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DA2709 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers |
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1 / 9 page Page 1 February 2002 DA2709 Wideband Amplifier Advance Information HiMARK Technology, Inc. reserves the right to change the product described in this datasheet. All information contained in this datasheet is subject to change without prior notice. HiMARK Technology, Inc. assumes no responsibility for the use of any circuits shown in this datasheet. Description The DA2709 is a general purpose, low-cost RF wideband amplifier IC. The input and out- put of the IC are internally matched to 50 Ω for convenient cascading. Applications include IF and RF amplification in wireless voice and data communication products from DC to 3GHz. The DA2709 requires minimal external components for DC bias. Features u DC to 3GHz Operation u Internally Matched Input and Output u 22dB Small Signal Gain @2GHz u P1dB = 8dBm @2GHz u Single Positive Power Supply u SOT363 surface-mount package Pin Out Diagram IN V CC OUT GND 3 1 4 6 5 GND GND 2 Pin Descriptions Number Name Description 1 V CC Power supply pin. An external bypass capacitor is required. 2 GND Ground connection. Keep PCB traces as short as possible and connect immediately to ground plane for best performance. 3 OUT Signal output and bias pin. An external choke inductor L to V CC is required for biasing. An external series DC blocking capacitor is also required. 4 GND Same as pin 2. 5 GND Same as pin 2. 6 IN Signal input pin. An external series DC blocking capacitor is required. No DC coupling allowed. |
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