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參數(shù)資料
| 型號(hào)： | U4476B |
| 英文描述： | IF Amplifier / Converter for DVB (Cable) |
| 中文描述： | 中頻放大器/轉(zhuǎn)換器，用于DVB（電纜） |
| 文件頁數(shù)： | 4/7頁 |
| 文件大?。?/td> | 187K |
| 代理商： | U4476B |
U4476B
TELEFUNKEN Semiconductors
Rev. A2, 15-Jan-98
Preliminary Information
4 (7)
Electrical Characteristics
V
s
= 5 V, T
amb
= +25
°
C
take over point
IF input signal for maximum
point by temperature
(Pin 28 open)
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á
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ááááááááááááááááá
1
2
4
mA
áá
áá
á
á
áááá
áá
áá
áá
áá
áá
áá
áááááááá
áááááááá
IF AGC: G
= 46 dB
á
á
á
v
in
á
40
á
á
á
mV
á
á
T
= 55
°
C
á
v
á
á
2
á
3
á
dB
Notes:
1.
2.
This parameter is given as an application information and not tested during production.
Without external control voltage (pin not connected) the input 1 is automatically selected.
Basic Application Circuit
28
1
2
3
4
U4476B
5
6
7
8
9
10
11
12
13
14
27
26
25
24
23
22
21
20
19
18
17
16
15
8.2 pF
10 nF
22 F
50 k
10 nF
DVB
Ref
VCO
Frequency
10 k
2.2 F
IF 1
IF 2
AGC
Tuner AGC
take over
point
Tuner
AGC
current
2 nd IF
1
U4744B
2
3
4
8
7
6
5
50
10 nF
10 nF
IF
10 nF
2.2 F
+12 V
13900
V
S
VCO
Tuning
Input
Switch
SAW 1
SAW 2
2.2 F
*)
*)
U4744B:
SAW driver, device phased out, not for new development
Figure 3.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| U4476B-MFLG3 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:IF Amplifier / Converter for DVB (Cable) |
| U4477B | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TELEFUNK ELECTRONIC CREATIVE TECHNOLOGIEN U2200B-FP |
| U4479B | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:DVB-Cable IF Converter and Full Multi-Standard Video-/Sound IF Processing |
| U4479B-MFLG3 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:DVB-Cable IF Converter and Full Multi-Standard Video-/Sound IF Processing |
| U4488B | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Quasi-Split Sound Circuit and AM Demodulator |
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