Amusing Myself !-)

J

Jim Thompson

Guest
Amusing Myself with how simple certain things can be solved with a
circuit !-)

See "WonderWhatThisIsGoodFor.pdf" on the S.E.D/Schematics page of my
website.

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

I love to cook with wine. Sometimes I even put it in the food.
 
Jim Thompson <Jim-T@golana-will-get-you.com> wrote in message
news:7432mv4qjteourrv602h0u3781so0qkoug@4ax.com...
Amusing Myself with how simple certain things can be solved with a
circuit !-)

See "WonderWhatThisIsGoodFor.pdf" on the S.E.D/Schematics page of my
website.

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

I love to cook with wine. Sometimes I even put it in the food.
Click to expand...
Looks to me like a complicated field sync generator for a TV. ?
regards
john
 
On Fri, 12 Sep 2003 01:39:47 +0100, "John Jardine"
<john@jjdesigns.fsnet.co.uk> wrote:

Jim Thompson <Jim-T@golana-will-get-you.com> wrote in message
news:7432mv4qjteourrv602h0u3781so0qkoug@4ax.com...
Amusing Myself with how simple certain things can be solved with a
circuit !-)

See "WonderWhatThisIsGoodFor.pdf" on the S.E.D/Schematics page of my
website.

...Jim Thompson
[snip]

Looks to me like a complicated field sync generator for a TV. ?
regards
john
Click to expand...
Look more closely... the Input Signal is at the bottom of the page,
the output signal is at the top.

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

I love to cook with wine. Sometimes I even put it in the food.
 
I'm a little confused as to where the output is, but I'd say its either a
video scrambler or a descrambler. MUNGED looks like a scrambled signal in
that the horizontal sync pulse (front porch, sync tip, back porch, and
presumably color burst) are "pushed up" into the video field, but only for
the non-vertical sync portion of the field.

TV's cannot distinguish the horitonal sync from the video content, and that
results in 'tearing' of the image. However, its important that the field be
understood during the VITS interval so that the video decrambler can receive
the digital information on which channels to descramble.

The descramblers frequently use the stereo pilot (modified from 19KHz to
15750Hz (or so, I forget)), which is transmitted synchronous with the
horizontal sync from the original video feed and use it to "push down" the
horitontal sync back into place.

Am I Right? Do I win a prize!!! :~)
Dana

"Jim Thompson" <Jim-T@golana-will-get-you.com> wrote in message
news:7432mv4qjteourrv602h0u3781so0qkoug@4ax.com...
Amusing Myself with how simple certain things can be solved with a
circuit !-)

See "WonderWhatThisIsGoodFor.pdf" on the S.E.D/Schematics page of my
website.

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

I love to cook with wine. Sometimes I even put it in the food.
Click to expand...
 
"Jim Thompson" <Jim-T@golana-will-get-you.com> wrote in message
news:7432mv4qjteourrv602h0u3781so0qkoug@4ax.com...
Amusing Myself with how simple certain things can be solved with a
circuit !-)

See "WonderWhatThisIsGoodFor.pdf" on the S.E.D/Schematics page of my
website.

...Jim Thompson
Click to expand...
Since you don't tell us what it does it's good for nothing. That makes you a
crossposting troll. Congratulations.

Closest I can guess is it provides a trigger pulse for fields 1 or 5 on a
PAL/NTSC/SECAM system.

Pray And Learn
Never The Same Color (sic) Twice
Sometimes Even Colour Appears Momentarily

That's only because someone else designed one and I got to build it back
in..... oooh 1982 on a degree placement.. It wasn't a spice model and it
worked. It came with another bunch of stuff in CMOS that selected a
particular line from a particular field that triggered the thing that
recorded it.

Clever bloke, learnt some shit.

DNA

If you read my shit


---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.514 / Virus Database: 312 - Release Date: 8/29/03
 
On Fri, 12 Sep 2003 03:13:54 +0100, "Genome" <Genome@not.here.com>
wrote:

"Jim Thompson" <Jim-T@golana-will-get-you.com> wrote in message
news:7432mv4qjteourrv602h0u3781so0qkoug@4ax.com...
Amusing Myself with how simple certain things can be solved with a
circuit !-)

See "WonderWhatThisIsGoodFor.pdf" on the S.E.D/Schematics page of my
website.

