SGS Thomson Microelectronics STM961-15B Datasheet
DIGITAL CELLULAR APPLICATIONS
■ LINEARPOWER AMPLIFIER
■ 915-960MHz
■ 26 VOLTS
■ INPUT/OUTPUT50 OHMS
■ POUT = 42 dBm CW or PEP
■ GAIN = 30 dB
DESCRIPTION
The STM961-15B module is designed for digital
cellular radio base station applications in the
915-960 MHz frequencyrangeoperatingat 26V.
The STM961-15B is designed to meet the low
distortion, high linearity requirements of modern
digital cellular base station equipment.
STM961-15B
RF POWER MODULE
CASE STYLE H110
ORDER CODE BRANDING
STM961-15B STM961-15B
PIN CONNECTION
1. RF Input 3.V
2. V
ABSOLUTE MAXIMUM RATINGS (T
Symb o l Parameter Value Unit
V
S1,VS2
V
P
P
T
June 1999
DC Supply Voltage 28 Vdc
DC Bias Volt age 28 Vdc
B
RF Input Power 14 dBm CW
IN
RF Output Power (V= 26V) 43 dBm CW
OUT
Sto rage Temperatur e - 30 to + 100
STG
case
=85oC)
26V 4. RF Output
S1,
, 26V
B
o
C
1/7
STM961-15B
ELECTRICAL SPECIFICATION (T
= -10oCto+85oC, VS1=26V,VB= 26 V to 27 V)
case
DYNAMIC
Symbol Parameter Test Conditions Min. Typ. Max. Unit
BW Fr equency Range 915 960 MHz
G
I
2F
3F
P
Power Gain P
P
h Efficiency P
VSWR
Quiescent Current PIN= 0 dBm 580 mA
Q
Harmonics P
O
Harmonics P
O
FGainFlatness P
Out put Power @ 1
1dB
= +42 dBm CW 28 30 dB
OUT
=+42dBmCW 32 35 %
OUT
P
=+42dBmCW ZS,ZL=50Ω 2:1 VS WR
OUT
= +42 dBm CW -30 dBc
OUT
= +42 dBm CW -50 dBc
OUT
= +42 dBm CW 1 dB
OUT
41 dBm
dB Com pression
Load Mism atch VSWR = 3:1 P
= +42 dBm C W No Degradation in Ou t pu t
OUT
Power
St abili ty P
= +10 dBm to +42 dBm
OUT
Load VSW R = 3:1 All phase angl es
All S purious O ut p ut s more
than 60db B elow Carri er
REF. 1017332I
MODULEDC AND TESTFIXTURE CONFIGURATION
2/7
REF. 1014532D
TYPICALPERFORMANCE
STM961-15B
PowerGainvs OutputPower
34
27.0 v
26.0 v
33
27.0 v
26.0 v
25.0 v
25.0 v
32
Tcase= +25 deg.C
27.0 v
31
POWER GAIN [dB]
26.0 v
25.0 v
30
f=960 MHz
29
10 20 30 34 36 38 40 42
Tcase= +85 deg.C
OUTPUT POWER [dBm]
Tcase= -10 deg.C
PowerGainvs Frequency& Temperature
34
33
32
Tc=-10 deg.C
Tc=+25 deg.C
PowerGain vs OutputPower
27.0 v
34.5
26.0 v
27.0 v
25.0 v
33.5
26.0 v
32.5
25.0 v
27.0 v
31.5
26.0 v
POWER GAIN [dB]
25.0 v
30.5
f=915 MHz
29.5
10 20 30 34 36 38 40 42
Tcase=+25 deg.C
OUTPUT POWER [dBm]
Tcase=-10 deg.C
Tcase=+85 deg.C
3rd Order IMD vs Output Power & Temperature
-25
-30
Tcase=-10 deg.C
-35
Tcase=+85 deg.C
31
POWER GAIN [dB]
30
Po=42 dBm CW
Vs=26.0 V
29
900 910 920 930 940 950 960 970 980
Tc=+85 deg.C
FREQUENCY [MHz]
3rd Order IMD vs OutputPower & Temperature
-26.5
-31.5
Tcase=-10 deg.C
-36.5
-41.5
3rd IMD [dBT]
-46.5
20 22 24 26 28 30 32 34 36 38 40 42
Tcase=+85 deg.C
Tcase=+25 deg.C
PEP [dBm]
Freq.=915 MHz
Vs=26.0 V
-40
3rd IMD [dBT]
-45
-50
20 22 24 26 28 30 32 34 36 38 40 42
Tcase=+25 deg.C
PEP [dBm]
Freq.=960 MHz
Vs=26.0 V
see note 1
5th Order IMD vs OutputPower & Temperature
-33
-38
-43
-48
3rd IMD [dBT]
-53
-58
20 22 24 26 28 30 32 34 36 38 40 42
see note 1see note 1
Tcase=-10 deg.C
Tcase=+25 deg.C
PEP [dBm]
Tcase=+85 deg.C
Freq.=960 MHz
Vs=26.0 V
3/7
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