Datasheet TCC598 Datasheet (SGS Thomson Microelectronics)

.860 MHz

.25 VOLTS

.COMMON EMITTER

.GOLD METALLIZATION

.CLASS A LIN EAR OPER AT IO N

. P

OUT

4.0 W MIN. WITH 7.0 dB GAIN

=

SD1448 (TCC598)

RF & MICROWAVE TRANSISTORS

UHF TV/L INEAR APPLICATIO NS

.280 4L ST UD (M122)

epoxy sealed

ORDER CODE

SD1448

PIN CONNECTION

BRANDING

TCC598

DESCRIPT I ON

The SD1448 is a silicon NPN bipolar device spe­cifically designed for high linearity applications in
the UHF frequency range including TV Bands IV
and V.

Gold metallization and emitter ballasting assure
high reliability under Class A linear amplifier oper­ation.

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 DA TA

R

TH(j-c)

Collector-Base Voltage 45 V
Collector-Emitter Voltage 25 V
Emitter-Base Voltage 4 V
Device Current 1.6 A
Power Dissipation 31.8 W
Junction Temperature +200
Storage Temperature

Junction-Case Thermal Resistance 5.5 °C/W

case

= 25°C)

1. Collector 3. Base

2. Emitter 4. Emitter

65 to +150

−

°

C

°

C

November 1992

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SD1448 (TCC598)

ELECTRICAL SPECIFICA TIONS (T

case

= 25°C)

STATIC

Symbol Test Conditions

BV
BV
BV

I

CBO
CEO

EBO

CBO

h

FE

IC= 10mA IE= 0mA 45 — — V
IC= 20mA IB= 0mA 25 — — V
IE= 2.5mA IC= 0mA 3.0 — — V
VCB= 28V IE= 0mA — — 0.9 mA
VCE= 20V IC= 500mA 10 — — —

DYNAMIC

Symbol Test C ond itions

1

P

OUT

G

P

IMD

C

OB

Note 1: P
Note 2: P
Note 3: Levels relative to P

f = 860 MHz VCE= 25 V IC= 850 mA 4.0 — — W

2

f = 860 MHz VCE= 25 V IC= 850 mA 7.0 — — dB

3

P

3

= 4W VCE= 25 V IC= 850 mA — — −60 dBc

SYNC

f = 1 MHz VCB= 25 V — — 20 pF

0.8W

=

IN

4W

=

OUT

4W

=

SYNC

f

860.0 MH z −8dBc

=

1

f

863.5 MH z −16dBc

=

2

f

864.5 MH z −7dBc

=

3

Value

Min. Typ. Max.

Value

Min. Typ. Max.

Unit

Unit

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TYPICA L PERFO R MA NCE

POWER OU T PU T vs POWER IN PU T

SD1448 (TCC598)

INTERMODULATION DISTORTION vs

POWER OUTPUT

THERMAL RESISTANCE vs CASE

TEMPERATURE

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SD1448 (TCC598)

TEST CIRCUIT

C1 : 22mF, 63V Sprague
C2, C6,
C8, C15 : 4.7nF Chip LCC
C3, C7, C9,
C11, C16 : 100nF Chip LCC
C4, C10 : 4.7µF, 40V Sprague
C5, C15 : 4.7µF, 63V Sprague
C12, C17,
C18 : 470pF Chip LCC
C13, C25 : 47pF ATC 100B
C19 : 47pF ATC 100A
C20 : 0.5 - 4.5pF Adjustable Airtronic
C21, C24 : 0.8 - 5pFAdjustable Johanson
C22 : 10pF ATC 100A
C23 : 15pF ATC 100B

D1 : 1N 4001 or 1N 914
L1 : 50ΩTransmission Line, Length 18mm

L2 : 50ΩTransmission Line, Length 22mm
L3 : 16.4ΩTransmission Line, Length12mm
L’3 : 10.5ΩTransmission Line, Length3.5mm
L4 : 20ΩTransmission Line, Length 13mm
L5 : 50ΩTransmission Line, Length 2.5mm
L6 : 20ΩTransmission Line, Length 23mm

L7 : 4
L8 : 55
L9 : 7.5Ω Transmission Line, Length 8% λ at 860 MHz
L10 : 100Ω Transmission Line, Length 8% λ at 860 MHz
L11 : 20
L12 : 50ΩTransmission Line, Length 5mm
L13 : 50ΩTransmission Line, Length 12mm

P1 : 3.3kΩAdjustable

R1 : 2.2Ω, 3W SFERNICE
R2 : 100Ω, 1/2W
R3 : 51Ω, 1/2W
R4, R6 : 100Ω, 1/2W
R5, R7 : 56Ω,1W

T1 : BDX 54 B

S1 : 6 Turns, Wire Diameter 0.5mm on 2.5mm Internal
S2 : 10 to 12 Turns on R6, Wire Diameter 0.5mm
PC Board

Material : Er=2.5, .020” Thick

Transmission Line, Length8% λat 860 MHz

Ω

Transmission Line, Length 7.5% λ at 860 MHz

Ω

Transmission Line, Length 8% λat 860 MHz

Ω

Diameter

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TEST CIRC UIT L AYOUT

SD1448 (TCC598)

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SD1448 (TCC598)

PACKAGE MECHANICAL DATA

Ref.: Dwg. No.12-0122

Information furnished is believed to be accurate and reliable.However, SGS-THOMSON Microelectronicsassumes no responsability for the
consequences of useof such information nor forany infringement of patents orother rights of third parties which may results from its use. No
license isgranted byimplication or otherwiseunder any patentor patentrights of SGS-THOMSONMicroelectronics. Specificationsmentioned
in this publication aresubject to changewithout notice. This publicationsupersedesand replaces all information previously supplied.
SGS-THOMSON Microelectronicsproducts arenot authorizedforuse ascritical componentsinlife supportdevices orsystemswithoutexpress
written approvalof SGS-THOMSONMicroelectonics.

 1994 SGS-THOMSON Microelectronics- All RightsReserved

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Singapore - Spain - Sweden- Switzerland - Taiwan - Thailand - UnitedKingdom - U.S.A

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