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參數(shù)資料
| 型號： | TA1270BFG |
| 元件分類： | 消費家電 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP48 |
| 封裝： | 10 X 14 MM, 0.80 MM PITCH, PLASTIC, QFP-48 |
| 文件頁數(shù)： | 19/39頁 |
| 文件大小： | 1491K |
| 代理商： | TA1270BFG |
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TA1270BFG
2005-08-18
26
(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
SW MODE
NOTE
CHARACTERISTIC
00
01
02
03
05
SW1
―
TEST METHOD
C5
PAL Ident Sensitivity
80
or
81
80
A
―
(1) Input 4.43 PAL signal 1 rainbow signal (Burst : chroma = 1 : 1) to the
CHROMA input (Pin 6).
(2) While monitoring the READ BUS “COLOR“, perform the following with
BUS “P / N-ID“ data = 1 and 0.
(3) Increase the amplitude of the input signal from 0 mVp-p and measure the
amplitude at mode change to 4.43 PAL mode.
(Normal (1) ; vPCL, High (0) ; vPCH)
(4) Decrease the amplitude of the input signal from 100 mVp-p and measure
the amplitude at mode change to 4.43 PAL mode.
(Normal (1) ; vPBL, High (0) ; vPBH)
C6
TOF Characteristics
80
83
80
81
or
83
80
A
―
(1) Input fsc signal to the chroma input (Pin 6).(signal amplitude = 10 mVp-p,
f01 = 3.579545 MHz,f02 = 4.433619 MHz)
(2) Set sub address (01) data to (38h). With f01, set sub address (03) data to
(81h) ; with f01, to (83h). Insert a 1.5 k resistor between R-Y output (Pin
48) and VCC (5 V). Monitor R-Y output (Pin 48) and perform the following.
(3) Measure the output amplitude with f0 and calculate the gain from the
input.
(f01 ; GFC3, f02 ; GFC4)
(4) Measure the output amplitude with f0 ± 500 kHz and calculate the gain
from the input.
(f01 + 500 kHz ; GFH3, f01 500 kHz ; GFL3,
f02 + 500 kHz ; GFH4, f02 500 kHz ; GFL4)
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