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PDF AWT6270 Data sheet ( Hoja de datos )
| Número de pieza | AWT6270 | |
| Descripción | Linear Power Amplifier Module | |
| Fabricantes | ANADIGICS | |
| Logotipo |  |
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FEATURES
• InGaP HBT Technology
• High Efficiency:
44% @ POUT = +27 dBm
21% @ POUT = +16 dBm
15% @ POUT = +7 dBm
• Low Quiescent Current: 16 mA
• Low Leakage Current in Shutdown Mode: <1 µA
• VREF = +2.85 V (+2.75 V min over temp)
• Optimized for a 50 Ω System
• Low Profile Miniature Surface Mount Package:
1.61 mm Max
APPLICATIONS
• Dual Band WCDMA Wireless Handsets
AWT6270
HELPTM 830-840 MHz WCDMA 3.4V/27dBm
Linear Power Amplifier Module
PRELIMINARY DATA SHEET - Rev 1.5
AWT6270
M7 Package
10 Pin 4 mm x 4 mm x 1.6 mm
Surface Mount Module
PRODUCT DESCRIPTION
The AWT6270 meets the increasing demands for
higher output power in UMTS handsets. The PAmodule
is optimized for VREF = +2.85 V, a requirement for
compatibility with the Qualcomm® 6250 chipset. The
device is manufactured on an advanced InGaP HBT
MMIC technology offering state-of-the-art reliability,
temperature stability, and ruggedness. Selectable
bias modes that optimize efficiency for different output
power levels, and a shutdown mode with low leakage
current, increase handset talk and standby time. The
self-contained 4 mm x 4 mm x 1.6 mm surface mount
package incorporates matching networks optimized
for output power, efficiency, and linearity in a 50 Ω
system.
GND at slug (pad)
VREF 1
10 GND
VMODE 2
Bias Control
9 GND
GND 3
8 RFOUT
RFIN 4
7 GND
VCC 5
6 VCC
Figure 1: Block Diagram
01/2005
1 page  
www.DataSheet4U.com
APPLICATION INFORMATION
AWT6270
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.
Three operating modes are recommended to
optimize current consumption. High Bias/High VCC
operating mode is for POUT levels > 16 dBm. At
~16dBm - 7 dBm, the PA should be “Mode Switched”
to Low Bias Mode. For POUT levels < ~7 dBm, the VCC
can be switched to 1.5 V (Low Bias Mode is also
used for this POUT range).
APPLICATION
CDMA - low power
CDMA - med power
CDMA - high power
Shutdown
Table 5: Bias Control
POUT
LEVELS
BIAS
MODE
VREF
VMODE
<+7 dBm
Low +2.85 V +2.85 V
7 < POUT < +16 dBm Low +2.85 V +2.85 V
>+16 dBm
High +2.85 V 0 V
-
Shutdown 0 V
0V
VCC
> +1.5
+3.4
+3.4
-
PRELIMINARY DATA SHEET - Rev 1.5
01/2005
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet AWT6270.PDF ] | |
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