AWT6134 데이터 시트보기 (PDF) - ANADIGICS
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AWT6134 Datasheet PDF : 12 Pages
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AWT6134
APPLICATION INFORMATION
To ensure proper performance, refer to all related
Application Notes on the ANADIGICS web site:
http://www.anadigics.com
Shutdown Mode
The power amplifier may be placed in a shutdown
mode by applying logic low levels (see Operating
Ranges table) to both the VREF and VMODE voltages.
Bias Modes
The power amplifier may be placed in either a Low
Bias mode or a High Bias mode by applying the
appropriate logic level (see Operating Ranges table)
to the VMODE voltage. The Bias Control table lists the
recommended modes of operation for various
applications.
APPLICATION
CDMA - low power
CDMA - high power
Shutdown
Table 6: Bias Control
POUT
LEVELS
BIAS
MODE
VREF
<+16dBm
Low +2.8 V
>+16 dBm
High +2.8 V
-
Shutdown 0 V
VMODE
+2.8 V
0V
0V
VCC1
RF IN
VMODE
VREF
C1
0.01µF
1 VCC
2 RFIN
3 GND
4 VMODE
5 VREF
C2
0.01µF
VCC 10
GND 9
RFOUT 8
GND 7
GND 6
GND
at slug
C3
0.01µF
Figure 3: Application Circuit Schematic
VCC2
C4
2.2µF ceramic
RF OUT
6
PRELIMINARY DATA SHEET - Rev 1.0
07/2003
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