EO&N Capacitor Leakage Tester re-make with PCB. Design, Build and Testing #PCBWay#

Electronics Old and New by M Caldeira

description

A few years ago I designed and built a capacitor leakage tester, which has been in use constantly, and has really served me well. Many of my viewers have built their own and suggested improvements, which I have not deemed critical to date. However, with the opportunity to design a PCB for it, a new version started taking shape. Here is the result of the build of my new version, which, due to some rather silly errors in the PCB design, will not be my last. Hope you enjoy it.

You can now support the channel: https://www.patreon.com/mcaldeira https://paypal.me/macaldeira

IF YOU WANT TO BUILD IT YOURSELF ...

Below are various links to pertinent information, including a Google Drive folder that has all the info on the project in support of the video series. Feel free to download it and use it for your personal builds, but please note that I won't be able to provide too much further help with building your project, as time is always scarce. This project is definitely not for beginners, so only embark on it if you are confident that you can do so safely. If you do, you are obviously doing so at your own risk. The PCB's can be ordered directly from PCBWay via the link below. If you prefer, you can use the Gerber files included in the info folder to produce your PCB's elsewhere.

IMPORTANT NOTICE: The initial schematic showed Q3 as a BC547, but it is in fact a 2N3904. These two transistors have opposite pinouts, so be careful. The PCB is correct for the 2N3904.

Schematics, Gerbers, Funke Tube Cards, and more info: https://drive.google.com/drive/folders/1Cht3xjo8EsHzl5k89JRAfChiloiAkr6H?usp=sharing

Link to Shared Project section on PCBWay's website for this PCB: https://www.pcbway.com/project/shareproject/Full_supply_board_for_DIY_Tube_Tester_a4168937.html

Link to Shared Project section on PCBWay's website for Battery Switcher PCB: https://www.pcbway.com/project/shareproject/Opto_coupler_or_relay_battery_switcher_57237d26.html

Tube Cards download: https://tuberocker.wordpress.com/2014/08/25/funke-w19-pruefkarten-download/

Full card summary in text format: https://www.radiomuseum.org/forumdata/upload/Pruefkarten_08_2008.pdf

Meters: «PeakTech® LDP-135» https://www.peaktech.de/uk/PeakTech-LDP-135-Volt-ammeter-LCD-display-13mm-hight-of-digits/LDP-135

You can now support the channel: https://www.patreon.com/mcaldeira https://paypal.me/macaldeira

_HUNDREDS OF OTHER VIDEOS TO CHOOSE FROM DIY TEST GEAR: The title says it all: https://www.youtube.com/watch?v=7buNHf6HoDw&list=PLy5M_tA9ux7KkjmWX0I0zNocg6NF33EfL

RESTORATION BUILDING BLOCKS: A series of videos showing detailed steps used the restoration process of tube equipment: https://www.youtube.com/watch?v=7xvTGd4ysRE&list=PLy5M_tA9ux7JSYx8z2mw303vx287LHpzf

HowTo's: Various videos on some simple techniques and projects: https://www.youtube.com/watch?v=lgr-J_D6pSU&list=PLy5M_tA9ux7K3B77iUGyLPai3RIvJOrkO

See also playlists on some other completed restoration projects.

PHILIPS BX750A: https://www.youtube.com/watch?v=i8U9Lteja5o&list=PLy5M_tA9ux7IG6XgctidGO0u0DeT3_CxF