參數(shù)資料
型號(hào): TDA9808T-T
廠商: NXP SEMICONDUCTORS
元件分類: 接收器
英文描述: AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO20
文件頁(yè)數(shù): 21/35頁(yè)
文件大?。?/td> 170K
代理商: TDA9808T-T
TA1317AN
2002-09-06
28
Test Condition
SW Mode
Note
No.
Parameter
SW5
SW6
SW7
SW8
SW10
SW11
SW17
SW24
Test Method
(unless otherwise specified, VCC = 9 V, Ta = 25 ± 3°C, data = preset values)
8
Vertical phase adjustment 2
(V centering) change amount
ON
A
OFF
B
ON
A
(1) Input vertical trigger pulse to pin VIN.
Pulse level (VT)
= 3.0 V
(2) Set VD (sub-address: 00) to DC-Coupling mode (data: 80).
(3) Set V INTEGRAL CORRECTION (sub-address: 08) to center (data: 88).
(4) Set V S CORRECTION (sub-address: 09) to center (data: A0).
(5) Set V CENTERING (sub-address: 05) to minimum (data: 00) and measure VDD (00)
as shown in the figure below.
(6) Set V CENTERING (sub-address: 05) to maximum (data: FE) and measure VDD
(FE) as shown in the figure below.
(7) Calculate change amount VDD using the following formula.
VDD = VDD (FE) VDD (00)
VDD (FE)
VDD (00)
10 ms
Pin 6
(V NF) waveform
10 ms
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