053-7101 Rev - 11-2002
MS1579
DESCRIPTION:
DESCRIPTION:DESCRIPTION:
DESCRIPTION:
The MS1579 is a gold metallized, epitaxial silicon NPN
transistor designed for Class A, UHF and Band IV, V
television transmitters applications. Diffused emitter
ballast resistors ensure long term reliability under Class
A linear operation.
ABSOLUTE MAXIMUM RATINGS
ABSOLUTE MAXIMUM RATINGS ABSOLUTE MAXIMUM RATINGS
ABSOLUTE MAXIMUM RATINGS (Tcase = 25
Tcase = 25Tcase = 25
Tcase = 25°
°°
°C)
C)C)
C)
S
y
mbol Paramete
r
V
alue Unit
VCBO Collector-Base Voltage 45 V
VCEO Collector-Emitter Voltage 25 V
VEBO Emitter-Base Voltage 4.0 V
PDISS Power Dissi
p
ation 65 W
IC Device Current 5.2 A
TJ Junction Temperature +200 °
°°
°C
TSTG Storage Temperature -65 to +150 °
°°
°C
Thermal Data
Thermal DataThermal Data
Thermal Data
RTH(J-C) Thermal Resistance Junction-case 2.5 °
°°
°C/W
Features
FeaturesFeatures
Features
• 470 - 860 MHz
• 25 VOLTS
• CLASS A OPERATION
• INTERNAL INPUT MATCHING
• POUT = 14 WATTS
• GP = 8.5 dB MINIMUM
• COMMON EMITTER CONFIGURATION
RF & MICROWAVE TRANSISTORS
TV LINEAR APPLICATIONS
053-7101 Rev - 11-2002
MS1579
ELECTRICAL SPECIFICATIONS (Tcase = 25
ELECTRICAL SPECIFICATIONS (Tcase = 25 ELECTRICAL SPECIFICATIONS (Tcase = 25
ELECTRICAL SPECIFICATIONS (Tcase = 25°
°°
°C)
C)C)
C)
STATIC
STATICSTATIC
STATIC
S
y
mbol Test Conditions
V
alue
Min. T
yp
. Max. Unit
BVCBO I
C = 20 mA IE = 0 mA 45 --- --- V
BVCEO I
C = 40 mA IB = 0 mA 25 --- --- V
BVEBO I
E = 5 mA IC = 0 mA 3.0 --- --- V
HFE VCE = 20 V IC = 0.5 A 10 --- 200 ---
DYNAMIC
DYNAMICDYNAMIC
DYNAMIC
S
y
mbol Test Conditions
V
alue
Min. T
yp
. Max. Unit
POUT f = 845 MHz PIN = 2.0 VCE = 25 V 14 --- --- W
GP P
OUT = 14 W PIN = 2.0 VCE = 25 V 8.5 --- --- dB
IMD3 P
OUT = 14 W PIN = 2.0 VCE = 25 V --- -47 --- dBc
COB f =1 MHz VCB = 25 V --- --- 20 pf
Conditions VCE = 25 V ICQ = 2 x 850 mA
053-7101 Rev - 11-2002
MS1579
TYPICAL PERFORMANCE
TYPICAL PERFORMANCETYPICAL PERFORMANCE
TYPICAL PERFORMANCE
053-7101 Rev - 11-2002
MS1579
TEST CIRCUIT
TEST CIRCUITTEST CIRCUIT
TEST CIRCUIT
053-7101 Rev - 11-2002
MS1579
PACKAGE MECHANICAL DATA
PACKAGE MECHANICAL DATAPACKAGE MECHANICAL DATA
PACKAGE MECHANICAL DATA
