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Gain Blocks Can be Used as a Broad Band Gain Block or Driver Amplifier

Thu, 04/08/2010 - 1:19pm
Avago Technologies has released two economical, easy to use general-purpose InGaP Hetero-Junction Bipolar Transistor (HBT) MMIC gain block amplifiers for use in a variety of wireless applications. Avago's AVT-51663/53663 gain blocks, which operate within the DC to 6000 MHz frequency band, can be used as either a broad band gain block or driver amplifier. These gain blocks target designers of cellular infrastructure applications, but can be also be used in a variety of other wireless applications such as base stations, WiMAX, WLAN, CATV, Satellite TV and set-top boxes. The AVT-51663/53663 gain block amplifiers, which are internally matched to 50-Ohms, were designed in Darlington configuration housed in an industry standard six-lead SOT-363 surface mount plastic package. The Darlington feedback structure provides inherent broad bandwidth performance resulting in a useful operating frequency range of up to 6 GHz making the AVT-51663/53663 suited for small-signal gain cascades or IF amplification. Additionally, these new gain blocks feature easy installation and only require DC blocking capacitors, RF choke, biasing resistors and bypass capacitors for operation.

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