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參數(shù)資料
| 型號： | μPC1678GV |
| 廠商： | NEC Corp. |
| 英文描述： | Wideband Si MMIC Amplifier(寬帶放大器) |
| 中文描述： | 寬帶硅單片放大器（寬帶放大器） |
| 文件頁數(shù)： | 3/16頁 |
| 文件大?。?/td> | 93K |
| 代理商： | ΜPC1678GV |
Data Sheet P11471EJ2V0DS00
3
μ
PC1678GV
PIN EXPLANATION
Applied
Voltage
(V)
Pin
Voltage
(V)
Note
Functions and application
Internal equivalent circuit
1
INPUT
1.17
Signal input pin. A internal matching
circuit, configured with resistors, enables
50
connection over a wide band.
A multi-feedback circuit is designed to
cancel the deviations of h
FE
and
resistance. This pin must be coupled to
signal sause with capacitor for DC cut.
5
OUTPUT
Voltage
as same
as V
CC
through
external
inductor
Signal output pin. This output is designed
as open collector of derlington transistors.
Connect an inductor between this pin and
V
CC
pin to supply current to the internal
output transistors.
The inductor should be selected as high
frequency use and small DC resistance.
8
V
CC
4.5 to 5.5
Power supply pin. This pin should be
externally equipped with bypass capacitor
to minimize ground impedance.
6
7
GND
0
Ground pins of internal input stage. Form
a ground pattern as wide as possible to
minimize ground impedance.
2
3
4
GND
0
Ground pins of internal output stage. All
the ground pins including pin 6 and pin 7
must be connected together with wide
ground pattern to decrease impedance
difference.
5
8
1
IN
6
GND
7
2
4
3
V
CC
OUT
GND
2, 3, 4, 6 and 7 are shorted by a lead frame.
Note
Pin voltage is measured at V
CC
=
V
out
= 5.0 V.
Pin
Name
Pin
NO.
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