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PDF SD4590 Data sheet ( Hoja de datos )
| Número de pieza | SD4590 | |
| Descripción | RF POWER TRANSISTORS 800-960 MHz CELLULAR BASE STATION | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SD4590 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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® SD4590
RF POWER TRANSISTORS
800-960 MHz CELLULAR BASE STATION
ν GOLD METALLIZATION
ν DIFFUSED EMITTER BALLASTING
ν INTERNAL INPUT/OUTPUT MATCHING
ν COMMON EMITTER CONFIGURATION
ν DESIGNED FOR LINEAR OPERATION HIGH
SATURATED POWER CAPABILITY 26 VOLT,
900 MHz PERFORMANCE
ν POUT =150 W MIN.
GAIN = 8.5 dB MIN.
IMD3 = -28dB MAX. @ POUT = 150W PEP
ν INHERENT RUGGEDNESS:
LOAD MISMATCH TOLERANCE OF
5:1 MIN. VSWR
3 dB OVERDRIVE CAPABILITY
ν ESD SENSITIVITY, CLASS 3 (MIL STD-883D
METHOD 3015)
DESCRIPTION
The SD4590 is designed for both analog and
digital cellular base stations over the 800 to 960
MHz frequency range, specifically those systems
requiring the high linearity and efficiency afforded
by class AB operation. Integrated input/output
pre-matching simplifies amplifier design.
Ruggedness, MTTF, and linearity are enhanced
using diffused emitter resistors and
refractory/gold metallization.
ABSOLUTE MAXIMUM RATINGS (Tcase = 25 oC)
S ym b o l
V CBO
V CEO
V EBO
IC
P DISS
Tj
TSTG
Parameter
Collector-Base Voltage
Collector-Emitter Voltage
Emitter-Base Voltage
Device Current
Power Dissipation
Max. O perating Junction Temperature
Storage Temperature
THERMAL DATA
Rth (j-c) Junct ion-Case Thermal Resistance
M208
epoxy sealed
ORDER CODE
BRANDING
SD4590
SD4590
PIN CONNECTION
1. Collector
2. Emitter
3.Base
Value
65
28
3.5
25
300
200
-65 to 150
Uni t
V
V
V
A
W
oC
oC
0.60
oC/ W
March 2000
1/8
1 page  
TEST CIRCUIT SCHEMATIC
SD4590
TEST CIRCUIT COMPONENT PART LIST
PCB
εROGERS, r = 2.55, Height = 31.25 mil 1 oz. Cu.
Balun 1,2
50 Ω Coaxial Cable Lenght 2.2” attached to 2 x 50 Ω printed microstrip
transmission lines (see photomaster)
C1, C2, C23, C25 75pF Ceramic Chip ATC B
C3, C4, C21, C22 2 x 47pF Ceramic Chip, ATC B
C5, C16
0.8 - 8pF Variable, JOHANSON Giga - Trim
C6, C9
750pF Ceramic Chip, ATC B
C7, C10
39nF Ceramic Chip, ATCB
C8, C11, C24, C26 47µF, 50V Electrolytic
C13, C17
100µF, 50V Electrolytic
C12 9.1pF, Ceramic Chip, ATC A
C14, C18
39nF Ceramic Chip (OPTIONAL)
C15, C19
750pF Ceramic Chip (OPTIONAL)
C20 1.3pF Ceramic Chip, ATC B
L1, L4, L5, L8
12 Turns, #200 AWG, 0.15” I.D. (Tight)
L2, L3, L6, L7
4 Turns, #20AWG, 0.13” I.D. (1:1)
R1, R2, R3, R4 5 X 50 Ω Chip Resistor
5/8
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet SD4590.PDF ] | |
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