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Apr 2nd, 2010
BC Systems introduces GaN-based military RF power amplifier
BC Systems, of Setauket, New York USA, has introduced an RF power amplifier designed for defense applications requiring a compact device covering a broadband frequency of 20 to 305 MHz and having RF output power of at least 100 W in Class AB operation.
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The Model RF40015 reportedly combines gallium nitride (GaN) RF power transistors with the company’s design and fabrication techniques. According to the company, the device delivers high RF power density in a module measuring only 5.5 x 4.5 x 1.6 in and weighing less than 2 lb. BC Systems boasts that it has extremely fast blanking speed of less than 5 µs for excellent noise performance and low standby power consumption, as well as efficiency of at least 30%, and the ability to deliver its full RF power output into VSWR of 2.5:1.

The amplifier incorporates a custom DC-to-DC converter that BC Systems says is highly efficient, allowing the amplifier to operate from a 26 to 30 VDC power source. BC Systems says that the unit is fully protected for over-current and over-voltage conditions, and has an operating temperature range of -20o C to +85o C (-45o C to +95o C non-operating). It can be specified with an integrated low-power sampling port for RF output monitoring as well as a directional coupler. BC Systems says it can customize the DA Module to meet various military standards and parameters such as operating frequency range, mounting configurations, and connector type.


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