The new MGA-30689 from Avago Technologies is a flat-gain, high-linearity low-noise gain block that can be used as either a broadband gain block or driver amplifier MMIC.
Housed in an industry standard SOT-89 package measuring 4,5 x 4,1 x 1,5 mm, the device operates in the 40–2600 MHz frequency band and only requires a simple DC biasing match, with no additional RF matching components required to achieve wide bandwidth performance.
The broadband performance of the MGA-30689 makes it suitable for designers of cellular devices, WiMAX wireless base stations, satellite and cable TV set-top boxes, as well as a variety of other wireless applications that operate within the 40–2600 MHz frequency range. The built-in temperature compensated internal bias circuit provides stable current over temperature and process threshold voltage variations. The broadband flat gain feature is useful in other cellular infrastructure designs that require the same driver amplifier or gain block for different frequencies.
At a typical operating condition of 5 V and 103 mA, the MGA-30689 delivers performance of 14 dBm gain, 40 dBm OIP3 and 22 dBm P1dBm, and 3,2 dBm noise figure at 1950 MHz.
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