ELAD srl FDM-DUO Manuale Utente
ELAD FDM-DUO
User Manual Rev 1.04 10/2014
© 2014 ELAD S.r.l. All rights reserved. No part of this document may be reproduced, published, used, disclosed or disseminated in any form or
by any means, electronic, photocopying or otherwise, without prior written permission of ELAD S.r.l.
4
2 FDM-DUO Overview
2.1
Notice
Amateur radio regulations vary from country to country. Confirm your local amateur radio regulations
and requirements before operating the ELAD FDM-DUO
and requirements before operating the ELAD FDM-DUO
2.2
Firmware versions
The features described in this manual refers the following firmware versions
RX Demodulator
TX Modulator
User Interface
USB Interface
FPGA
Ver: 1.04
Date: 09/18/2014
Date: 09/18/2014
Ver: 1.03
Date: 09/18/2014
Date: 09/18/2014
Ver: 3.03
Date: 09/18/2014
Date: 09/18/2014
Ver: 4.08
Date: 09/18/2014
Date: 09/18/2014
Ver: 2.00
Date: 07/30/2014
Date: 07/30/2014
2.3
Introduction
Thank you for choosing the FDM-DUO. It is an innovative dual mode SDR transceiver covering the
frequency range from 9kHz to 52MHz. The FDM-DUO can be used like a standard transceiver in stand-
alone mode or connect to a PC to exploit the full potential of the ELAD FDM-SW2 software.
frequency range from 9kHz to 52MHz. The FDM-DUO can be used like a standard transceiver in stand-
alone mode or connect to a PC to exploit the full potential of the ELAD FDM-SW2 software.
2.3.1 Main Features
Frequency range: RX 9kHz to 52MHz direct sampling receiver
TX 160m to 6m
Selectable power output 5W on Ham Bands or 0dBm RF Out connector
Double antenna connectors (RTX or separate RX/TX)
Operating Modes: CW LSB USB AM
ADC Linear LTC2165,16bit @122.88MHz
DDC FPGA Spartan 6 XC6SLX25 + Serial Flash for stand-alone mode
Stand-alone RX demodulator with STM32F4 ARM floating point μController
LPC1766 Cortex M3 for LCD & Keyboard control
TX modulator with STM32F4 floating point μP + AD9957 DDS @368.64 MHz
Clocking source Si5338 driven by 10MHz TCXO or External reference input
TX modulator from I2S source: MIC using Cirrus CS5346 or USB integrated Codec (CM6510B
codec with customized firmware)
codec with customized firmware)
CAT USB interface with FTDI controller