RF POWER MODULES SATELLITE COMMUNICATIONS APPLICATIONS
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STM1645-10
RF POWER MODULES SATELLITE COMMUNICATIONS APPLICATIONS
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PRELIMINARY DATA
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Description
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STM1645-10
RF POWER MODULES SATELLITE COMMUNICATIONS APPLICATIONS
. . . . . .
PRELIMINARY DATA
SATELLITE COMMUNICATIONS AMPLIFIER 1625 - 1665 MHz 18/28 VOLTS INPUT/OUTPUT 50 OHMS P OU T = 10 W MIN. GAIN = 30 dB MIN.
CASE STYLE H150 ORDER CODE STM1645-10 BRANDING STM1645-10
PIN CONNECTION
DESCRIPTION The STM1645-10 module is designed for high power satellite communication applications in the 1.6 GHz frequency range operating at 28 Volts.
1. RF Input 3. VC2, 28V
2. VC1, 18V 4. RF Output
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C)
Symbol Parameter Value Un it
VC 1 VC 2 P IN P OUT T ST G TC
DC Supply Voltage DC Supply Voltage RF Input Power RF Output Power Storage Temperature Operating Case Temperature
20 32 20 16 − 40 to +100 − 35 to +70
Vdc Vdc mW W °C °C
April 4, 1996
1/5
STM1645-10
ELECTRICAL SPECIFICATIONS (Tcase = 25 ° C, VC1* = 18 V, VC2 = 28 V)
Symbo l Parameter Test Co nditio ns Value Min. Typ. Max. Un it
BW P IN GP η H Z IN —
Frequency Range Input Power Power Gain Efficiency Harmonics Input Impedance Load Mismatch POUT = 10 W POUT = 10 W POUT = 10 W POUT = 10 W reference POUT = 10 W VSWR = 10:1 POUT = 10 W ZG, ZL = 50Ω V = 28 Vdc
1625 — 30 30 — —
— — — 35 − 45 1.5:1
1665 10.0 — — − 40 2.0:1
MHz dBm dB % dBc VSWR
No Degradation in Output Power
*Not e: V C1 = 18V R egulat ed ± 1%
D.C. TEST FIXTURE BYPASSING
C1 C2 C3 C4
: : : :
100pf Chip Capacitor 1000pf Chip Capacitor .01µf Chip Capacitor 10µf Chip Capacitor
2/5
STM1645-10
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