參數(shù)資料
型號(hào)： μPC1678G
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(yè)數(shù)： 3/16頁(yè)
文件大?。?/td> 94K
代理商： ΜPC1678G
Data Sheet P11491EJ4V0DS00
3
μ
PC1678G
PIN EXPLANATION
Pin
No.
Pin Name
Applied
Voltage
(V)
Function and Applications
Internal Equivalent Circuit
1
INPUT
–
Signal input pin. A internal matching
circuit, configured with resisters, enables
50
connection over a wide band.
A multi-negative feedback circuit is
designed to cancel the deviations of h
FE
and resistance.
This pin must be coupled to signal source
with capacitor for DC cut.
2
3
4
6
7
GND
0
Ground pin. This pin should be
connected to system ground with
minimum inductance. Ground pattern on
the board should be formed as widely as
possible. All the ground pins must be
connected together with wide ground
pattern to decrease impedance
difference.
5
OUTPUT
Voltage
as same
as V
CC
through
external
inductor
Signal output pin. The inductor must be
attached between V
CC
and output pins to
supply current to the internal output
transistors.
8
V
CC
4.5 to 5.5
Power supply pin, which biases the
internal input transistors.
This pin should be externally equipped
with bypass capacitor to minimize its
impedance.
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.
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