Re: "Retro Repair" key electronics skills?

On 05/10/2016 02:33 PM, Bill Sudbrink wrote: The other is that, as I said before, any ground connection has impedance (it's the inductance that is troublesome normally) so that points (say IC pins) that are shown as grounded may actually have a voltage difference between them. If I think about

Re: "Retro Repair" key electronics skills?

On Tue, 10 May 2016, dwight wrote: > In order to trouble shoot, one needs to know how it is suppose to work. > This often means studying schematics, data sheets and sometimes even > app-notes. Cool. I'm good on this. I love schematics when I can get them. I can't always figure out what I'm

Re: "Retro Repair" key electronics skills?

ts Subject: RE: "Retro Repair" key electronics skills? On Tue, 10 May 2016, tony duell wrote: > It's a very real problem, it's the main reason for decoupling capacitors > which provide a local source of power with a low impedance connection > (as they are so close to the IC).

RE: "Retro Repair" key electronics skills?

On Tue, 10 May 2016, tony duell wrote: > It's a very real problem, it's the main reason for decoupling capacitors > which provide a local source of power with a low impedance connection > (as they are so close to the IC). It seems like there is a lot of "fiddling" with those types issues and

RE: "Retro Repair" key electronics skills?

> > My father is a civil engineer. When I was a little > kid, he was in the US Air Force. We would frequently > go to the runway snack bar, get ice cream and watch > the B-52s do "touch-and-go" landing practice. The > plane's wings would "flap". It raised the hair on > the back of my neck.

RE: "Retro Repair" key electronics skills?

tony duell wrote: > Another of Don Vonada's laws is 'There is no such > thing as ground'. My father is a civil engineer. When I was a little kid, he was in the US Air Force. We would frequently go to the runway snack bar, get ice cream and watch the B-52s do "touch-and-go" landing practice.

RE: "Retro Repair" key electronics skills?

> > Remember one of Don Vonada's laws 'Digital Circuits are made from > > Analogue Parts' > > That's an interesting saying. Maurice Wilkes (as in EDSAC) once told me 'A digital circuit is like a tame animal. An analogue circuit is like a wild animal. Every so often the digital circuit decides

RE: "Retro Repair" key electronics skills?

On Tue, 10 May 2016, tony duell wrote: > Remember one of Don Vonada's laws 'Digital Circuits are made from > Analogue Parts' That's an interesting saying. > So what appears to be a solid power or ground connection may have > different voltages along it. Those types of nuances and

RE: "Retro Repair" key electronics skills?

> > - Since I'm a coder, I understand boolean logic (which I hope would > > help with ICs). > > While it's an understandable point of view, especially for a coder, not > all ICs are digital logic - and even for those that are, understanding > non-digital-logic aspects of them can be useful. (I

Re: "Retro Repair" key electronics skills?

On Tue, 10 May 2016, Mouse wrote: > While it's an understandable point of view, especially for a coder, not > all ICs are digital logic - and even for those that are, understanding > non-digital-logic aspects of them can be useful. Right now I've started looking at the textbooks & lessons here:

Re: "Retro Repair" key electronics skills?

> - Since I'm a coder, I understand boolean logic (which I hope would > help with ICs). While it's an understandable point of view, especially for a coder, not all ICs are digital logic - and even for those that are, understanding non-digital-logic aspects of them can be useful. (I built an

RE: "Retro Repair" key electronics skills?

> -Original Message- > From: cctalk [mailto:cctalk-boun...@classiccmp.org] On Behalf Of Swift > Griggs > Sent: 09 May 2016 22:37 > To: General Discussion: On-Topic and Off-Topic Posts > > Subject: "Retro Repair" key electronics skills? > > > I figure I'm good for