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VTV1250

型号:

VTV1250

品牌:

ADPOW[ ADVANCED POWER TECHNOLOGY ]

页数:

3 页

PDF大小:

230 K

VTV1250  
125 Watts, 28Volts, Class AB  
VHF Television - Band III  
GENERAL DESCRIPTION  
CASE OUTLINE  
The VTV 1250 is a COMMON EMITTER transistor capable of providing 125  
Watts Peak, Class AB, RF Output Power over the band 175 - 225 MHz. The  
transistor includes double input and output prematching for full broadband  
capability. Gold Metalization and Diffused Ballasting are used to provide high  
reliability and supreme ruggedness.  
55JT, STYLE 2  
ABSOLUTE MAXIMUM RATINGS  
Maximum Power Dissipation @ 25oC  
250Watts  
Maximum Voltage and Current  
BVces  
Collector to Emitter Voltage  
65 Volts  
28 Volts  
4.0 Volts  
12 Amps  
BVceo Collector to Emitter Voltage  
BVebo Emitter to Base Voltage  
Ic  
Collector Current  
Maximum Temperatures  
Storage Temperature  
Operating Junction Temperature  
- 65 to + 150oC  
+ 200oC  
ELECTRICAL CHARACTERISTICS @ 25 OC  
SYMBOL  
CHARACTERISTICS  
TEST CONDITIONS  
MIN  
TYP  
MAX UNITS  
Power Out - Pk Sync  
Power Input  
Power Gain  
Collector Efficiency  
Load Mismatch Tolerance  
F = 175-225 MHz  
Vcc = 28 Volts  
Icq = 0.3Amps  
Rated Cond.  
125  
Watts  
Watts  
dB  
Pout  
Pin  
8.0  
12  
65  
12.5  
3:1  
Pg  
η1  
60  
%
F = 225 MHz  
VSWR1  
LVceo2  
BVces2  
BVebo2  
Collector to Emitter Breakdown  
Collector to Base Breakdown  
Emitter to Base Breakdown  
Current Gain  
Output Capacitance  
Thermal Resistance  
Ic = 50 mA  
Ic = 100 mA  
Ie = 5 mA  
Vce = 5 V, 1mA  
Vcb = 28 V, F = 1 MHz  
Tc = 25oC  
33  
65  
4.0  
20  
Volts  
Volts  
Volts  
2
hFE  
Cob2  
65  
pF  
0.7  
oC/W  
θjc  
Note 1: Rated Conditions  
Note 2: Per side  
Issue October 1997  
GHz TECHNOLOGY INC. RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE. GHz RECOMMENDS THAT BEFORE  
THE PRODUCT(S) DESCRIBED HEREIN ARE WRITTEN INTO SPECIFICATIONS, OR USED IN CRITICAL APPLICATIONS, THAT THE  
PERFORMANCE CHARACTERISTICS BE VERIFIED BY CONTACTING THE FACTORY.  
GHz Technology Inc. 3000 Oakmead Village Drive, Santa Clara, CA 95051-0808 Tel. 408 / 986-8031 Fax 408 / 986-8120  
VTV 1250  
August 1996  
VTV1250  
Vbe 1  
C5  
C8  
C11  
C14  
RFC1  
Vcc  
C23 C24  
+
C22  
+
R1  
C25  
L1  
L3  
L3  
L8  
C1  
C20  
L1  
L11  
L12  
L4  
L7  
L9  
Q1  
C13  
C3  
C4  
C15  
C18  
C9  
C17  
C6  
L6  
C19  
50 OHM  
RF IN  
L2  
C21  
50 OHM  
RF OUT  
C2  
L5  
L2  
L10  
L4  
C16  
C7  
+
C12  
C10  
RFC2  
R2  
CAPACITORS  
C3,C9,C13,C19= 4.7 pF ATC series A  
C1,C2,C20,C21= 4-40 pF Film Diel. trimmer  
C4= 33 pF ATC series A  
C5,C7= 0.1 mF, 50V disc ceramic  
C6= 100 pF ATC series B  
C8,C10= 500 pF Uncased Mica  
C11,C12= 200 pF Uncased Mica  
MICROSTRIPLINES  
L1,L11= 0.078" X 3.6"  
L2,L12= 0.087" X 3.6" 50 Ohm semi rigid cable  
L3,L5,L8,L10= 0.055" X 1.1"  
TRANSISTORS  
Q1= GHz VTV1250  
L1,L2........ 10 turns #18 magnet wire  
on a 0.15" form  
L4,L6,L7,L9= 0.084" X 0.4"  
C14,C16= 390 pF ATC series  
C15= 3 X 24pF ATC series A  
C17= 2 X 16pF ATC series A  
C18= 5.6pF ATC series A  
C22= 0.01mF, 50V disc ceramic  
C23= 0.1mF, 50V disc ceramic  
C24= 1.0mF, 50V disc ceramic  
C25= 10mF, 50V disc ceramic  
L3,L4........ 6 turns #18 magnet wire  
on a 0.325" form  
RESISTORS  
R1,R2= 150 Ohm, 1/2 W Carbon comp  
August 1996  
厂商 型号 描述 页数 下载

ETC

VTV075 7.5瓦, 25伏特, A类VHF电视 - 波段III[ 7.5 Watts, 25 Volts, Class A VHF Television - Band III ] 3 页

ETC

VTV150 15瓦, 25伏特VHF电视 - 波段III[ 15 Watts, 25 Volts VHF Television - Band III ] 3 页

ETC

VTV300 30瓦, 25伏特VHF电视 - 波段III[ 30 Watts, 25 Volts VHF Television - Band III ] 3 页

VISHAY

VTVS10ASMF-HM3-08 [ TVS DIODE 10.3V 16.3V DO219AB ] 6 页

VISHAY

VTVS10ASMF-HM3-18 [ TVS DIODE 10.3V 16.3V DO219AB ] 6 页

VISHAY

VTVS10ASMF-M3-08 [ TVS DIODE 10.3V 16.3V DO219AB ] 6 页

VISHAY

VTVS10ASMF-M3-18 [ TVS DIODE 10.3V 16.3V DO219AB ] 6 页

VISHAY

VTVS10GSMF-HM3-08 [ TVS DIODE 10.3V 16.3V DO219AB ] 6 页

VISHAY

VTVS10GSMF-HM3-18 [ TVS DIODE 10.3V 16.3V DO219AB ] 6 页

VISHAY

VTVS10GSMF-M3-08 [ TVS DIODE 10.3V 16.3V DO219AB ] 6 页

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