1296Mhz Rf Amplifier

Posted on Oct 1, 2012    8247

Using an NEC70083, this 1296-MHz amplifier delivers about 17-dB gain and around 1- to 1.5-dB noise. It is constructed

1296Mhz Rf Amplifier
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on a G-10 epoxy fiberglass PC board. Use the layout shown because this is important for correct performance. The power supply/regulator delivers the regulated 3-Vdc for the drain circuit and U2 produces a negative bias for the gate circuit. R5 sets the drain voltage to+ 3 V and R3 sets the gate bias. Typically, the drain current is about 10 mA.

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