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AWT6111 PDF Datasheet - ANADIGICS

Part Number AWT6111
Description CDMA/AMPS Power Amplifier
Manufacturers ANADIGICS 
Logo ANADIGICS Logo 
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AWT6111 datasheet, circuit
AWT6111
CDMA/AMPS Power Amplifier
Application Note - Rev 0
General Description
The AWT6111 is a hetero-junction bipolar transistor
(HBT) amplifier designed for the CDMA cellular
handset. The frequency band of operation is
824-849 MHz. The AWT6111 is designed to operate
from a single lithium-ion (Li-ion) battery. The amplifier
input and output are matched to provide optimum
performance in a 50 system. Minimal external
components are required for proper RF bypassing.
The tantalum capacitors, C8 and C9, are not required.
Landings should be made available on the printed
circuit board (PCB) as a precaution.
Table 1: AWT6111 Module Pin Description
PIN NAME DESCRIPTION
NOTES
1 VCC1 Bias supply to 1st stage collector 3.0 - 4.2 V
2
RFIN
RF Input
Use 50 transmission line
3
VREF Reference supply to base bias
2.75 - 3.1 V
4 VMODE Mode select
0 V for high power mode,
2.7 V for low power mode
5 VCC2 Bias supply to 2nd stage collector 3.0 - 4.2 V
6 RFOUT RF Output
Use 50 transmission line
7 GND Supply ground
DC ground
Figure 1: Application Schematic
04/2002
Free Datasheet http://www.datasheet4u.com/

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AWT6111 pdf, schematic
AWT6111
Application Board
The application board was designed with GETEK material and 0.014" thickness.
Figure 2: Evaluation Board Layout
Notes:
1. Copper trace width is 0.0257 ±0.001".
2. Relative dielectric constant is 4.37 at 1 GHz.
3. Dielectric thickness is 0.014 ±0.001".
Table 2: Parts List
DESCRIPTION VALUE
FUNCTION
C1
0.01 uF
Bypass
C2
0.01 uF
Bypass
C4
0.01 uF
Bypass
C8
22 uF, tant.
Bypass
C9
22 uF, tant.
Bypass
C3, C5, C6 & C7 not used.
Designations same as engineering fixture.
2 Application Note - Rev 0
04/2002
Free Datasheet http://www.datasheet4u.com/

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