STMICROELECTRONICS SD1680

SD1680
RF & MICROWAVE TRANSISTORS
800/900 MHz APPLICATIONS
..
..
.
..
.
..
915 - 960 MHz
24 VOLTS
CLASS AB PUSH PULL
INTERNAL INPUT MATCHING
DESIGNED FOR HIGH POWER LINEAR
OPERATION
HIGH SATURATED POWER CAPABILITY
GOLD METALLIZATION FOR HIGH
RELIABILITY
DIFFUSED EMITTER BALLAST
RESISTORS
COMMON EMITTER CONFIGURATION
P OUT = 100 W MIN. WITH 7.0 dB GAIN
2 x .437 x .450 2LFL (M175)
epoxy sealed
ORDER CODE
SD1680
BRANDING
SD1680
PIN CONNECTION
DESCRIPTION
The SD1680 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.
1. Collector
2. Base
3. Emitter
ABSOLUTE MAXIMUM RATINGS (T case = 25 ° C)
Symbol
Parameter
Value
Unit
VCBO
Collector-Base Voltage
60
V
VCEO
Collector-Emitter Voltage
30
V
VEBO
Emitter-Base Voltage
3.0
V
Device Current
25
A
Power Dissipation
310
W
TJ
Junction Temperature
+200
°C
T STG
Storage Temperature
− 55 to +150
°C
0.55
°C/W
IC
PDISS
THERMAL DATA
RTH(j-c)
November 1992
Junction-Case Thermal Resistance
1/7
SD1680
ELECTRICAL SPECIFICATIONS (T case = 25 ° C)
STATIC
Symbol
Value
Test Conditions
Min.
Typ.
Max.
Unit
BVCBO
IC = 100mA
IE = 0mA
60
—
—
V
BVCEO
IC = 100mA
IB = 0mA
30
—
—
V
BVEBO
IE = 50mA
IC = 0mA
3.0
—
—
V
ICES
VCE = 28V
IE = 0mA
—
—
10
mA
hFE
VCE = 5V
IC = 3A
15
—
70
—
Tested Per Side
DYNAMIC
Symbol
Value
Test Conditions
Min.
Typ.
Max.
POUT *
f = 900 MHz
VCE = 24 V
ICQ = 2 x 300 mA
120
—
—
W
G P*
f = 900 MHz
VCE = 24 V
ICQ = 2 x 300 mA
7.0
—
—
dB
IMD**
ηc
f = 900 MHz
VCE = 24 V
ICQ = 2 x 300 mA
—
−32
—
dBc
f = 900 MHz
VCE = 24 V
ICQ = 2 x 300 mA
45
—
—
%
f = 1 MHz
VCB = 28 V
—
—
100
pF
COB
Note:
* @ 1 dB Compressi on
** P OU T
=
100W PEP,
∆F=
400KHz (2 tones)
TYPICAL PERFORMANCE
POWER OUTPUT vs POWER INPUT
2/7
Unit
THERMAL RESISTANCE vs CASE
TEMPERATURE
SD1680
TYPICAL PERFORMANCE (cont’d)
COLLECTOR EFFICIENCY vs FREQUENCY
BROADBAND POWER GAIN vs
FREQUENCY
INTERMODULATION DISTORTION vs
POWER OUTPUT
3/7
SD1680
IMPEDANCE DATA
4/7
FREQ.
ZIN (Ω)*
ZCL (Ω)**
910 MHz
4.8 + j 0.95
5.0 + j 0.9
930 MHz
4.5 + j 0.0
4.6 + j 1.7
950 MHz
4.3 − j 1.0
4.2 + j 2.6
970 MHz
4.1 − j 1.9
* Base to Base
** Collector to Collector
POUT = 100W
VCC = 24V
Normalized to 50 Ohms
3.8 + j 3.4
SD1680
TEST CIRCUIT
B1, B2 : Coaxial Cable 25, 43mm
C1, C2 : 330pF, ATC 100B
C3
: .8 - 8.0pF Johanson Gigatrim
C4
: 2 x 3.6pF + 1.6pF ATC 100B
C5
: 3.3pF ATC 100B + .8 - 8.0pF
Johanson Gigatrim
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
C13
: .4 - 4pF Johanson Gigatrim
Substrate: Teflon Glass, Er = 2.55, 30Mils Thick
L1, L18
L2, L17
L3, L16
L4, L15
L5
L6
L7
L8
L9, L10
L11
L12
L13
L14
L19
L20
L21, L22
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
Printed Line 50Ω
Printed Line 26.7Ω 10mm
Printed Line 60Ω 10.5mm
Printed Line 50Ω 43mm
Printed Line 25Ω 13.5mm
Printed Line 21Ω 15mm
Printed Line 10.5Ω 12.5mm
Printed Line 8Ω 7.5mm
Printed Line 50Ω 10mm
Printed Line 9.5Ω 10.5mm
Printed Line 11Ω 14.5mm
Printed Line 15.5Ω 8.5mm
Printed Line 19Ω 3.5mm
2 Turns, #16 AWG
2 Turns, #16 AWG
12 Turns, #22 AWG
5/7
SD1680
BIAS VOLTAGE SOURCE
10nF + 100nF + 10µF
10nF
1µF
1.2nF + 27nF + 10µF
C15
C16
C17
C18
:
:
:
:
D1
D2
D3
: AAY 49, Ge Diode Thermally Connected with Q3 Heatsink
: 1N 4005, SI Diode Thermally Connected with Q3 Heatsink
: 1N 4005, SI Diode Thermally Connected with RF Transistors Flange
L8, L9 : Ferrite Choke
6/7
Q3
: BDX 63B
R7
R8
: 470Ω, 1/2W
: 100Ω, Trimpot
SD1680
PACKAGE MECHANICAL DATA
Ref.: Dwg. No.12-0175
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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