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PDF BGC405 Data sheet ( Hoja de datos )
| Número de pieza | BGC405 | |
| Descripción | Self-Biased BFP405 | |
| Fabricantes | Infineon Technologies | |
| Logotipo |  |
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BGC405
Self-Biased BFP405
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!
7 65
8
34
12
VPW05982
Type
BGC405
Marking
40s
Ordering Code
(8-mm taped)
Q62702-G0091
Pin Configuration Package
(circuit Diagram)
see below
SCT598
Equivalent Circuit
Vcc
Active
Vc Bias
Circuit
Vb
Pin Connections, SCT598
Vr,5
Vr DataSheet4U.com RFout,6
RFout
GND,7
Q1 Vc, 8
4,Vcc
3, Vb
2, GND
1,RFin
RFin GND
Note: Top View
DataShee
Description
The BGC405 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, 06/00
1 page  
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Typical Application
BGC405
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
Rx = 82Ohm for Icc=7.2mA
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[Ω].
4) Place C2 as close to the device as possible.
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High Frequency Products
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Edition A13, 06/00
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet BGC405.PDF ] | |
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