MICROSEMI MS1578

140 COMMERCE DRIVE
MONTGOMERYVILLE, PA
18936-1013
PHONE: (215) 631-9840
FAX: (215) 631-9855
MS1578
RF & MICROWAVE TRANSISTORS
800-960MHz CELLULAR BASE STATION
Features
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GOLD METALLIZATION
DESIGNED FOR LINEAR OPERATION HIGH SATURATED
POWER CAPABILITY
POUT = 150 W PEP
INTERNAL INPUT/OUTPUT MATCHING
COMMON EMITTER CONFIGURATION
8.0dB GAIN @ 900 MHz
MAX IMD -28dBc @ 150 W PEP
5:1 VSWR CAPABILITY @ RATED CONDITIONS
3 dB OVERDRIVE CAPABILITY
DESCRIPTION:
THE MS1578 IS A GOLD METALLIZED, EPITAXIAL SILICON, NPN
PLANAR TRANSISTOR DESIGNED FOR HIGH LINEARITY CLASS AB
OPERATION. DIFFUSED EMITTER BALLAST RESISTORS PROVIDE
MAXIMUM RUGGEDNESS AND RELIABILITY FOR 900 MHz
CELLULAR BASE STATION APPLICATIONS.
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°°C)
Symbol
VCEO
VCBO
VEBO
IC
PDISS
TJ
T STG
Parameter
Collector-Emitter Voltage
Collector-Base Voltage
Emitter-Base Voltage
Device Current
Power Dissipation
Junction Temperature
Storage Temperature
Value
Unit
28
65
3.5
25
300
+200
- 65 to + 150
V
V
V
A
W
°C
°C
0.60
° C/W
Thermal Data
RTH(j-c)
MSC0890.PDF
Junction-Case Thermal Resistance
MS1578
ELECTRICAL SPECIFICATIONS (Tcase
(Tcase = 25°
25° C)
STATIC
Symbol
Test Conditions
Min.
Value
Typ.
Max.
Unit
60
35
28
3.5
--25
-----------
------10
120
V
V
V
mA
Min.
Value
Typ.
Max.
Unit
POUT = 150 W PEP ICQ = 2 x 200 mA
8.5
9.0
---
dB
VCC = 26 Vdc POUT = 150 W PEP ICQ = 2 x 200 mA
VCC = 26 Vdc POUT = 150 W PEP ICQ = 2 x 200 mA
VCC = 26 Vdc POUT = 150 W PEP ICQ = 2 x 200 mA
VSWR = 5:1 @ all phase angles
30
---
---32
---28
%
dBc
BVCBO
BVCER
BVCEO
BVEBO
IC = 50 mA
IC = 100 mA
IC = 100 mA
IE = 10 mA
VCE = 30 V
ICEO
hFE
VCE = 5 V
Tested per side
VBE = 0 V
RBE = 75 Ω
IB = 0 mA
IC = 0 mA
VBE = 0 V
IC = 6 A
DYNAMIC
Symbol
GP*
V C*
IMD
LOAD*
MISMATCH
Test Conditions
VCC = 26 Vdc
*Note: f1 = 900.0 MHz
f2 = 900.1 MHz
IMPEDANCE DATA
ZIN(Ω)
FREQ
ZCL(Ω)
800 MHz
4.25 + j12.25
5.75 - j4.25
860 MHz
4.75 + j10.25
5.00 - j3.00
900 MHz
7.75 + j10.25
4.25 - j2.90
960 MHz
8.50 + j 9.50
3.40 - j2.85
1000 MHz
8.50 + j13.25
2.75 - j3.15
POUT = 150W PEP
MSC0890.PDF 01-20-99
VCE=26V
MS1578
TYPICAL PERFORMANCE
MSC0890.PDF 01-20-99
MS1578
TEST CIRCUIT
MSC0890.PDF 01-20-99
MS1578
PACKAGE MECHANICAL DATA
MSC0890.PDF 01-20-99