STMICROELECTRONICS SD1424

SD1424
RF & MICROWAVE TRANSISTORS
800-900 MHz BASE STATION APPLICATIONS
..
..
..
.
800 - 900 MHz
24 VOLTS
COMMON EMITTER
GOLD METALLIZATION
INTERNAL INPUT MATCHING
CLASS AB LINEAR OPERATION
P OUT = 30 W MIN. WITH 7.5 dB GAIN
.250 x .320 4LFL (M156)
epoxy sealed
ORDER CODE
SD1424
BRANDING
SD1424
PIN CONNECTION
DESCRIPTION
The SD1424 is a gold metallized epitaxial silicon
NPN planar transistor using diffused emitter ballast
resistors for high linearity Class AB operation in
cellular base station application.
1. Collector
2. Base
3. Emitter
ABSOLUTE MAXIMUM RATINGS (T case = 25 ° C)
Symbol
Parameter
Value
Unit
VCBO
Collector-Base Voltage
48
V
VCES
Collector-Emitter Voltage
45
V
VEBO
Emitter-Base Voltage
4.0
V
4
A
Power Dissipation
87.5
W
TJ
Junction Temperature
+200
°C
T STG
Storage Temperature
− 65 to +150
°C
2.0
°C/W
IC
PDISS
Device Current
THERMAL DATA
RTH(j-c)
Junction-Case Thermal Resistance
October 7, 1993
rev. 1 1/5
SD1424
ELECTRICAL SPECIFICATIONS (T case = 25 ° C)
STATIC
Symbol
Value
Test Conditions
Min.
Typ.
Max.
Unit
BVCBO
IC = 50mA
IE = 0mA
48
50
—
V
BVCEO
IC = 20mA
IB = 0mA
25
30
—
V
BVEBO
IE = 5mA
IC = 0mA
3.5
4.0
—
V
I CBO
VCB = 24V
IE = 0mA
—
—
1.0
mA
hFE
VCE = 10V
IC = 100mA
20
—
100
—
DYNAMIC
Symbol
Value
Test Conditions
Min.
Typ.
Max.
Unit
POUT
f = 960 MHz
PIN = 5.3 W
VCC = 24 V
30
—
—
W
GP
ηc
f = 960 MHz
POUT = 30 W
VCC = 24 V
7.5
—
—
dB
f = 960 MHz
POUT = 30 W
VCC = 24 V
45
50
—
%
COB
f = 1 MHz
VCB = 24 V
(each side)
—
20
24
pF
Note:
I CQ
=
150mA
TYPICAL PERFORMANCE
POWER OUTPUT vs POWER INPUT
2/5 rev. 1
SD1424
TEST CIRCUIT LAYOUT
rev. 1 3/5
SD1424
TEST CIRCUIT
C1, C2,
C3
:
C4, C5,
C6, C7 :
C8
:
C9
:
C10
:
C11
:
C12
:
4/5 rev. 1
D1, D2 : SD1423 Devices
0.8 - 8pF Variable Capacitors
62pF
22µF
180pF
47µF, 63V
180pF
10µF, 63V
L1, L2
L3
L4
L5
:
:
:
:
#22 AWG with Ferrite Core
4 Turns, #22 AWG
2 Turns, #22 AWG
5 Turns, #22 AWG
T1, T2 :
λ /4 Transformers
Material:
Epsilam 10, Er = 10.5, Height = .050”
SD1424
PACKAGE MECHANICAL DATA
Ref.: Dwg. No.12-0156
Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the
consequences of use of such information nor for any infringement of patents or other rights of third parties which may results 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 ascritical components in life support devices or systems without express
written approval of SGS-THOMSON Microelectonics.
 1994 SGS-THOMSON Microelectronics - All Rights Reserved
SGS-THOMSON Microelectronics GROUP OF COMPANIES
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rev. 1 5/5