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User Manual
DA1468x Range Extender
Daughterboard
UM-B-074
Abstract
This document describes the hardware system setup of a range extender daughterboard based on
the Dialog DA14680/681 Bluetooth® low energy SoC and the Skyworks SKY66112-11 Front End
Module. Target hardware: DA1468x/DA1510x_db_aQFN60 – Board Number: 224-23-D. Target
silicon: DA14680/681.
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Table of Contents
Related Manuals for Dialog DA14681
Summarization of Contents
System Overview
Features
Key hardware and software capabilities and specifications of the daughterboard.
System Description
Overview of the daughterboard's core components and their interconnections.
System Interface
Details on connecting the daughterboard to development boards and power sources.
RF Front End
Control Signals
Digital signals for controlling the SKY66112-11 FEM.
GPIO Setup
Configuration of GPIO pins for FEM control signals.
Power Amplifier
Details on the SKY66112-11 FEM's power amplifier characteristics.
Transmit (TX) Path
How the TX signal path is configured and controlled.
Receive (RX) Path
Description of the receiver modes and LNA.
Filtering (Optional)
Options for adding filter components to the RF path.
Antenna
Antenna ports and selection logic for the FEM.
Resistive Attenuator (Optional)
Option to add a resistive attenuator for signal adjustment.
PCB Assembly
DA14681 Range Extender Schematic
Electrical schematic of the DA14681 Range Extender.
SKY66112-11 Front End Module Schematic
Schematic of the SKY66112-11 FEM.
Bill of Materials
List of components used in the PCB assembly.
BLE Measurements
Basic Performance Measurements
Details on receiver sensitivity, TX power, and current consumption.
BLE FCC Measurements
Results of FCC compliance tests for BLE operation.
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