[cctalk] Re: Rainbow H7842 PSU Fault

2023-05-07 Thread Rob Jarratt via cctalk
The comments about the tolerance of the 7812 were right, it doesn’t appear to be an issue with the replacement 7812 regulator because when I tried using the bench PSU to feed exactly 12V to the circuit from the output of the 7812 the comparator still gave the wrong result. It was still wrong if

[cctalk] Re: Rainbow H7842 PSU Fault

2023-05-07 Thread Peter Coghlan via cctalk
> > The comments about the tolerance of the 7812 were right, it doesn’t > appear to be an issue with the replacement 7812 regulator because when > I tried using the bench PSU to feed exactly 12V to the circuit from the > output of the 7812 the comparator still gave the wrong result. It was > still

[cctalk] Re: The World Wide Web

2023-05-07 Thread David Barto via cctalk
I believe it was Henry Spenser at a USENIX conference that said “Never underestimate the bandwidth of a station wagon filled with mag tape”. David > On May 5, 2023, at 8:59 PM, steve shumaker via cctalk > wrote: > > There used to be a running joke in the test center on Kwajalein Atol

[cctalk] Re: The World Wide Web

2023-05-07 Thread KenUnix via cctalk
Chuck, Did you at least get a bag peanuts on the flight? Ken On Sun, May 7, 2023 at 11:20 AM David Barto via cctalk < cctalk@classiccmp.org> wrote: > I believe it was Henry Spenser at a USENIX conference that said “Never > underestimate the bandwidth of a station wagon filled with mag tape”. >

[cctalk] Re: The World Wide Web

2023-05-07 Thread Chuck Guzis via cctalk
On 5/7/23 08:35, KenUnix via cctalk wrote: > Chuck, > > Did you at least get a bag peanuts on the flight? > It was always a dinner flight, so I had my choice of chicken or mystery meat (the flight attendants called it that). If I was able to make reservations, I usually specified the kosher me

[cctalk] Re: The World Wide Web

2023-05-07 Thread Tarek Hoteit via cctalk
Did you ever choose the mystery meal? Regards, Tarek Hoteit > On May 7, 2023, at 9:50 AM, Chuck Guzis via cctalk > wrote: > > On 5/7/23 08:35, KenUnix via cctalk wrote: >> Chuck, >> >> Did you at least get a bag peanuts on the flight? >> > > It was always a dinner flight, so I had my choic

[cctalk] Re: Rainbow H7842 PSU Fault

2023-05-07 Thread Wayne S via cctalk
Quick comment w/o looking at the schematic yet, is that zeners don’t do rectification, but do do regulation. If you suspect bad a bad rectifier you can easily check with a scope. Sent from my iPhone > On May 7, 2023, at 03:33, Peter Coghlan via cctalk > wrote: > >  >> >> >> The comments

[cctalk] Re: The World Wide Web

2023-05-07 Thread Chuck Guzis via cctalk
On 5/7/23 11:58, Tarek Hoteit via cctalk wrote: > Did you ever choose the mystery meal? > > Regards, > Tarek Hoteit Only if it was the only choice left. On the menu, I think it was called "salisbury steak" --Chuck

[cctalk] Re: Rainbow H7842 PSU Fault

2023-05-07 Thread Brent Hilpert via cctalk
On 2023-May-07, at 1:54 AM, Rob Jarratt via cctalk wrote: > The comments about the tolerance of the 7812 were right, it doesn’t appear to > be an issue with the replacement 7812 regulator because when I tried using > the bench PSU to feed exactly 12V to the circuit from the output of the 7812 >

[cctalk] Re: The World Wide Web

2023-05-07 Thread Sellam Abraham via cctalk
Salisbury is the place in England where they used to dump the unusable remnants of the animals that went to slaughter. Sellam On Sun, May 7, 2023 at 12:18 PM Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: > On 5/7/23 11:58, Tarek Hoteit via cctalk wrote: > > Did you ever choose the myste

[cctalk] Re: The World Wide Web

2023-05-07 Thread Nigel Johnson Ham via cctalk
On 2023-05-07 19:08, Sellam Abraham via cctalk wrote: Salisbury is the place in England where they used to dump the unusable remnants of the animals that went to slaughter. Sellam On Sun, May 7, 2023 at 12:18 PM Chuck Guzis via cctalk < cctalk@classiccmp.org> wrote: On 5/7/23 11:58, Tarek Hot