Nordic Star Products NRD24V1 manual Introduction

Page 4

User Guide

1 Introduction

This user guide is for the nRD24V1 headset reference design, a voice quality wireless headset for Voice over IP (VoIP) applications. The quality of the audio in this design is the same as the audio quality in tele- phony.

This user guide describes the nRD24V1 system, HW modules and gives guidelines on how to take this ref- erence design and build it into a headset application for a finished product.

The nRD24V1 consists of a USB dongle and two application boards with a radio module mounted. You can establish a full duplex voice link between one application board and the USB dongle or between the two application boards.

Target applications for the nRD24V1 are:

Voice over IP headsets

Short range intercom applications

Toys

Revision 1.0

Page 4 of 25

Image 4
Contents Headset Reference Design nRD24V1 User Guide User Guide Liability disclaimerLife support applications disclaimer Contact detailsContents Introduction System Description USBLED Buttons NRD24V1 Radio module Hardware descriptionAudio Codec Power supply Micro controllerRadio circuit Antenna matching networkSpecifications Operating conditions Status ValueUser Guide Application board Audio interfaceHeadset interface Jumpers AntennaButtons Button mappingUser Guide USB dongle NRD24V1 USB dongle top sideUSB Interface User Guide Headset Hardware design guidelinesInterfaces Crystals Battery4 MCU Headset Reference Design USB dongle 2 MCUAppendix Bill Of Materials BOMUSB dongle BOM Radio module BOM Headset Reference Design Application board schematics GuideUser RF module schematics USB dongle schematics Headset Reference Design