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CXA2050S Datasheet(PDF) 5 Page - Sony Corporation

Part No. CXA2050S
Description  Y/C/RGB/D for PAL/NTSC Color TVs
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Maker  SONY [Sony Corporation]
Homepage  http://www.sony.co.jp
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– 5 –
CXA2050S
SECAM decoder interface. This pin
serves as both a 4.43MHz output and as
a SECAM identification input/output pin.
7
SECAMREF
9
10
– (R-Y) OUT
– (B-Y) OUT
Color difference signal outputs. Go to
high impedance when the SECAM
system is detected.
Standard output levels for 75% CB:
B-Y: 0.665Vp-p
R-Y: 0.525Vp-p
5.7VDC when killer is ON.
11
YOUT
Luminance signal output.
Black level is 3.5VDC.
Standard output level for 100 IRE input:
1Vp-p
8
SGND1
GND for Y/C block.
250µA
6k
20p
7.2V
7
200µA
9
10
400µA
500
30k
11
12
SCPOUT
Sand castle pulse output. The 0 to 5V
BGP pulse, the phase of which is
controlled through the bus, is
superimposed with the 0 to 2V H and
VBLK pulse for output.
10k
1k
1k
12
13
YRET
Luminance signal input.
Clamped to 4.8V at the burst timing.
Standard input level for 100 IRE input:
1Vp-p
1.5k
70k
13
Pin
No.
Symbol
Equivalent circuit
Description




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