GOLD METALLISED MULTI-PURPOSE SILICON DMOS RF FET � 175MHz PUSH�PULL
SIMPLIFIED AMPLIFIER DESIGN SUITABLE FOR BROAD BAND APPLICATIONS
ABSOLUTE MAXIMUM RATINGS (Tcase = 25�C unless otherwise stated)
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use. Semelab encourages customers to verify that datasheets are current before placing orders.
Power Dissipation Drain � Source Breakdown Voltage* Gate � Source Breakdown Voltage* Drain Current* Storage Temperature Maximum Operating Junction TemperatureELECTRICAL CHARACTERISTICS (Tcase = 25�C unless otherwise stated) Parameter Test Conditions Min.
BVDSS IDSS IGSS VGS(th) gfs Drain�Source Breakdown Voltage Zero Gate Voltage Drain Current Gate Leakage Current Gate Threshold Voltage* Forward Transconductance* Gate Threshold Voltage Matching Between Sides VGS = 0 VDS = 50V VGS = 10mA VDS = 100mA VGS = 0 VDS = 0 VDS = VGS = 3A VDS = VGS 4.8 125
GPS VSWR Ciss Coss Crss Common Source Power Gain Drain Efficiency Load Mismatch Tolerance Input Capacitance Output Capacitance = 300W VDS = 175MHz IDQ 60 20:1 VGS = 1MHz VGS = 0 VGS % pF
The ceramic portion of the device between leads and metal flange is beryllium oxide. Beryllium oxide dust is highly toxic and care must be taken during handling and mounting to avoid damage to this area. THESE DEVICES MUST NEVER BE THROWN AWAY WITH GENERAL INDUSTRIAL OR DOMESTIC WASTE.RTHj�case Thermal Resistance Junction � Case Max. / W
Figure 1 � Power Output and Efficiency vs. Power Input.
Figure 2 � Power Output & Gain vs. Power Input. D5028UK OPTIMUM SOURCE AND LOAD IMPEDANCE / 50V