---
title: "Ethernet-Interface DAB/DAB+ Modulator with WIZnet W5500 – EasyDAB v2"
url: "https://maker.wiznet.io/Lihan__/projects/ethernet-interface-dab-dab-modulator-with-wiznet-w5500--easydab-v2/"
markdown_url: "https://maker.wiznet.io/Lihan__/projects/ethernet-interface-dab-dab-modulator-with-wiznet-w5500--easydab-v2/md"
type: "UCC: User Created Content"
author: "Lihan__"
author_url: "https://maker.wiznet.io/Lihan__/"
original_author: "Lihan"
original_url: "https://tipok.org.ua/node/46"
published: "2025-07-30"
language: "en"
likes: 0
views: 1459
comments: 0
source: "WIZnet Makers (https://maker.wiznet.io/)"
---

# Ethernet-Interface DAB/DAB+ Modulator with WIZnet W5500 – EasyDAB v2

> EasyDAB v2 off-loads Ethernet TCP/IP via WIZnet W5500, uses FPGA for DAB/DAB+ modulation, and web UI for ETI stream reception and live DAB broadcast.

Original author: Lihan (source: https://tipok.org.ua/node/46)

## Article

![](https://maker.wiznet.io/upload/ckeditor5/31850482%5F1753889314%2Epng)

**Utilization of WIZnet Product**
The EasyDAB v2 board integrates a Wiznet W5500 module over SPI to provide 10/100 Mbps Ethernet with full hardware TCP/IP off-load, minimizing MCU load when receiving ETI streams

**Technology & Innovative Techniques**

All ETI processing and DAB/DAB+ modulation (error coding, DQPSK, COFDM, etc.) are implemented as custom IP cores inside the Xilinx XC6SLX9 FPGA.

A PicoBlaze6 soft CPU with AXI4-Stream and SPI peripherals handles control logic, while large FIFOs, time/frequency interleavers, IFFT, and FIR filters form a high-speed hardware pipeline

**System Flow**

Power on → W5500 initializes network → awaits ETI TCP stream at configured IP/port.

User connects via web browser (port 80) to set ETI source (IP/port), RF frequency, and output level.

On apply, W5500 connects to ETI source; FPGA processes and modulates ETI frames in real time.

Modulated DAB/DAB+ signal is output via DAC (AD9957), amplified, and sent to the antenna

![](https://maker.wiznet.io/upload/ckeditor5/31850482%5F1753889296%2Epng)

**Technical Synergy Analysis**

Off-loading TCP/IP to W5500 frees the FPGA and PicoBlaze6 to focus solely on modulation and control, ensuring jitter-free, reliable streaming.

Ethernet delivers low-latency, high-throughput ETI transport, and the built-in web UI simplifies field configuration and firmware updates, enhancing maintainability

**Potential Applications & IdeasMobile DAB Broadcasts:** Portable digital radio transmitters for events/festivals.

**Emergency Alerts:** On-site wireless dissemination of disaster info.

**Campus/Enterprise Radio:** In-house broadcasting/music streaming.

**Digital Broadcast Research:** SFN network trials and educational platform.

**IoT DAB Broadcasting:** Sensor data (weather, traffic) broadcast over DAB channels.

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Source: https://maker.wiznet.io/Lihan__/projects/ethernet-interface-dab-dab-modulator-with-wiznet-w5500--easydab-v2/