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參數(shù)資料
| 型號(hào)： | U2305B |
| 英文描述： | VHF/ UHF-Tuner-IC |
| 中文描述： | 甚高頻/超高頻調(diào)諧器集成電路 |
| 文件頁數(shù)： | 5/8頁 |
| 文件大?。?/td> | 200K |
| 代理商： | U2305B |
U2305B
TELEFUNKEN Semiconductors
Rev. A1, 10-Sep-96
5 (8)
Preliminary Information
Test and Principle Application Circuit
Hybrids 0 / 180 degree
with 50 ohms Z(in)
and 100 ohms (2x50) Z(out)
I/P
Band C
UHF
Band B
VHFH
Band A
VHFL
180D
180D
I/P
I/P
10n
V(b)
IF : PC 38.9 MHz
SC 33.4 MHz
1n
1n
1n
1n
1n
1n
100p
100p
L.O.
L.O.
U2305B
1
25
5
9
21
13
17
The output–voltage of the
IF is calculated back to the
primary circuit of L5
IF–Out
O/P
1n
1n
15p
L5
L6
L6
L2
L3
2p2
2p7
1p0
1p0
1p0
1p0
68p
1p
2p
18
2p2
2p7
L1 8 Wdg. 3.0 mm 0
L2 3 2.5
L3 3 2.5
L4 3 2.5
Air Coils 0.6 mm
enamelled copper wire
TOKO–Coils
L6 t.b.d.
L5 t.b.d.
18k
BB620
82p
L1
1k
BB619
18k
18k
L4
BB515
8p2
100p
2k2
1n
18k
V(Band)
V(Diode)
10n
Figure 2.
Test and principle application circuit
PCB for the R
thJA
-Measurement
95 10719
Figure 3.
PCB for the R
thJA
-measurement
Material: 35
40 mm
m one-sided Cu-coated epoxy PCB,
40 mm
1.5 mm
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| U2305B-AFSG3 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:VHF/ UHF-Tuner-IC |
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| U2-308 | 制造商:OTTO Engineering Inc 功能描述:U2 FITTING/CONN |
| U2309B | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:VHF/ UHF-Tuner-IC |
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