RMPA1951-102
3V PCS CDMA Power
Amplifier Module
Description
ADVANCED INFORMATION
The RMPA1951-102 is a small-outline, power amplifier module (PAM) for CDMA Personal Communication System
(PCS) and Wireless Local Loop (WLL) applications.
Advanced DC power management provides an effective
means to reduce current consumption during peak phone usage at backed-off RF power levels.
Analog or digital
bias control enables the handset designer to optimize gain, linearity and power-added efficiency over a wide range
of output powers, depending on the power-density profile of the wireless network. High power-added efficiency and
excellent linearity are achieved using Raytheon鈥檚 Heterojunction Bipolar Transistor (HBT) process.
Features
K
K
K
K
K
Advanced DC power-management extends average phone-battery life!
Single positive-supply operation and power-down mode.
35% power-added efficiency at +29 dBm CDMA average output power.
Compact LCC package: 6.0 x 6.0 x 1.5 mm
3
.
50 ohm matched and DC blocked input/output.
Absolute
Maximum
Ratings
1
Parameter
Supply Voltage
Reference Voltage
RF Input Power
2
Load VSWR
Case Operating Temperature
Storage Temperature
Symbol
Vcc
Vref
P
in
V
SWR
T
c
T
stg
Min
1.5
Typical
3.5
2.7
+1
1.2:1
+25
+25
Max
6
4.0
+7
10:1
+110
+150
Units
V
V
dBm
擄C
擄C
-40
-55
Electrical
Characteristics
3
Parameter
Operating Frequency
Gain
(Po=0 dBm)
(Po=28 dBm)
Linear Output Power
Power-Added Efficiency
(Po=16 dBm)
(Po=28 dBm)
(Po=29 dBm)
ACPR (Offset
鈮?/div>
1.25 MHz)
4
Noise Figure
Noise Power (Po
鈮?/div>
29 dBm)
Input VSWR (50鈩?
Output VSWR (50鈩?
Min
1850
20
25
29
5
28
31
Typ
Max
1910
Unit
MHz
dB
dB
dBm
Parameter
Stability (All spurious)
5
Harmonics (Po
鈮?/div>
29 dBm)
2fo, 3fo, 4fo
Quiescent Current
(Vref=2.7V)
(Vref=2.0V)
(Vref=1.7V)
Power Shutdown Current
6
Vcc
Vref
Iref
Case Operating
Temperature
Min
Typ
Max
-70
-30
Unit
dBc
dBc
mA
mA
mA
uA
V
V
mA
擄C
24
27
6.5
32
35
-49
5
2.0:1
3.5:1
%
%
%
-46
dBc
6
dB
-135 dBm/Hz
2.5:1
3.0
1.7
80
50
35
2
3.5
2.7
13
100
10
4.5
3.2
-30
+85
Notes:
1. No permanent damage with only one parameter set at extreme limit. Other parameters set to typical values.
2. Typical RF input power for CDMA Pout = +28 dBm.
3. All parameters met at Tc =+25擄C, Vcc =+3.5V, Vref=+2.7V, f=1880 MHz and load VSWR
鈮?/div>
1.2:1.
4. Po
鈮?/div>
28 dBm at Vcc=3.5V; CDMA Waveform measured using the ratio of average power within a
1.23 MHz channel to average power within a 30 kHz bandwidth at + 1.25 MHz offset.
5. Load VSWR
鈮?/div>
6:1, all phase angles.
6. No applied RF signal. Vcc=+3.5V nominal, Vref=+0.2V maximum.
Characteristic performance data and specifications are subject to change without notice.
www.raytheon.com/micro
Revised August 27, 2001
Page 1
Raytheon RF Components
362 Lowell Street
Andover, MA 01810
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