JFET

MAX2769 GPS Reference Design

Overview

Important Design Features

Dual-Input Uncommitted LNA for Separate Passive and Active Antenna Inputs
Integrated Active Antenna Sensor Which Can Autoswitch the Antenna Input
The I and Q Channel-Select Filters Can Be Selected as Either Third or Fifth Order
Provides 110dB Cascaded Gain and a 1.5dB Cascaded NF in LNA1 Mode
The IF Output Is Adjustable in 63 Steps Between 0MHz and 12.5MHz
Can Be Used in Preconfigured States that Do not Require Programming Through the 3-wire SPI™ Interface

Figure 1. GPS reference design features the MAX2769.

Documentation

Application Note

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It is your responsibility to test the circuit yourself and determine its suitability for you. EEWorld will not be liable for direct, indirect, special, incidental, consequential or punitive damages arising from any cause or anything connected to any reference design used.

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Update:2025-06-24 09:35:33

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