Rainbow Electronics MG260 - Manual (Page 18)

MG260 Product Specification
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1.5.2.2 GPS RF architecture
Figure 3: GPS RF front-end
The GPS Radio Frequency part is based on two specific GPS chips:
z GPS LNA: Low Noise Amplifier
z RF transceiver including :
z RF frequency Down-converter,
z Low frequency LC filter,
z AGC loop circuit,
z Analog to digital converter.