.108 MHz
.28 VOLTS
.EFFICIENCY 75%
.COMMON EMITTER
.GOLD METALLIZATION
.P
OUT
150 W MIN. WITH 9.2 dB GAIN
=
SD1460
RF & MICROWAVE TRANSISTORS
FM BROADCAST APPLICAT IONS
.500 4LF L (M174)
epoxy sealed
ORDER CODE
SD1460
PIN CON NECTION
BRANDING
SD1460
DESC RIPTIO N
The SD1143 is a 28 V gold metallized epitaxial
silicon NPN planar transistor designed for VHF
FM broadcast transmitters. This device utilizes diffused emitter resistors to achieve infinite VSWR
at rated operating conditions.
ABSOLUTE MAXIMUM RATINGS (T
Symbol Parameter Value Uni t
V
CBO
V
CEO
V
CES
V
EBO
I
C
P
DISS
T
J
T
STG
THERMA L DA TA
R
TH(j-c)
Collector-Base Voltage 60 V
Collector-Emitter Voltage 25 V
Collector-Emitter Voltage 60 V
Emitter-Base Voltage 4.0 V
Device Current 16 A
Power Dissipation 230 W
Junction Temperature +200
Storage Temperature
Junction-Case Thermal Resistance 0.75 °C/W
case
= 25°C)
1. Collector 3. Base
2. Emitter 4. Emitter
65 to +150
−
°
C
°
C
November 1992
1/5
SD1460
ELECTRICAL SPECIF ICATIO NS (T
case
= 25°C)
STATIC
Symbol Test Conditions
BV
BV
BV
BV
h
CBO
CER
CEO
EBO
FE
IC= 100mA IE= 0mA 60 — — V
IC= 100mA RBE= 10Ω 55 — — V
IC= 100mA IB= 0mA 25 — — V
IE= 20mA IC= 0mA 4.0 — — V
VCE= 5V IC= 1A 20 — 150 —
Min. Typ. Max.
Value
DYNAMIC
Symbol Test Conditi ons
P
OUT
G
P
η
cf=108 MHz PIN= 18 W VCE= 28 V 70 — — %
C
OB
f = 108 MHz PIN= 18 W VCE= 28 V 150 — — W
f = 108 MHz PIN= 18 W VCE= 28 V 9.2 — — dB
f = 1 MHz VCB= 28 V — — 150 pF
Value
Min. Typ. Max.
Unit
Unit
TYPICA L PERFO R MA NCE
POWER OUTPUT vs POWER INPUT
SAFE OPERATING AREA
2/5
IMPEDA NCE DATA
SD1460
TYPICAL INPUT IMPEDANCE
TYPICAL COLLECTOR LOAD
IMPEDANCE
3/5
SD1460
TEST CIRCUIT
4/5
C1, C2,
C3, C9 : 24 - 200pF Variable, Arco 425
C4 : 470pF ATC 125 mil. Sq. Chip
C5 : 470pF Unelco, 400 mil. Sq.
C6 : 1000pF Unelco, 400 mil Sq.
C7 : 50 - 380pF Variable, Arco 465
C8 : 25 - 280pF Variable, Arco 464
C10 : .1µF 50V, Erie Disc
C11 : .01µF 50V, Erie Disc
C12 : 1000pF Unelco, 400 mil Sq.
C13 : 100µF 35V, Sprague Electrolytic
L1 : 3 Turns, #16 AWG, .225” I.D.
L2 : #14 AWG, Length .335”, Height .400”
L5 : 5 1/2 Turns, #16 AWG Enameled .270” I.D.
L6 : #14 AWG, Length .300”, Height .335”
L7 : 3 Turns, #16 AWG, Length .300”, Height .335”
RFC 1 : VK200 19/4B (1 winding) Ferroxcube Choke
RFC 2 : 6 Turns, #16 AWG Enamel on T50-2 Torroid
Board Material: 3-M-K-6098 1/16” Thick
PACKAGE MECHANICAL DATA
Ref.: Dwg. No.12-0174
SD1460
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 ofpatents or other rights of third partieswhich may results from its use. No
license isgranted byimplication orotherwise under any patentor patentrights ofSGS-THOMSON Microelectronics. Specificationsmentioned
in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied.
SGS-THOMSON Microelectronicsproductsare notauthorizedforuse ascritical componentsin lifesupport devices orsystemswithout express
written approvalof SGS-THOMSON Microelectonics.
1994 SGS-THOMSON Microelectronics- All Rights Reserved
Australia - Brazil - France- Germany - HongKong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands -
Singapore - Spain - Sweden- Switzerland - Taiwan -Thailand - United Kingdom - U.S.A
SGS-THOMSON Microelectronics GROUP OF COMPANIES
5/5
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