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參數資料
| 型號： | TSDF72830YS |
| 廠商： | Vishay Intertechnology,Inc. |
| 英文描述： | Dual - MOSMIC- two AGC Amplifiers for TV-Tuner Prestage with Integrated Band Switch for One-Line Switching |
| 中文描述： | 雙- MOSMIC - 2 AGC放大器的電視調諧器波段開關前置集成為一個線開關 |
| 文件頁數： | 1/7頁 |
| 文件大小： | 253K |
| 代理商： | TSDF72830YS |
TSDF72830YS
Vishay Semiconductors
Document Number 85176
Rev. 1.1, 02-May-05
www.vishay.com
1
VY
CW
WN7
4
5
6
3
2
1
18981
Electrostatic sensitive device.
Observe precautions for handling
Dual - MOSMIC
- two AGC Amplifiers for TV-Tuner Prestage
with Integrated Band Switch for One-Line Switching
Comments
MOSMIC
-
MOS M
onolithic
I
ntegrated
C
ircuit
Description
The Dual-MOSMIC
TSDF72830YS, assembled in
the well-known SOT-363 plastic package, is a combi-
nation of two different MOSMIC
amplifiers with com-
mon Source and common Gate 2 leads and an
integrated switch. One of the MOSMIC stages is opti-
mized for use in VHF applications, especially regard-
ing cross modulation performance and noise figure at
lower VHF frequencies, whereas the other stage is
optimized for use in UHF applications regarding gain
and noise figure performance at higher frequencies of
UHF range. The integrated switch is operated by the
Gate 1 bias of the UHF amplifier on Pin 3. All of the
Gates are protected against excessive input voltage
surges by integrated antiserial diodes between them-
selves and Source.
Drain output pin of each stage
is opposite to corresponding Gate 1 input pin
what is called SOT-363L pin configuration with
Vishay.
Features
Two differently optimized amplifiers in a
single package. One of them has a fully
internal self-biasing network on chip and
the other has a partly integrated bias for
easy Gate 1 switch-off with PNP switching transis-
tors inside PLL -IC
Internal switch for saving lines on PCB layout as
well as external components
Integrated gate protection diodes
Low noise figure, high gain
Typical forward transadmittance of 31 mS
resp. 28 mS
Superior cross modulation at gain reduction
High AGC-range with soft slope
Main AGC control range from 3 V to 0.5 V
Lead (Pb)-free component
Component in accordance to RoHS 2002/95/EC
and WEEE 2002/96/EC
Applications
Low noise gain controlled VHF and UHF input stages
with 5 V supply voltage, such as in digital and analog
TV tuners and in other multimedia and communica-
tions equipment.
Typical Application
Mechanical Data
Case:
SOT-363L Plastic case
Weight:
approx. 6.0 mg
V - Vishay
Y - Year, is variable for digit from 0 to 9
(e.g. 3 = 2003, 4 = 2004)
CW - Calendar Week, is variable for
number from 01 to 52
Number of Calendar Week is always indicating
place of pin 1
Pinning:
1 = Gate 1 (VHF amplifier), 2 = Gate 2 (common)
3 = Gate 1 (UHF amplifier), 4 = Drain (UHF amplifier),
5 = Source (common), 6 = Drain (VHF amplifier)
AMP2
AMP1
G1
G1
3
1
AGC
V
GG
= 5 V: UHF AMP is on; VHF AMP is off
V
GG
= 0 V: UHF AMP is off; VHF AMP is on
(0 = shorted to Ground or open)
V
GG
UHF
in
VHF
in
C
C
D
4
G2 (common)
2
S (common)
5
C
RFC
UHF
out
+5 V
D
6
C
RFC
18982
+5 V
C
RG1
VHF
out
e3
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