Skip to content
AMATEUR RADIO - HOMEBREW SDR
Contributors: John Petrich, W7FU, Mariana Varotto, WA7EE, Pablo Sala, KI7OJL
  • Home
  • About this Website
  • Ham Friendly DSP Software
    • Overview of GNU Radio Digital Signal Processing Software
    • From Block Diagram to DSP Software with GNU Radio
  • SDR Projects
    • Advanced SDR Hardware – described
    • RTL-SDR FM Broadcast Receiver
    • Correcting the RTL-SDR USB Connection Problem
    • Signal Generator and Weak Signal Source for Microwave Projects
    • Frequency Selective Microwave Power Measurement – a Power Indicator
    • Universal Multi-Mode Transceiver DSP
    • Universal Microwave SSB/CW IF SDR Transceiver
    • 10 GHz Transceivers using the Dual Transceiver SDR
    • VHF/UHF FM Simplex Multi-band Transceiver
    • VHF/UHF Single Band FM Simplex IF Transceiver
    • VHF/UHF Single Band Multi-mode IF Transceiver
    • Triband VHF FM ‘Handheld’ Transceiver
    • SDR Station: HF to 24 GHz
    • 47 GHZ and 79 GHz SDR Based Stations
    • 47 GHz Transverter and Beacon Transmitter – Home Brew Project
    • GPIO Control for SDR TX / RX Peripherals
    • CW Operation with GNU Radio
    • RF Interface for HF
    • RF Interface for VHF and Microwaves
    • VHF / UHF Power Amplifier Modules
  • Presentations and Publications
    • GNU Radio and I & Q Explained: ARRL Digital Communications Conference September 2014
    • GNU Radio Part 1 and Part 2: ARRL QEX Magazine July, September 2014
    • UHF SDR Transceiver: MicroHAMS Digital Conference March 2016
    • Digital Signal Processing: ARRL NW Division Convention, June 2016
    • UHF SDR Transceiver and Ham Radio System: ARRL NW Division Convention, June 2016
    • UHF – VHF – Microwave SDR Transceiver, ARRL Division Convention, June 2017
    • Advanced SDR Ham Radios for Microwave: Microwave Update, October 2017
    • Microwave SDR: Software and Hardware, Microwave Update, October 2018
    • 9-band VHF/Microwave SDR Station: DUBUS Vol. 47, 4/2018
    • Make The Flow Graph Work For You – Talk: Ham Radio online video seminar, January 16, 2021
    • SDR Experience: PNW Microwave Group, Microwave Update, October 4, 2024
  • Miscellanea
    • Test and Measurement Utilities using GNU Radio
    • Simple Audio Oscillator Project
    • Advanced Audio Oscillator Project with Multi-Rate Sampling and FFT Display
    • SDR Receiver DSP Project
    • DSP for an Elemental SDR Receiver
    • DSP for an Elemental SDR Transmitter
    • Quadrature Multiplier – demonstration
    • Home made mmWave mixer experiments
    • Direct RFIC Synthesizer and FPGA NCO Offset Tuning
    • “Why” and “How” of I and Q
    • ‘Click Tune’ Frequency Changes with the FFT GUI
    • DSP Frequency Memory with Preset Frequency Variables
    • Zero frequency receiver artifact

GNU Radio and I & Q Explained: ARRL Digital Communications Conference September 2014

Video link to this presentation: 2014 ARRL/TAPR Digital Communications Conference

Recent Posts

  • Home made mmWave mixer experiments February 11, 2019
  • Direct RFIC Synthesizer and FPGA NCO Offset Tuning July 1, 2018
  • “Why” and “How” of I and Q June 29, 2018

Archives

  • February 2019
  • July 2018
  • June 2018
  • Home
  • About this Website
  • Ham Friendly DSP Software
  • SDR Projects
  • Presentations and Publications
  • Miscellanea
Copyright © 2025 AMATEUR RADIO - HOMEBREW SDR