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参数资料
| 型号： | TA1201CNG |
| 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： | 17/46页 |
| 文件大小： | 795K |
| 代理商： | TA1201CNG |
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TA1201CNG
2004-05-24
24
TEST CONDITION (VCC = 9V, Ta = 25±3°C)
BUS MODE
NOTE
ITEM
(06)
(07)
(08)
(0A)
MEASUREMENT METHOD
14
RF AGC Control Range
(00)
(20)
Ad-
just
―
(1) Same as Note 3 (1)
(2) Set the data of sub-address (08) to (00). Decrease the IF input level. Measure
the IF input level, when the voltage of pin 3 become 4.5V. (VRFMIN)
(3) Set the data of sub-address (08) to (3F). Measure the IF input level, when the
voltage of pin 3 become 4.5V. (VRFMAX)
VRFAGC = VRFMINVRFMAX
15
AFT Center Voltage
↑
(20)
↑
(1) No IF input
(2) Apply 3.0V to pin 5.
(3) Measure the voltage at pin 44. (V4CENT)
16
AFT Voltage
↑
(1) Apply the signal (f = 44.75MHz, 30% AM Video, 31.6mVrms) to IF input.
(2) Measure the output signal level at pin 44. (V4MAX)
(3) Apply the signal (f = 46.75MHz, 30% AM Video, 31.6mVrms) to IF input.
(4) Measure the output signal level at pin 4. (V4MIN)
17
AFT Sensitivity
↑
(1) Same as Note 3 (1)
(2) Measure the voltage change at pin 44 when input frequency is changed. (f /
V)
18
AFT Output Resistance
↑
Measure the output impedance of pin 44.
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