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参数资料
| 型号： | TA1310ANG |
| 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： | 53/106页 |
| 文件大小： | 2686K |
| 代理商： | TA1310ANG |
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TA1310ANG
2005-09-20
50
(#16 VCC = 9 V, #37 VCC = 9 V, #51 VCC = 5 V, Ta = 25 ± 3°C)
SW MODE
NOTE
ITEM
SW45 SW46
MEASUREMENT METHOD
C15
APC
Frequency
Control
Sensitivity
A
OFF
1)
No signal input to the chroma input pin (TP45) (set SW45 to A).
2)
Set SW46 to open and connect an external power supply to the APC filter pin (#46).
3)
Change the voltage of external power supply to a value regarded as Vc3, where the output frequency of
the CW output pin (TP50) is 3.579545 MHz (Xf).
4)
Measure the CW output frequencies Xf (+100) and Xf (100) for Vc3 + Vc3 (±100 mV). Calculate the
free-run sensitivity βf from the following formula.
C16 APC Pull-In / Hold Range
B
ON
1)
Input a 3.579545-MHz sine wave (300 mVp-p) to the chroma input pin (TP45).
2)
Vary the input sine wave frequency in ±10-Hz steps from 3.579545 MHz. When the B-Y output pin (TP47)
picture period amplitude changes, measure the difference between 3.579545 MHz and the varied sine
wave frequencies : on the plus side, fh+, and on the minus side, fh (hold).
3)
Increase and decrease the above measured values by 1 kHz : (fh+) +1 kHz and (fh) 1 kHz. Adjust to
approximately 3.579545 MHz in ±10-Hz steps. When the B-Y output pin (TP47) picture period amplitude
changes, measure the difference from 3.579545 MHz : on the plus side, fp+, and on the minus side, fp
(pull-in).
C17 Residual Carrier Level
B
ON
1)
Input a rainbow signal (signal C-1) to the chroma input pin (TP45).
Burst : chroma = 300 mVp-p : 300 mVp-p
2)
Measure the color subcarrier leak levels vBNo and vRNo of the B-Y output pin (TP47) and the R-Y output
pin (TP48).
C18
Residual Higher Harmonic
Level
B
ON
1)
Input a rainbow signal (signal C-1) to the chroma input pin (TP45).
Burst : chroma = 300 mVp-p : 300 mVp-p
2)
Measure the higher harmonic levels vBHN and vRHN of the B-Y output pin (TP47) and the R-Y output pin
(TP48).
Note 1: Where the bus data are not specified, set the preset values.
Note 2: Ensure the sync signal is always input to TP38 (SYNC IN).
200
100
f
X
100
f
X
f
)
(
)
+
(
=
β
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