I don't know but fiction surely has it in for me because he had a go at me in his previous post and he's only made two posts!
https://www.electro-tech-online.com/threads/communication-devices.23591/#post159601
Do you know me from another forum or something?
Anyway, you must understand that while I do enjoy helping people with their engineering problems. I simply refuse to do all the work for them especially if they will use it to pass a course which they're otherwise too stupid or lazey to have passed.