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PDF RMPA1959 Data sheet ( Hoja de datos )
| Número de pieza | RMPA1959 | |
| Descripción | PCS 3.4V CDMA & CDMA2000-1X PowerEdge Power Amplifier Module | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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September 2004
RMPA1959
PCS 3.4V CDMA & CDMA2000-1X PowerEdge™ Power Amplifier Module
General Description
The RMPA1959 power amplifier module (PAM) is designed
for CDMA and CDMA2000-1X personal communications
system (PCS) applications. The 2 stage PAM is internally
matched to 50Ω to minimize the use of external
components and features advanced DC power
management to reduce current consumption during peak
phone usage. High power-added efficiency and excellent
linearity are achieved using our InGaP Heterojunction
Bipolar Transistor (HBT) technology.
Features
• Single positive-supply operation and low power and
shutdown modes
• 39% CDMA efficiency at +28dBm average output power
• Compact LCC package- 4.0 x 4.0 x 1.5 mm with industry
standard pinout
• Internally matched to 50Ω and DC blocked RF input/
output.
• Meets CDMA2000-1XRTT performance requirements
Device
Absolute Ratings1
Symbol
Vcc1, Vcc2
Vref
Vmode
Pin
TSTG
Supply Voltages
Reference Voltage
Power Control Voltage
RF Input Power
Storage Temperature
Parameter
Min
0
2.6
0
–
-55
Note:
1: No permanent damage with only one parameter set at extreme limit. Other parameters set to typical values.
Max
5.0
3.5
3.5
+10
+150
Units
V
V
V
dBm
°C
©2004 Fairchild Semiconductor Corporation
RMPA1959 Rev. D
1 page  
Evaluation Board Schematic
SMA1
RF IN
3.3 µF
1000 pF
1000 pF
3.3 µF
Vcc1
Vmode
1000 pF
50 ohm
TRL
Vref
1 10
2
PA1959
4 PPYYWW
5 U31XX
0.1 µF
11
(package
base)
50 ohm
8 TRL
3,6,7,9
Vcc2
SMA2
RF OUT
Recommended Operating Conditions
Parameter
Symbol
Min
Typ
Max Units
Operating Frequency
f 1850
1910
MHz
Supply Voltage
Vcc1, Vcc2
3.0
3.4
4.2
V
Reference Voltage (operating)
Vref
2.7
2.85
3.1
(shutdown)
0
0.5
V
V
Bias Control Voltage (low-power)
Vmode
1.8
2.0
3.0
(high-power)
0
0.5
V
V
Linear Output Power (high-power)
(low-power)
Pout
+28 dBm
+16 dBm
Case Operating Temperature Tc -30
+85 °C
©2004 Fairchild Semiconductor Corporation
RMPA1959 Rev. D
5 Page 
TRADEMARKS
The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is
not intended to be an exhaustive list of all such trademarks.
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DISCLAIMER
FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TOANY
PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOTASSUMEANY LIABILITY
ARISING OUT OF THEAPPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT
CONVEYANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS.
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTENAPPROVAL OF FAIRCHILD SEMICONDUCTOR CORPORATION.
As used herein:
1. Life support devices or systems are devices or
2. A critical component is any component of a life
systems which, (a) are intended for surgical implant into
support device or system whose failure to perform can
the body, or (b) support or sustain life, or (c) whose
be reasonably expected to cause the failure of the life
failure to perform when properly used in accordance
support device or system, or to affect its safety or
with instructions for use provided in the labeling, can be
reasonably expected to result in significant injury to the
effectiveness.
user.
PRODUCT STATUS DEFINITIONS
Definition of Terms
Datasheet Identification
Product Status
Definition
Advance Information
Formative or
In Design
This datasheet contains the design specifications for
product development. Specifications may change in
any manner without notice.
Preliminary
First Production
This datasheet contains preliminary data, and
supplementary data will be published at a later date.
Fairchild Semiconductor reserves the right to make
changes at any time without notice in order to improve
design.
No Identification Needed
Full Production
This datasheet contains final specifications. Fairchild
Semiconductor reserves the right to make changes at
any time without notice in order to improve design.
Obsolete
Not In Production
This datasheet contains specifications on a product
that has been discontinued by Fairchild semiconductor.
The datasheet is printed for reference information only.
Rev. I13
11 Page | ||
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