参数资料
型号: TB1227CNG
元件分类: 消费家电
英文描述: SPECIALTY CONSUMER CIRCUIT, PDIP56
封装: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-56
文件页数: 78/94页
文件大小: 1291K
代理商: TB1227CNG
TB1227CNG
2004-05-24
8
PIN
No.
PIN NAME
FUNCTION
INTERFACE CIRCUIT
INPUT / OUTPUT
SIGNAL
35
36
R-Y Output
B-Y Output
Output terminal of demodulated R-Y
or B-Y signal. There is an LPF for
removing carrier built in this pin.
DC
1.9V
AC
B-Y : 650mVp-p
R-Y : 510mVp-p
(with input of PAL-75%
color bar signal)
37 Y Output
Output terminal of processed Y
signal. Standard output level :
0.7Vp-p
38 Fsc VDD
VDD terminal of DDS block. Insert a
decoupling capacitor between this
pin and pin 32 (Fsc GND) at the
shortest distance from both. If
decouping capacitor is inserted at a
distance from the pins, it may cause
spurious deterioration.
39 Black Stretch
To connect filter for controlling black
expansion gain of the black
expansion circuit. Black expansion
gain is determined by voltage of this
pin.
DC
1.6V
40 16.2MHz X’tal
To connect 16.2MHz crystal clock
for generating sub-carrier.
Lowest resonance frequency (f0) of
the crystal oscillation can be varied
by changing DC capacity. Adjust f0
of the oscillation frequency with the
board pattern.
DC
4.1V
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