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

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

• Filter Modulator Version 2

• Local Oscillator filter designs

• LO Filter Performance

• PTT and band switching

• Details on the RF output switch board

• 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

Software

• Software Overview

• Software Installation Guide

• A Guide to the Console

• Setting up the WiFi

• Updating your Portsdown Software How to update your Portsdown software to the latest version, with suggestions for troubleshooting updates.

• 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

Specific Capabilities

• Streaming to batc.tv with Raspberry Pi

• Adjusting the Repeater Stream quality for noisy video

• Still Capture from Composite Video Input

• 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

More Information

• Frequently asked questions

• 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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