...Jim Thompson

Since you don't tell us what it does it's good for nothing. That makes you a
crossposting troll. Congratulations.

Closest I can guess is it provides a trigger pulse for fields 1 or 5 on a
PAL/NTSC/SECAM system.

Pray And Learn
Never The Same Color (sic) Twice
Sometimes Even Colour Appears Momentarily

That's only because someone else designed one and I got to build it back
in..... oooh 1982 on a degree placement.. It wasn't a spice model and it
worked. It came with another bunch of stuff in CMOS that selected a
particular line from a particular field that triggered the thing that
recorded it.

Clever bloke, learnt some shit.

DNA

If you read my shit
Click to expand...
Rarely, you're generally so rude I think you must be French ;-)

The circuit extracts sync from a (Jerrold-style) suppressed sync
signal. Uses two one-shots and some gating. Once sync is found in
the (clean) VBI it know where to look thenceforth by suppressing the
garbage in the next ~63.5us, re-syncing the one-shots each line.

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

I love to cook with wine. Sometimes I even put it in the food.
 
"Jim Thompson" <Jim-T@golana-will-get-you.com> wrote in message
news:7sc2mv4gqdcm19sh5edn84fl2jjapdtlg5@4ax.com...
On Fri, 12 Sep 2003 03:13:54 +0100, "Genome" <Genome@not.here.com
wrote:


"Jim Thompson" <Jim-T@golana-will-get-you.com> wrote in message
news:7432mv4qjteourrv602h0u3781so0qkoug@4ax.com...
Amusing Myself with how simple certain things can be solved with a
circuit !-)

See "WonderWhatThisIsGoodFor.pdf" on the S.E.D/Schematics page of my
website.

...Jim Thompson

Since you don't tell us what it does it's good for nothing. That makes
you a
crossposting troll. Congratulations.

Closest I can guess is it provides a trigger pulse for fields 1 or 5 on a
PAL/NTSC/SECAM system.

Pray And Learn
Never The Same Color (sic) Twice
Sometimes Even Colour Appears Momentarily

That's only because someone else designed one and I got to build it back
in..... oooh 1982 on a degree placement.. It wasn't a spice model and it
worked. It came with another bunch of stuff in CMOS that selected a
particular line from a particular field that triggered the thing that
recorded it.

Clever bloke, learnt some shit.

DNA

If you read my shit


Rarely, you're generally so rude I think you must be French ;-)

The circuit extracts sync from a (Jerrold-style) suppressed sync
signal. Uses two one-shots and some gating. Once sync is found in
the (clean) VBI it know where to look thenceforth by suppressing the
garbage in the next ~63.5us, re-syncing the one-shots each line.

...Jim Thompson
Click to expand...
Didn't understand that so..... 'it's fuck all use'.

Excellent. Where can I not buy one? :>)

DNA


---
Outgoing mail is certified Virus Free.
Checked by AVG anti-virus system (http://www.grisoft.com).
Version: 6.0.514 / Virus Database: 312 - Release Date: 8/29/03
 
So, I got it right then!
WooHoo!
Dana

"Jim Thompson" <Jim-T@golana-will-get-you.com> wrote in message
news:7sc2mv4gqdcm19sh5edn84fl2jjapdtlg5@4ax.com...
On Fri, 12 Sep 2003 03:13:54 +0100, "Genome" <Genome@not.here.com
wrote:


"Jim Thompson" <Jim-T@golana-will-get-you.com> wrote in message
news:7432mv4qjteourrv602h0u3781so0qkoug@4ax.com...
Amusing Myself with how simple certain things can be solved with a
circuit !-)

See "WonderWhatThisIsGoodFor.pdf" on the S.E.D/Schematics page of my
website.

...Jim Thompson

Since you don't tell us what it does it's good for nothing. That makes
you a
crossposting troll. Congratulations.

Closest I can guess is it provides a trigger pulse for fields 1 or 5 on a
PAL/NTSC/SECAM system.

