BCR400 Infineon Technologies Corporation, BCR400 Datasheet

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BCR400

Manufacturer Part Number
BCR400
Description
Application Considerations For The Integrated Bias Control Circuits
Manufacturer
Infineon Technologies Corporation
Datasheet

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Application Considerations
for the Integrated Bias Control Circuits
BCR400R and BCR400W
Figure 1
Operating Point
• BCR400 stabilizes the operating current (i.e.
• The voltage drop of approximately 0.65 V on
• In case a lower
Application Note
depends on the supply voltage:
BCR400) is almost constant (
V
between pin 4 and collector (or drain) or in series to the supply voltage
providing an additional voltage drop.
DS
ratings), an additional resistor
RF Transistor Controlled by BCR400
V
CE
is really required (e.g. to prevent exceeding of maximum
R
ext
V
CE
= 0.65 V x
R
=
= (
V
S
V
1
- 0.65 V
S
-
I
V
I
C
C
CE
)
or
R
- 0.65 V) /
ext
I
D
), the collector (or drain) voltage
(i.e. between pins 3 and 4 of
Application Note No. 014
Silicon Discrete Components
I
C
can be inserted either
2000-07-27
V
S
V
, thus
CE
or

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BCR400 Summary of contents

Page 1

... Application Considerations for the Integrated Bias Control Circuits BCR400R and BCR400W Figure 1 RF Transistor Controlled by BCR400 Operating Point • BCR400 stabilizes the operating current (i.e. depends on the supply voltage: • The voltage drop of approximately 0. BCR400) is almost constant ( V • In case a lower is really required (e.g. to prevent exceeding of maximum ...

Page 2

... SPICE simulators. Thermal considerations The collector or drain current of a stabilized RF transistor does not directly affect BCR400 must only provide the base current (or gate bias current). Even as a stand- alone current source it is not possible to exceed V ...

Page 3

... Application Considerations for the Integrated Bias Control Circuits BCR400R and BCR400W Revision History: Previous Version: Page Subjects (major changes since last revision) Document’s layout has been changed: 2002-Aug. For questions on technology, delivery and prices please contact the Infineon Technologies Offices in Germany or the Infineon Technologies Companies and Representatives worldwide: see our webpage at http://www ...

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