STMICROELECTRONICS SD1899

SD1899
RF & MICROWAVE TRANSISTORS
SATELLITE COMMUNICATIONS APPLICATIONS
..
.
REFRACTORY/GOLD METAL LIZATION
EFFICIENCY - 50% TYPICAL
POUT = 30 W MIN. WITH 9.3 dB GAIN
.250 x .320 2LFL (M170)
epoxy sealed
ORDER CODE
SD1899
BRANDING
SD1899
PIN CONNECTION
DESCRIPTION
The SD1899 is a common base silicon NPN bipolar
device optimized for 1.6 GHz SATCOM applications.
SD1899 offers superior gain and collector efficiency, making it an ideal choice for Class C power
amplifiers used in portable as well as fixed SATCOM terminals.
1. Collector
3. Base
2. Emitter
ABSOLUTE MAXIMUM RATINGS (T case = 25°C)
Symbol
Parameter
Valu e
Unit
VCBO
Collector-Base Voltage
45
V
VCES
Collector-Emitter Voltage
45
V
VEBO
Emitter-Base Voltage
3.0
V
Device Current
3.5
A
Power Dissipation (+25°C)
64.8
W
TJ
Junction Temperature
+200
°C
TSTG
Storage Temperature
− 65 to +150
°C
2.7
°C/W
IC
PDISS
THERMAL DATA
RTH(j-c)
January 6, 1997
Junction-Case Thermal Resistance
1/5
SD1899
ELECTRICAL SPECIFICATIONS (T case = 25°C)
STATIC
Symbol
Value
Test Conditions
Unit
Min.
Typ.
Max.
BVCBO
IC = 8 mA
IE = 0 mA
45
—
—
V
BVCES
IC = 8 mA
VBE = 0 V
45
—
—
V
BVEBO
IE = 8 mA
IC = 0 mA
3.0
—
—
V
ICBO
VCB = 28 V
IE = 0 mA
—
—
2
mA
hFE
VCE = 5 V
IC = 1.6 A
15
—
150
—
DYNAMIC
Symbol
2/5
Value
Test Conditions
Unit
Min.
Typ.
Max.
POUT
f = 1650 MHz
VCC = 28 V
PIN = 3.5 W
30
32
—
W
ηc
f = 1650 MHz
VCC = 28 V
PIN = 3.5 W
45
50
—
%
PG
f = 1650 MHz
VCC = 28 V
9.3
—
—
dB
January 6, 1997
SD1899
TYPICAL PERFORMANCE
POWER INPUT vs POWER OUTPUT
POWER INPUT vs EFFICIENCY
POWER INPUT vs POWER OUTPUT
POWER INPUT vs EFFICIENCY
POWER INPUT vs POWER OUTPUT
POWER INPUT vs EFFICIENCY
January 6, 1997
3/5
SD1899
TEST CIRCUIT
C1 :
C2 :
C3 :
C4 :
4/5
.3 - 1.2 pf Johanson Capacitor
.4 - 2.5 pf Johanson Capacitor #27283
100 pf Chip Capacitor ATC 100 A101KCA 150
15,000 pf EMI filter Murata/Erie 9900-381-6604
L1, L2
:4 Turn Choke #28 AWG .080” I.D.
Board Material:
EPSILAM 10, Er = 10.2, .050” Thick,
1Oz. Copper, SMA Launcher CDI (2 pieces)
January 6, 1997
SD1899
PACKAGE MECHANICAL DATA
Ref.: Dwg. No.:12-0170
UDCS No. 1010996 rev. B
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsibility for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use.
No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications
mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously
supplied. SGS-THOMSON Microelectronics products are not authorized for use as criti cal components in life support devices or systems
without express written approval of SGS-THOMSON Microelectronics.
1997 SGS-THOMSON Microelectronics - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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January 6, 1997
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