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参数资料
| 型号： | TA1270BFG |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封装： | 10 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-48 |
| 文件页数： | 20/39页 |
| 文件大小： | 1491K |
| 代理商： | TA1270BFG |
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TA1270BFG
2005-08-18
27
Switching block (Unless otherwise specified, SYNC / SW VCC = 9 V, DAC / C VCC = 5 V, preset bus data, Ta = 25°C ± 3°C)
TEST CONDITION
SUB ADDRESS & DATA
NOTE
CHARACTERISTIC
00
01
02
SW MODE
TEST METHOD
SW2
SW6
SW8
SW9
A
B
or
A
―
A
or
B
SW10
SW11
SW14
SW16
S1
Y Gain
(Through Mode)
80
B
A
―
(1) Input signal 2 to Yin2 input.
(f0 = 100 kHz, picture period amplitude = 0.2 Vp-p)
(2) Apply DC = 5 V to Ys input (Pin 32).
(3) Input signal 2 to Y1 input (Pin 29).
(4) Measure the output amplitude of Y / G output (Pin 20) and calculate the
gain from the input.
(5) Input signal 2 to Y2 input (Pin 25), set Ys input (Pin 32)
DC = 0 V, and repeat (3) and (4) above.
(Y1~Y / G ; GY1, Y2~Y / G ; GY2)
SW2
SW6
SW8
SW9
A
or
B
or
A
B
or
A
SW10
SW11
SW14
SW16
S2
Color Difference Gain
(Through Mode)
80
81
or
82
or
83
A
or
B
A
or
B
A
―
(1) Same as (1) and (2) for S1 above.
(2) Input signal 2 to B-Y1 input (Pin 30) and input +90° phase signal of signal
2 to R-Y1 input (Pin 30).
(3) Measure the amplitude of the B-Y / B output and the R-Y / R output and
calculate the gain from the input.
(4) Input signal 2 to B-Y2 input (Pin 26) and input +90° phase signal of signal
2 to the R-Y2 input (Pin 27).
(5) Set the Ys input pin DC = 0 V and repeat (4) above.
(B-Y1~B-Y / B ; GBY1, R-Y1~R-Y / R ; GRY1
B-Y2~B-Y / B ; GBY2, R-Y2~R-Y / R ; GRY2)
SW2
SW6
SW8
SW9
A
B
or
A
―
A
or
B
SW10
SW11
SW14
SW16
S3
Y Gain
(Matrix Mode)
80
81
or
82
or
83
B
A
―
(1) Same as (1) and (2) for S1 above.
(2) Change the sub address (06) data to PAL (81h), NTSC1 (82h), and
NTSC2 (83h), perform the following.
(3) Input signal 2 to Y1 input (Pin 29), measure the amplitude of Y / G output,
B-Y / B output, R-Y / R output, and calculate the gain from the input.
(Y1~Y / G : PAL ; GY1GP, NTSC1 ; GY1GN1, NTSC2 ; GY1GN2
Y1~B-Y / B : PAL ; GY1BP, NTSC1 ; GY1BN1, NTSC2 ; GY1BN2
Y1~R-Y / B : PAL ; GY1RP, NTSC1 ; GY1RN1, NTSC2 ; GY1RN2)
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PDF描述 |
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| TA1270BF | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
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| TA1273F | VIDEO PREAMPLIFIER, PDSO36 |
| TA1275BFNG | COLOR SIGNAL DECODER, PDSO24 |
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