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PDF BGC420 Data sheet ( Hoja de datos )
| Número de pieza | BGC420 | |
| Descripción | Self-Biased BFP420 | |
| Fabricantes | Infineon Technologies | |
| Logotipo |  |
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BGC420
Self-Biased BFP420
l SIEGET®25- Technology
l Small SCT598-Package
l Control Pin For Switching The Device Off
l Current Easy Adjustable By An External Resistor
l Voltage Independent Current (2V – 4.5V)
ESD: Electrostatic discharge sensitive device, observe
handling precautions!
Type
BGC420
Marking
42s
Ordering Code
(8-mm taped)
Q62702-G0092
7 65
8
34
12
VPW05982
Pin Configuration Package
(circuit Diagram)
see below
SCT598
Equivalent Circuit
Vcc
Active
Vc Bias
Circuit
Vb
Pin Connections, SCT598
Vr,5
DataSheet4U.com
RFout,6
Vr
RFout
GND,7
Q1 Vc, 8
4,Vcc
3, Vb
2, GND
1,RFin
RFin GND
Note: Top View
DataShee
Description
The BGC420 is a silicon self biased RF Transistor (Q1). It offers an adjustable collector current
nearly independent from device voltage in the range from 2.0V to 4.5V. Additionally a control pin
(Vc) for switching the device off is provided. The collector current can be adjusted by connecting a
resistor (Rx) between Vcc and Vr.
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Edition A13, 05/99
1 page  
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Typical Application
BGC420
et4U.com
D1
D2
R1 (47k)
R2 (500R)
Q2
R4 (2k7)
R3
10k
Vcc,4
C4,150pF C5,100nF
Rx
Vr,5 C3, 100pF
L1,100nH
RFout,6
Q1
Vc,8
off on
Vb,3
C2, 1nF
RFin,1 GND,7,2
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Figure 1. Typical Application and Internal Circuit
DataShee
Remarks:
1) To provide low frequency stability C2 should be 10 times C3.
2) Be aware that also coupling capacitors determine the switching times.
3) The collector current at Q1 can be estimated by Ic=0.6V / Rx[W].
4) Place C2 as close to the device as possible.
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Edition A13, 05/99
5 Page 
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Package
et4U.com
BGC420
Published by
Infineon Technologies AG i Gr.,
Bereichs Kommunikation
St.-Martin-Strasse 76,
D-81541 München
© Infineon Technologies AG 1999
All Rights Reserved.
Attention please!
The information herein is given to describe certain
components and shall not be considered as
warranted characteristics.
Terms of delivery and rights to technical change
reserved.
We hereby disclaim any and all warranties, including
but not limited to warranties of non-infringement,
regarding circuits, descriptions and charts stated
herein.
Infineon Technologies is an approved CECC
manufacturer.
Information
For further information on technology, delivery terms
and conditions and prices please contact your
DataSheet4U.conmearest Infineon Technologies Office in Germany or
our Infineon Technologies Representatives
worldwide (see address list).
Warnings
Due to technical requirements components may
contain dangerous substances. For information on
the types in question please contact your nearest
Infineon Technologies Office.
Infineon Technologies Components may only be
used in life-support devices or systems with the
express written approval of Infineon Technologies, if
a failure of such components can reasonably be
expected to cause the failure of that life-support
device or system, or to affect the safety or
effectiveness of that device or system. Life support
devices or systems are intended to be implanted in
the human body, or to support and/or maintain and
sustain and/or protect human life. If they fail, it is
reasonable to assume that the health of the user or
other persons may be endangered.
.
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Edition A13, 05/99
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet BGC420.PDF ] | |
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