General description
A 500 W LDMOS RF power transistor for broadcast transmitter applications and industrial applications. The transistor is optimized for digital applications and can deliver 110 W average DVB-T broadband over the full UHF band from 470 MHz to 860 MHz. The excellent ruggedness of this device makes it ideal for digital transmitter applications.
FEATUREs and benefits
■ 2-Tone performance at 860 MHz, a drain-source voltage VDS of 50 V and a quiescent
drain current IDq = 1.3 A:
◆ Peak envelope power load power = 500 W
◆ Power gain = 19 dB
◆ Drain efficiency = 46 %
◆ Third order intermodulation distortion = -32 dBc
■ DVB performance at 858 MHz, a drain-source voltage VDS of 50 V and a quiescent
drain current IDq = 1.3 A:
◆ Average output power = 110 W
◆ Power gain = 19 dB
◆ Drain efficiency = 31 %
◆ Shoulder distance = -31 dBc (4.3 MHz from center frequency)
■ Integrated ESD protection
■ Advanced flange material for optimum thermal behavior and reliability
■ Excellent ruggedness
■ High power gain
■ High efficiency
■ Designed for broadband operation (470 MHz to 860 MHz)
■ Excellent reliability
■ Internal input matching for high gain and optimum broadband operation
■ Easy power control
■ Compliant to Directive 2002/95/EC, regarding Restriction of Hazardous Substances
(RoHS)
APPLICATIONs
■ Communication transmitter applications in the UHF band
■ Industrial applications in the UHF band