The Portsdown Transmitter index

This page is designed to give an index of the pages relating to the Portsdown transmitter project.

Overview

• The Portsdown Transmitter Introduction

• Portsdown Transmitter User guide

• Portsdown Output Levels

• Frequently asked questions

Hardware Construction Pages

• Filter Modulator Version 2

• GPIO Breakout Card

• Local Oscillator Filter

• 4-Band Decoder

• 4-Band RF output Switch

• 8-Band Decoder

• 8-Band RF Output Switch

Hardware

• Detailed Hardware Listing

• Assembling Portsdown

• DATV equipment shopping List including Portsdown Build Options

• Filter Modulator Board

• Filter Modulator Version 1A Modifications

• Filter Modulator Version 1A Output Levels

• LO Filter Performance

• Output Attenuator

• Portsdown Displays Advice on what display to use with your Portsdown transmitter.

• Using an HDMI Lead for the Pi Camera

• Summary of GPIO Connections

• Analog Video Output

• Portsdown 2018 Band Switching

• Webcam Support

• Powering your Raspberry Pi

Software

• Software Installation Guide

• Initial set up guide - 2019

• Initial set up guide - Jessie

• A Guide to the Console

• Setting up the WiFi

• Updating your Portsdown Software

• Portsdown Transmitter Software Support Statement

• Feeding Video to Portsdown from vMix

• Audio Switching

• Software capabilities and issues

• 201707221 Release Note

• Software Capability Matrix

• Calibrating the TouchScreen Alignment

• SD Card Image download for Software 201801061

• The "Portsdown 2018" Software

• Portsdown 2018 Stretch Software

• Portsdown 2018 "Contest Edition" Software

Specific Capabilities

• Streaming to the BATC Streamer from a Portsdown

• Adjusting the Repeater Stream quality for noisy video

• Still Capture from Composite Video Input

• Controlling a DATVExpress

• Use With a DTX-1 How to use your Portsdown transmitter to transmit RB-TV with a DTX-1

• Hardware-only Transmit Switching How to use the Portsdown without a Touchscreen or computer.

• Portsdown Signal Generator

• FreqShow Displaying the received frequency spectrum

• How to Use the C920 Webcam with the Portsdown

• Lean DVB receiver

• Webcam Technical Details Archive

• RX Up-converter LO Capability

• Streaming Display

• Stream Receive Appliance for Repeaters

• H264 Encoding with Audio

• Using LimeSDR with Portsdown

More Information

• PAL/NTSC and Display Resolutions

• Video Cameras and Capture Devices

• Brochure and presentations

For interactive discussion with other constructors see the BATC Members' Forum Pages

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