VTV150 15 Watts, 25 Volts VHF Television - Band III GENERAL DESCRIPTION CASE OUTLINE The VTV 150 is a COMMON EMITTER transistor capable of providing 15 Watts Peak Sync, Class A, RF Output Power over the band 175 - 225 MHz. It is designed for high efficiency, high linereity, Class A operation. Gold Metalization and Diffused Ballasting are used to provide high reliability and supreme ruggedness. 55HV, STYLE 2 ABSOLUTE MAXIMUM RATINGS Maximum Power Dissipation @ 25oC 97 Watts Maximum Voltage and Current BVces Collector to Emitter Voltage BVceo Collector to Emitter Voltage BVebo Emitter to Base Voltage Ic Collector Current 45 Volts 25 Volts 4.0 Volts 8.0 Amps Maximum Temperatures Storage Temperature Operating Junction Temperature - 65 to + 150oC + 200oC ELECTRICAL CHARACTERISTICS @ 25 OC SYMBOL CHARACTERISTICS TEST CONDITIONS Pout Pin Pg η IMD1 VSWR1 Power Out - Pk Sync1 Power Input Power Gain Efficiency Intermodulation Distortion Load Mismatch Tolerance F = 175-225 MHz Vcc = 25 Volts Ic = 2.4 Amps LVceo BVces BVebo hFE Cob θjc Collector to Emitter Breakdown Collector to Base Breakdown Emitter to Base Breakdown Current Gain Output Capacitance Thermal Resistance Note 1: MIN TYP 15 20 1.9 9.0 33 -52 8.0 Pref = 15 Watts F = 225 MHz Ic = 25 mA Ic = 100mA Ie = 10mA Vce = 5 V, 1 mA Vcb = 25 V, F = 1 MHz Tc = 25oC MAX UNITS Watts Watts dB % dB 3:1 28 45 4.0 10 Volts Volts Volts 68 1.6 1.8 o pF C/W European test method, Vision = - 8dB, Sideband= - 16dB, Sound = -7 dB 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 150 VTV-150 VTV-150 RF Test Circuit (Tunable 175-225 MHz) Recommended Bias: VCE=25 V, IC=2.4 A (DC Bias not shown) R2 R1 Vcc vbb L6 C10 C11 C12 C14 C13 .83" L1 C1 C2 .94" .30" C3 .51" .34" Q1 C4 C1, C9, C13, C14 ........ 470pF ceramic chip C2, C3, C8 .................. 5-70pF compressed mica C4 ............................... 75pF ceramic chip C5 ............................... 82pF ceramic chip C6 ............................... 2-20pF air tuned C7 ............................... 25-240pF compressed mica C10, C17 ..................... 50 mF electrolytic C11, C16 ..................... 1mF electolytic C12, C15 ..................... 1000pF ceramic chip August 1996 C16 C17 L5 L4 .56" C15 C5 C6 C7 L2 .32" C8 L1 ................... Cu strap, 1.20" X .12" X .03" L2 ................... Cu strap, 1.05" X .12" X .04" L3, L6 .............. 10 turns #22 wire on F627-8Q1 L4 ................... 4.7 m H L5 ................... 7 turns #22 wire (0.15" outer diameter) R1, R2.................15 W 1/2- Watt carbon BOARD MATERIAL is 1/16" Teflon glass, 2 oz. Cu microstriplines are 50W nominal. C9