF
Vertical Synchronous Signal cycle
NTSC : GND
PAL
68000pF
:Vcc,and 9 to10pin is 360 ohm, 10 to 11pin is 2 k ohm
6
4
5
7
2
3
1
SYNCIN
CSYNCOUT
VD
HD
DIGREF
SW
VCC
VCOFIL1
VCOFIL2
VCOOUT
GND
BGP
LPF
VS
Vertical Synchronous Pulse term
14
13
12
11
10
8
9
75 (see following figure)
1.8kΩ
390Ω
15000pF
3kΩ
1uF
*1
150pF
4.7uF
1000pF
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Ver.4