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Número de pieza | RMPA1966 | |
Descripción | RMPA1966 I-Lo TM WCDMA Band II Power Amplifier Module | |
Fabricantes | Fairchild Semiconductor | |
Logotipo | ||
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PRELIMINARY
June 2006
RMPA1966 i-Lo™
WCDMA Band II Power Amplifier Module, 1850–1910 MHz
Features
■ 40% WCDMA efficiency at +28.5dBm Pout
■ 20% WCDMA efficiency (58mA total current) at
+16dBm Pout
■ Low quiescent current (Iccq): 18mA in low-power
mode
■ Meets UMTS/WCDMA performance requirements
■ Meets HSDPA performance requirements
■ Single positive-supply operation with low power and
shutdown modes
– 3.4V typical Vcc operation
– Low Vref (2.85V) compatible with advanced handset
chipsets
■ Compact Lead-free compliant LCC package –
(4.0 x 4.0 x 1.0mm nominal)
■ Industry standard pinout
■ Internally matched to 50Ω and DC blocked RF
input/output
General Description
The RMPA1966 Power Amplifier Module (PAM) is
Fairchild’s latest innovation in 50Ω matched, surface
mount modules targeting UMTS/WCDMA/HSDPA
applications. Answering the call for ultra-low DC power
consumption and extended battery life in portable
electronics, the RMPA1966 uses novel proprietary
circuitry to dramatically reduce amplifier current at low to
medium RF output power levels (< +16dBm), where the
handset most often operates. A simple two-state Vmode
control is all that is needed to reduce operating current
by more than 60% at 16dBm output power, and
quiescent current (Iccq) by as much as 70% compared
to traditional power-saving methods. No additional circuitry,
such as DC-to-DC converters, are required to achieve this
remarkable improvement in amplifier efficiency. Further,
the 4 x 4 x 1.0 mm LCC package is pin-compatible and a
drop-in replacement for last generation 4 x 4 mm PAMs
widely used today, minimizing the design time to apply
this performance-enhancing technology. The multi-stage
GaAs Microwave Monolithic Integrated Circuit (MMIC) is
manufactured using Fairchild RF’s InGaP Heterojunction
Bipolar Transistor (HBT) process.
Functional Block Diagram
(Top View)
Vcc1 1
RF IN 2
GND 3
Vmode 4
Vref 5
MMIC
INPUT
MATCH
BIAS/MODE SWITCH
10 Vcc2
OUTPUT
MATCH
9 GND
8 RF OUT
7 GND
6 GND
11 (paddle ground on package bottom)
©2005 Fairchild Semiconductor Corporation
RMPA1966 i-Lo™ Rev. B
1
www.fairchildsemi.com
1 page Package Outline
I/O 1 INDICATOR
1
(4.00mm
+.100
–.050
)
SQUARE
2
3
4
5
PRELIMINARY
TOP VIEW
10
9
8
7
6
1.1mm MAX.
.25mm TYP.
FRONT VIEW
3.50mm TYP.
See Detail A
.30mm TYP.
.85mm TYP.
2
11
1
1.08mm
1.84mm
BOTTOM VIEW
3.65mm
.18mm
Signal Descriptions
Pin #
1
2
3
4
5
6
7
8
9
10
11
Signal Name
Vcc1
RF In
GND
Vmode
Vref
GND
GND
RF Out
GND
Vcc2
GND
Description
Supply Voltage to Input Stage
RF Input Signal
Ground
High Power/Low Power Mode Control
Reference Voltage
Ground
Ground
RF Output Signal
Ground
Supply Voltage to Output Stage
Paddle Ground
.40mm
.10mm
.10mm
.40mm
.45mm
DETAIL A. TYP.
RMPA1966 i-Lo™ Rev. B
5
www.fairchildsemi.com
5 Page |
Páginas | Total 7 Páginas | |
PDF Descargar | [ Datasheet RMPA1966.PDF ] |
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