RF & MICROWAVE TRANSISTORS
.860 - 900 MHz
.24 VOLTS
.CLASS AB PU SH PULL
. INTERNAL INPUT MATCHING
.D ESIGNED FOR HIGH POWER LINEAR
OPERATION
.HIGH SATURATED POWER CAPABILITY
.G OLD METALLIZATION FOR HIGH
RELIABILITY
.DIFFUSED EMITTER BALLAST
RESISTORS
. CO MMON EMITTER CONFIGURATION
.P
OUT
120 W MIN. WITH 6.0 dB GAIN
=
SD1660
800/900 MHz APPLICA TIONS
2 x .437 x .450 2L FL (M175)
epoxysealed
ORDER CODE
SD1660
PIN CONNECTION
BRANDING
SD1660
DESC RIPTION
The SD1660 is a gold metallized epitaxial silicon
NPN planar transistor using diffused emitter ballast
resistors for high linearity Class AB operation in
cellular base station applications.
ABSOLUTE MAXIMUM RATINGS (T
Symbol Parameter Value Uni t
V
CBO
V
CEO
V
EBO
I
C
P
DISS
T
J
T
STG
THERMA L DATA
R
TH(j-c)
Collector-Base Voltage 60 V
Collector-Emitter Voltage 30 V
Emitter-Base Voltage 3.0 V
Device Current 25 A
Power Dissipation 310 W
Junction Temperature +200
Storage Temperature
Junction-Case Thermal Resistance 0.55 °C/W
case
= 25°C)
1. Collector 3. Emitter
2. Base
55 to +150
−
°
C
°
C
November 1992
1/7
SD1660
ELECTRICAL SPECIFICATIO NS (T
case
= 25°C)
STATIC
Symbol Test Conditions
BV
CBO
BV
CEO
BV
EBO
I
CES
h
FE
TestedPer Side
IC= 100mA IE= 0mA 60 — — V
IC= 100mA IB= 0mA 30 — — V
IE= 50mA IC= 0mA 3.0 — — V
VCE= 28V IE= 0mA — — 10 mA
VCE= 5V IC= 3A 15 — 70 —
Min. Typ. Max.
Value
DYNAMIC
Symbol Test Cond iti ons
P
*f=900 MHz VCE= 24 V ICQ= 2 x 400mA 120 — — W
OUT
Value
Min. Typ. Max.
GP*f=900 MHz VCE= 24 V ICQ= 2 x 400mA 6.0 — — dB
IMD** f = 900 MHz VCE= 24 V ICQ= 2 x 400mA — −32 — dBc
η
cf=900 MHz VCE= 24 V ICQ= 2 x 400mA 50 — — %
C
OB
Note: * @ 1 dB Compression
f = 1 MHz VCB= 28 V — — 100 pF
** P
120W PEP,∆F=600KH z (2 t ones)
=
OUT
Unit
Unit
TYPICA L PERFOR MA NCE
POWER OUTPUT vs POWER INPUT
THERMAL RESISTANCE vs CASE
TEMPERATURE
2/7
TYPICA L PERFOR MA NCE ( co nt’ d)
SD1660
COLLECTOR EFFICIENCY vs FREQUENCY
INTERMODULATION DISTORTION vs
POWER OUTPUT
BROADBAND POWER GAIN vs
FREQUENCY
PHOTOMASTER OF TEST CIRCUIT
3/7
SD1660
TEST CIRCUIT
B1, B2 : Coaxial Cable 25.43mm
C1, C2 : 330pF, ATC 100B
C3 : .8 - 8.0pF Johanson Gigatrim
C4 : 4.7 + 3.9pF, ATC 100B
C5 : 3.9 + 1.7pF, ATC 100B+ .8 - 8.0pF
C6, C7 : 330pF, ATC 100B
C8 : 120pF ATC 100B
C9 : 1.5nF, ATC 100B
C10 : 10nF + 47µF, 63V
C11 : 1.5nF, ATC 100B + 10nF
C12 : 470pF + 1.5nF, ATC 100B + 100mF, 63V
Substrate: Teflon Glass, Er=2.55, 30Mils Thick
Johanson Gigatrim
L1, L18 : Printed Line 50
L2, L17 : Printed Line 26.7Ω 10mm
L3, L16 : Printed Line 60Ω10.5mm
L4, L15 : Printed Line 50Ω43mm
L5 : Printed Line 25Ω13.5mm
L6 : Printed Line 21Ω15mm
L7 : Printed Line 10.5Ω12.5mm
L8 : Printed Line 8Ω7.5mm
L9, L10 : Printed Line 50Ω10mm
L11 : Printed Line 9.5Ω10.5mm
L12 : Printed Line 11Ω 14.5mm
L13 : Printed Line 15.5Ω 8.5mm
L14 : Printed Line 19Ω3.5mm
L19 : 2 Turns, #16 AWG
L20 : 2 Turns, #16 AWG
L21, L22 : 12 Turns, #22 AWG
Ω
4/7
BIAS VOLTAGE SOURCE
C15 : 10nF + 100nF + 10µF
C16 : 10nF
C17 : 1µF
C18 : 1.2nF + 27nF + 10µF
SD1660
D1 : AAY 49, Ge Diode Thermally Connected with Q3 Heatsink
D2 : 1N 4005, SI Diode Thermally Connected with Q3 Heatsink
D3 : 1N 4005, SI Diode Thermally Connected with RF Transistors Flange
L8, L9 : Ferrite Choke
Q3 : BDX 63B
R7 : 470Ω, 1/2W
R8 : 100Ω, Trimpot
5/7
SD1660
PACKAGE MECHANICAL DATA
Ref.: Dwg. No.12-0175
6/7
SD1660
Information furnished is believed to be accurateand reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the
consequences of use of such information norfor any infringement of patents or other rights of third partieswhich may results from its use. No
license isgrantedby implication or otherwise underany patent orpatent rightsof SGS-THOMSON Microelectronics.Specificationsmentioned
in this publicationare subjectto change without notice. This publication supersedes andreplaces all informationpreviously supplied.
SGS-THOMSON Microelectronicsproductsare notauthorizedforuse ascritical componentsin lifesupportdevices or systemswithoutexpress
written approvalof SGS-THOMSON Microelectonics.
1994 SGS-THOMSON Microelectronics - All Rights Reserved
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SGS-THOMSON Microelectronics GROUPOF COMPANIES
7/7
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