DB-2933-54

www.DataSheet4U.com DB-2933-54 RF POWER amplifier using 2 x SD2933 N-Channel enhancement-mode lateral MOSFETs General feature ■ ■ ■ ■ ■ ■ ■ ■ Excellent thermal stability Frequency: 1.6 - 54MHz Supply voltage: 48V Output power: 400W typ. Input power 10W max. Efficiency: 57% - 76% IMD at 300WPEP < -26dBc Load mismatch: 3:1all phases Description The DB-2933-54 is a RF broadband power amplifier intended for linear or nonlinear operation over the band 1.6 to 54 MHz using 2x SD2933 gold metallized N-channel MOS field-effect transistors. The temperature compensating biasing circuit supports class B and class AB operation. DB-2933-54 is designed in cooperation with Specific RF Devices. (e-mail : specific.rf.devices@t-online.de) Order Code ■ DB-2933-54 October 2006 Rev 1 1/13 www.st.com 13 Contents www.DataSheet4U.com DB-2933-54 Contents 1 Electrical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2 3 4 5 6 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Typical performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Photos of DB-2933-54 amplifier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 DB-2933-54 class of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 SD2933 moun...