SD1487
RF & MICROWAVE TRANSISTORS H F SSB APPLICATIONS
. . . . . .
30 MHz 12.5 VOLTS IMD −30 dB COMMON EMITTER GOLD METALLIZATION P OUT = 100 W MIN. WITH 12.0 dB GAIN
.500 4LFL (M174) epoxy sealed ORDER CODE SD1487 BRANDING SD1487
PIN CONNECTION
DESCRIPTION The SD1487 is a 12.5 V Class C epitaxial silicon NPN planar transistor designed primarily for HF communications. This device utilizes state-of-theart diffused emitter ballasting to achieve extreme ruggedness under severe operating conditions. ABSOLUTE MAXIMUM RATINGS (T case = 25 ° C)
Symbol Parameter Value Unit
1. Collector 2. Emitter
3. Base 4. Emitter
VCBO VCEO VEBO IC PDISS TJ T STG
Collector-Base Voltage Collector-Emitter Voltage Emitter-Base Voltage Device Current Power Dissipation Junction Temperature Storage Temperature
36 18 4.0 20 290 +200 − 65 to +150
V V V A W °C °C
THERMAL DATA RTH(j-c)
November 1992
Junction-Case Thermal Resistance
0.6
°C/W
1/5
SD1487
E LECTRICAL SPECIFICATIONS (T case = 25 ° C) STATIC
Symbol Test Conditions Value Min. Typ. Max. Unit
BVCBO BVCES BVCEO BVEBO ICES hFE DYNAMIC
Symbol
IC = 100mA IC = 100mA IC = 100mA IE = 20mA VCE = 15V VCE = 5V
IE = 0mA VBE = 0V IB = 0mA IC = 0mA IE = 0mA IC = 5A
36 36 18 4.0 — 10
— — — — — —
— — — — 20 200
V V V V mA —
Test Conditions
Value Min. Typ. Max.
Unit
POUT GP IMD3* COB
*Note: f
f = 30 MHz f = 30 MHz f = 1 MHz
VCE = 12.5 V VCE = 12.5 V VCB = 12.5 V
ICQ = 150mA ICQ = 150mA ICQ = 150mA
100 11 — —
— 13 — 400
— — −30 —
W dB dBc pF
POUT = 100WPEP VCE = 12.5 V
3 0 + 30.001MHz
=
TYPICAL PERFORMANCE
POWER GAIN & COLLECTOR EFFICIENCY vs POWER INPUT
IMD vs POWER OUTPUT, PEP
2/5
SD1487
TYPICAL PERFORMANCE (cont’d)
POWER OUTPUT vs POWER INPUT
I MPEDANCE DATA FREQ. 30 MHz ZIN (Ω) Z CL (Ω) 0.57 + j 0.78 0.80 + j 0.43
POUT = 100 W PEP VCE = 12.5 V
3/5
SD1487
T EST CIRCUIT
C1 C2 C3 C4, C6 C7 C5, C8 C9 C10 L1 L2
: : : : : : : :
9 - 180pF Arco 463 5 - 380pF Arco 465 200pF Arco 465 170pF Arco 469 0.1µF Ceramic Disc 1000pF Unelco 10µF Electrolytic, 35Vdc 1000µF Electrolytic, 35Vdc
L3 L4 L5
: Copper Strap 1/4” Widht, Length 1 1/2, Height 1/2” : 4 Turns, #16 AWG, Enameled Wire 3/8” I.D. : 5 Turns, #18 AWG on 1/4” I.D. Coil Form Length 1/2”, Ferrite Slug
R1, R2, R3 : 1.5 Ohm, 1 Watt Carbon
: 2 1/2 Turns, #14 AWG, I.D. Loose Wound : 16 Turns, #16 AWG, Enameled Wire on Micrometals Torroid #T-94
4/5
SD1487
P ACKAGE MECHANICAL DATA Ref.: Dwg. No.12-0174
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 Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A
5/5
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