BCR400W Просмотр технического описания (PDF) - Infineon Technologies
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BCR400W Datasheet PDF : 9 Pages
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BCR400W
RF transistor controlled by BCR400
BCR 400
+V S
3
R ext. Vdrop
4
1
RF IN
ΙC
2
C1
C2
Be aware that BCR400 stabilized
bias current of transistors in an active
control loop
In order to avoid loop ascillation
(hunting),
time constants must be chosen
adequately, i.e. C1 >= 10 x C2
Ι contr.
RF OUT
RF-Transistor
EHA07217
RX/TX antenna switch, compatible to control logic
and working at wide battery voltage range
Antenna
λ/ 4
TX
RX
BCR 400
RX
TX
R ext = 100 Ω - 220 Ω
1
4
2
3
+VS > 2.7 V
EHA07218
6
2007-05-29
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