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參數(shù)資料
| 型號： | 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 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 183K |
| 代理商： | U4935B-ADP |
U4935B
Preliminary Information
TELEFUNKEN Semiconductors
Rev. A1, 28-Jan-97
1 (16)
SECAM Decoder
Description
The U4935B is an SECAM decoder designed for use with
the PAL/NTSC TV baseband processor U4930B and the
baseband delay line U3665M.
The circuit includes a bell filter, a demodulator and an
identification circuit. A signal with stable reference fre-
quency for calibration and a three-level sandcastle pulse
for blanking and burst gating are required.
The IC is realized in a bipolar VLSI technology and
operates with +8 V supply voltage. Easy interfacing and
few external components support the design of a
multistandard TV.
Features
Fully integrated and auto-tuned filters
Minimum number of external components
Easy interfacing with the TV baseband processor and
the switched capacitor baseband delay line
Package
16-pin dual in-line plastic (DIP16)
Block Diagram
Bandgap
Bell
filter
ACC
AMP
2
PLL
12
13
Bell-filter
tuning
Ident
Interface
PLL
tuning
Pulse
gen.
De–
emphasis
B –Y
output
R –Y
output
SECAM
sw.
10
4
9
Band
gap
– (B–Y)
out
– (R–Y)
out
1
5
8
PLL
ref
15
SCP
in
6
GND
14
11
f
ref
/
ident
Killer
out
0.47
Black
adj. R
Black
adj. B
16
7
Bell
filter
ref
CVBS
in
Bell filter
out
0.1
PLL
auto2
PLL
auto1
3
0.1
22
V
S
= 8 V
96 11715
F
F
F
F
Figure 1. Block diagram
Ordering Information
Extended Type Number
U4935B-ADP
Package
DIP16
Remarks
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| U4943 | 制造商:APEM 功能描述:GREEN BUTTON |
| U4944 | 制造商:APEM 功能描述:GREY BUTTON |
| U4945 | 制造商:APEM 功能描述:YELLOW BUTTON |
| U4946 | 制造商:APEM 功能描述:RED BUTTON |
| U496 | 功能描述:開關配件 Switch Hardware RoHS:否 制造商:C&K Components 類型:Cap 用于:Pushbutton Switches 設計目的: |
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