Philips unveils power ICs for radar

Philips Semiconductors of Sunnyvale, Calif., is offering a family of silicon bipolar microwave power transistors for use in S-band pulsed radars. This new BLS2731 family includes a 100-watt transistor with the 400 MHz bandwidth that covers the 2.7 GHz to 3.1 GHz frequency range of radar. The family includes four transistors with minimum pulse-power handling capabilities between 10 and 110 watts, all featuring a typical power gain of 8 decibels and collector efficiency of 40 percent over the 2.7 to 3.1 GHz range. All come in two-lead rectangular flange packages. - J.K.