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參數(shù)資料
| 型號： | TA1310N |
| 元件分類： | 消費(fèi)家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP56 |
| 封裝： | 0.600 INCH, 1.78 MM PITCH, SHRINK, PLASTIC, DIP-56 |
| 文件頁數(shù)： | 45/101頁 |
| 文件大?。?/td> | 2221K |
| 代理商： | TA1310N |
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TA1310N
2001-06-25
48
(#16 VCC = 9 V, #37 VCC = 9 V, #51 VCC = 5 V, Ta = 25 ± 3°C)
SW MODE
NOTE
ITEM
SW45
SW46
MEASUREMENT METHOD
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.
C15
APC Frequency Control
Sensitivity
A
OFF
200
100
f
X
100
f
X
f
)
(
)
+
(
=
β
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).
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