SGS Thomson Microelectronics STM1645-10 Datasheet
SATELLITE COMMUNI CATI ONS APPLI CATION S
.SA TE L LITE COMMUNICAT I ONS
AMPLIFIER
.1625 - 1665 MHz
.18/28 VOLTS
.INPUT/OUTPUT 50 OHMS
.P
= 10 W MIN.
OUT
.GAIN = 30 dB MIN.
STM1645-10
RF POWER MODULES
PRELIMINARY DATA
CASE STYLE H150
ORDERCOD E
STM1645-10
PI N C O NNECTION
BRANDING
STM1645-10
DESCRIP TION
The STM1645-10 module is des igned for high
power satellite communication applications in
the 1.6 GHz f requency r ange operating at 28
Volts.
ABSOLUTE MAXI MUM RATI NGS (T
Symbol Parameter Value Unit
P
T
V
V
P
OUT
STG
T
C1
C2
IN
C
DC Supp ly Voltage 20 Vdc
DC Supp ly Voltage 32 Vdc
RF Input Power 20 mW
RF Out put Po we r 16 W
Storage Temperature
Operating Case Temperature
case
=
25°C)
1. RF Input 2. VC1, 18V
3. V
, 28V 4. RF Output
C2
− 40 to +100
− 35 t o +70
°
C
°
C
April 4, 1996
1/5
STM 1645-10
ELECTRICAL SPECIFICATIONS (T
Symbol Parameter Test Conditions
case
=25°C, V
=18V,VC2=28V)
C1*
Value
Min. Typ. Max.
BW Frequency Range 1625 — 1665 MHz
— — 10.0 dBm
30 — — dB
30 35 — %
—
−45 −40
No Degradation in Outp ut
Power
G
IN
P
η
Input Power
Power Gain
Efficiency
P
H Harmonics
Z
Input Impedance
IN
— Load Mismatch
*Note: VC1= 18V Regulat ed ± 1%
P
P
P
P
P
10 W
=
OUT
= 10 W
OUT
= 10 W
OUT
10 W reference
=
OUT
= 10 W ZG,ZL=50Ω — 1.5 :1 2.0: 1 VSWR
OUT
VSWR = 10:1 V = 28 Vdc
P
= 10 W
OUT
D.C. TEST FIXTURE BYPASSING
Unit
dBc
2/5
C1 : 100pf Chip Capacitor
C2 : 1000pf Chip Capacitor
C3 : .01µf Chip Capacitor
C4 : 10µf Chip Capacitor
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