Pray And Learn
Never The Same Color (sic) Twice
Sometimes Even Colour Appears Momentarily

That's only because someone else designed one and I got to build it back
in..... oooh 1982 on a degree placement.. It wasn't a spice model and it
worked. It came with another bunch of stuff in CMOS that selected a
particular line from a particular field that triggered the thing that
recorded it.

Clever bloke, learnt some shit.

DNA

If you read my shit


Rarely, you're generally so rude I think you must be French ;-)

The circuit extracts sync from a (Jerrold-style) suppressed sync
signal. Uses two one-shots and some gating. Once sync is found in
the (clean) VBI it know where to look thenceforth by suppressing the
garbage in the next ~63.5us, re-syncing the one-shots each line.

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

I love to cook with wine. Sometimes I even put it in the food.
Click to expand...
 
"Genome" <Genome@not.here.com> wrote in message
news:JY98b.980$P14.319@newsfep1-gui.server.ntli.net...

<snip>

PAL/NTSC/SECAM system.

Pray And Learn
Never The Same Color (sic) Twice
Sometimes Even Colour Appears Momentarily
Click to expand...
I heard....

Pale And Lukewarm
No Two Similar Colours
Sickly European Colour Almost Monochrome

Chris
 
On Fri, 12 Sep 2003 09:18:15 GMT, "\(one of the\) Chris Evans"
<chris.evans@hp.com> wrote:

"Genome" <Genome@not.here.com> wrote in message
news:JY98b.980$P14.319@newsfep1-gui.server.ntli.net...

Pray And Learn
Never The Same Color (sic) Twice
Sometimes Even Colour Appears Momentarily

I heard....

Pale And Lukewarm
No Two Similar Colours
Sickly European Colour Almost Monochrome
Click to expand...
Never Twice the Same Colour
System Essentially Contrary to the American Method
Perfection At Last











--
Peter Bennett VE7CEI
GPS and NMEA info and programs: http://vancouver-webpages.com/peter/index.html
Newsgroup new user info: http://vancouver-webpages.com/nnq
 
On Sun, 14 Sep 2003 08:59:58 -0700, Watson A.Name - "Watt Sun"
<alondra101@hotmail.com> wrote:

In article <7432mv4qjteourrv602h0u3781so0qkoug@4ax.com>, Jim-T@golana-
will-get-you.com mentioned...
Amusing Myself with how simple certain things can be solved with a
circuit !-)

See "WonderWhatThisIsGoodFor.pdf" on the S.E.D/Schematics page of my
website.

...Jim Thompson

Should be between Water... and WWVB..., but I don't see it.
Click to expand...
I pulled it as potentially illegal. Don't know why I had the urge to
post it in the first place.

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

I love to cook with wine. Sometimes I even put it in the food.
 
In article <7432mv4qjteourrv602h0u3781so0qkoug@4ax.com>, Jim-T@golana-
will-get-you.com mentioned...
Amusing Myself with how simple certain things can be solved with a
circuit !-)

See "WonderWhatThisIsGoodFor.pdf" on the S.E.D/Schematics page of my
website.

...Jim Thompson
Click to expand...
Should be between Water... and WWVB..., but I don't see it.


--
@@F@r@o@m@@O@r@a@n@g@e@@C@o@u@n@t@y@,@@C@a@l@,@@w@h@e@r@e@@
###Got a Question about ELECTRONICS? Check HERE First:###
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Subject: line with other stuff. alondra101 <at> hotmail.com
Don't be ripped off by the big book dealers. Go to the URL
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Jim Thompson wrote:

I pulled it as potentially illegal. Don't know why I had the urge to
post it in the first place.

...Jim Thompson
Click to expand...
Some eastern European is furiously at work making it into a kit for sale
by SPAM right now.........
 
On Sun, 14 Sep 2003 16:13:09 GMT, Fred Bloggs <nospam@nospam.com>
wrote:

Jim Thompson wrote:



I pulled it as potentially illegal. Don't know why I had the urge to
post it in the first place.

...Jim Thompson

Some eastern European is furiously at work making it into a kit for sale
by SPAM right now.........
Click to expand...
Could be, but there's several required elements missing from the
"conceptual" representation that a non-EE would have real problems
with.

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

I love to cook with wine. Sometimes I even put it in the food.
 
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