BCR 400W H6327 Infineon Technologies, BCR 400W H6327 Datasheet - Page 6

• Manufacturer Part Number: BCR 400W H6327
• Description: IC ACTIVE BIAS CONTROLLER SOT343
• Manufacturer: Infineon Technologies

Specifications of BCR 400W H6327

• Function: Active Bias Controller
• Current - Output: 5mA
• Mounting Type: Surface Mount
• Package / Case: SC-70-4, SC-82-4, SOT-323-4, SOT-343
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Input: -
• Operating Temperature: -
• Accuracy: -
• Sensing Method: -

RF transistor controlled by BCR400
RF IN
BCR 400
1
2
RX/TX antenna switch, compatible to control logic
and working at wide battery voltage range
TX
C
contr.
1
3
4
+
RX
TX
V
S
R
C
RF-Transistor
ext.
C
Antenna
2
V
RF OUT
EHA07217
drop
BCR 400
1
2
6
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
4 /
4
3
R
ext
= 100 - 220
+
RX
V
S
EHA07218
> 2.7 V
BCR400W
2007-05-29