MRFICl505R2 based GPS receiver RF front-end circuit

MRFICl505R2 is a 1. 575GHz GPS downconverter chip. It integrates mixer, VCO, PLL, crystal oscillator, A / D converter and loop filter and other circuits. MRFICl505R2 IF output frequency is 4. 1MHz; it has 105dB typical conversion gain, 2. 7V operating voltage, 28mA typical current consumption; it is available in LQFP-48 package.

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