參數(shù)資料
型號(hào): U4935B-ADP
英文描述: MOSFET, N, TO-3PML; Transistor type:MOSFET; Current, Id cont:2A; Resistance, Rds on:10R; Case style:TO-3PML; Current, Idm pulse:4A; Power, Pd:50W; Transistor polarity:N; Voltage, Vds max:1500V RoHS Compliant: Yes
中文描述: SECAM制式解碼器
文件頁(yè)數(shù): 12/16頁(yè)
文件大?。?/td> 183K
代理商: U4935B-ADP
U4935B
TELEFUNKEN Semiconductors
Rev. A1, 28-Jan-97
Preliminary Information
12 (16)
Sandcastle Pulse
The required blanking burst and f
H/2
pulses are derived from a three-level sandcastle pulse.
(see figures 16 and 17)
3.85 V
2.0 V
1.25 V
125 s
Pin 15
SCP in
HBLK
F/F
(fH/2 pulse)
VBLK
SECAM sw
SECAM sw
96 11716
Pin 15 SCP detection level : BGP : 3.85 V
HBLK : 2.0 V
VBLK : 1.25 V
Figure 21. Timing chart of the internal pulses
Pin 15
SCP in
SECAM
BGP
0.2 s
4.5 s
95 11717
Figure 22. Timing chart of the internal SECAM burst gating pulse
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