STMICROELECTRONICS SD1391

SD1391
RF & MICROWAVE TRANSISTORS
UHF BASE STATION APPLICATIONS
..
..
..
P RELIMINARY DATA
470 MHZ
24 VOLTS
EFFICIENCY 50% MIN.
POUT = 15 W WITH 11.0 dB MIN. GAIN
CLASS AB
COMMON EMITTER
.2 30 x .3 60 6LF L (M1 4 2)
BRANDING
SD1391
O R DE R CODE
SD1391
PIN CONNECTION
DESCRIPTION
The SD1391 is a gold metallized NPN planar transistor using diffused emitter ballast resistors for
reliability and ruggedness.
The SD1391 is specifically designed as a low
power, high gain driver and can be operated in
Class A, B or C.
1. Collector
2. Base
3. Emitter
ABSOLUTE MAXIMUM RATINGS (T case = 25° C)
Symbol
Parameter
Value
Un it
VCBO
Collector-Base Voltage
48
V
VCEO
Collector-Emitter Voltage
25
V
VEBO
Emitter-Base Voltage
3.5
V
Collector Current
2.5
A
Power Dissipation (+25°C)
29
W
IC
PDISS
TJ
Junction Temperature
+200
°C
TSTG
Storage Temperature
− 65 to +150
°C
6.0
°C/W
THERMAL DATA
RTH(j-c)
August 23, 1996
Junction-Case Thermal Resistance
1/5
SD1391
ELECTRICAL SPECIFICATIONS (T case = 25° C)
STATIC
S ym bo l
Va lu e
Te s t C o n ditio n s
Min.
Typ .
Ma x.
Un it
BVCBO
IC = 50 mA
IE = 0 mA
48
—
—
V
BVCEO
IC = 20 mA
IB = 0 mA
25
—
—
V
BVEBO
IE = 5 mA
IC = 0 mA
3.5
—
—
V
ICBO
VC B = 24 V
IE = 0 mA
—
—
1.0
mA
hFE
VC E = 10 V
IC = 0.1 A
10
—
100
—
DYNAMIC
S ym bo l
2/5
Va lu e
T e s t Co n d itio ns
Min.
T yp .
Ma x.
—
Un it
POUT
f = 470 MHz PIN = 6.3 W
VCC = 24V
ICQ = 50 mA
15
—
ηC
f = 470 MHz PIN = 6.3 W
VCC = 24V
ICQ = 50 mA
50
60
%
RTL
f = 470 MHz PIN = 6.3 W
VCC = 24V
ICQ = 50 mA
10
—
dB
COB
f = 1 MHz
—
—
VCB = 24 V
24
W
pF
SD1391
POWE R GAIN vs FREQUENCY
EFFICIENCY vs FREQUENCY
OUTPUT POW ER vs INPUT POWE R
INPUT RETURN LOS S vs FREQUENCY
3/5
SD1391
TEST CIRCUIT
C1
:
2200pf Chip Capacitor
C2
C3
:
:
22pf Chip Capacitor + 2-10pf Trim Capacitor
2 x 33pf + 2-22pf Trim Capacitor
C5
:
C6
:
C7,C8
8.2pf + 2-10pf Trim Capacitor
330pf Chip Capac itor
:1nF + 10nF + 100nF + 10mF
L1
L2
:
:
50 ohms microstrip line, L = 6mm
50 ohms microstrip line, L = 19mm
L3
L4
L5
:
:
:
50 ohms microstrip line, L = 25mm
50 ohms microstrip line, L = 14mm
50 ohms microstrip line, L = 20mm
L6
:
L7
:
L8,L9 :
50 ohms microstrip line, L = 7.5mm
50 ohms microstrip line, L = 8.5mm
5 Turns, ID = 33mm, 0.5mm Wire diameter
Board Material: Teflon H = 30mils, Er = 2.55
IMPEDANCE DATA
TYP ICAL INP UT
IMP E DANC E
ZIN
TYP ICAL C OLLEC TOR LOAD
IMP E DANCE
ZCL
4/5
FREQ.
ZIN(Ω)
Z CL(Ω)
420 MHz
4.0 + j 2.2
7.2 + j 1.0
450 MHz
5.4 + j 3.9
6.8 + j 3.0
470 MHz
4.9 + j 5.7
6.6 + j 4.3
SD1391
PACKAGE MECHANICAL DATA
Ref.: Dwg. No. 12-0142 rev. C
UDC S No. 1010968
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 critical components in life support devices or systems
without express written approval of SGS-THOMSON Microelectronics.
1996 SGS-THOMSON Microelectronics - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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