Tube Tester for any budget circuit

The ProfiLab-Expert software allows you to develop your own digital or analogue measuring technology projects. It doesn't matter if you want to create analogue measurements or digital controls - you can realize it all. And for all this you don't...

Vacuum Tube 80-40M Transmitter Circuit

The transmitter utilizes a 6BW6 vacuum tube to achieve an output power of approximately 5 watts. The circuit includes a component CI that is calibrated to produce the cleanest continuous wave (CW) note. The tuning capacitors C8 and C9 have...

dyi setup and debugging guide

This page discusses the differences between assembled Open USB FXS dongle boards and DIY boards. While the assembled boards are fully tested and quality control approved, DIY boards may encounter various issues during assembly. Fortunately, most of these issues can...

35 Watts Vacuum Tube Power Amplifier by E80CC and EL34

The circuit is designed to create a power amplifier that utilizes E80CC and EL34 vacuum tubes to achieve optimal performance, providing an output of 35 Watts. The power amplifier circuit employs E80CC and EL34 vacuum tubes, which are known for their...

turret diy

For maximum mini-security, this RC Tupperware Turret delivers a formidable deterrent against food theft. While it lacks motion sensors, potential food thieves will think twice before attempting to swipe baked goods. This 11-hour project, designed by Chris of PyroElectro, emphasizes...

RealView 2.0

RealView is a measurement application, which records and plots measured values from analogue hardware devices in real-time. Several curves can be plotted into a single diagram. Several diagrams can be arranged on one or more pages if necessary. Plot options...

Cymbal Vacuum Tube Push/Pull Power Amplifier 6H30 6W

The Cymbal monoblock power amplifier features a modern push-pull design utilizing ultra-linear 6H30 triodes in a zero-feedback circuit. This unique configuration is optimized for sound quality rather than sheer power, making it ideal for efficient drivers and horn speakers. With...

cr vacuum tube detector radio

A basic detector radio set that utilizes a vacuum tube instead of a crystal detector. This radio requires minimal components, and due to its inherent simplicity, it is easy to construct. Despite its simplicity, this receiver performs well when a...

Vacuum Tube Direct Interface

DC power must be supplied to the instrument through either specialized cabling or an internal battery. This should not be applied to collectible instruments that do not include onboard electronics. It can be conveniently implemented using a field effect transistor...