Monday, 28 April 2014

Re: [Amateur-repairs] Digital Readout for receivers and Vintage test equipment

 

On 28 Apr 2014 17:20:26 -0700, <paw_paw44036@yahoo.com> wrote:

>I haven't checked this out yet, maybe you can. I've been told by a couple fellow hams that the Alinco is a cheap version of a Kenwood. Made by Kenwood to Alinco spec. If anyone knows otherwise I will stand corrected.

This would be interesting indeed if it turns out to be true.

Donald

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Re: [Amateur-repairs] Digital Readout for receivers and Vintage test equipment

 

Whoops! I replied to the wrong thread.

Very sorry, folks!

I'll re-reply to the correct thread.

Donald

On Mon, 28 Apr 2014 19:37:44 -0400, donhellen@roadrunner.com wrote:

>Someone mentioned Alinco rigs off-list. How do these stack up against
>the big three Japanese brands (Yaesu, Kenwood, Icom) or the newer
>Chinese brand(s). I think I saw a Chinese brand rig with HF through 6M
>or even 2M for around $600 new. No idea if they're worth the price.
>New doesn't necessarily mean good, if you know what I mean.
>
>
>---
>This email is free from viruses and malware because avast! Antivirus protection is active.
>http://www.avast.com

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Re: [Amateur-repairs] Digital Readout for receivers and Vintage test equipment

 

I haven't checked this out yet, maybe you can. I've been told by a couple fellow hams that the Alinco is a cheap version of a Kenwood. Made by Kenwood to Alinco spec. If anyone knows otherwise I will stand corrected.

Please advise.

Bill WD8OSj

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Re: [Amateur-repairs] Digital Readout for receivers and Vintage test equipment

 

Someone mentioned Alinco rigs off-list. How do these stack up against
the big three Japanese brands (Yaesu, Kenwood, Icom) or the newer
Chinese brand(s). I think I saw a Chinese brand rig with HF through 6M
or even 2M for around $600 new. No idea if they're worth the price.
New doesn't necessarily mean good, if you know what I mean.

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Re: [Amateur-repairs] Digital Readout for receivers and Vintage test equipment

 

Thanks Dave, Here is a list of some of my equipment.

Model 112 Wavetek Function Generator
     
Model 2050 B&K Signal Generator
     
S-20R Hallicrafters Sky Champion Rx
 
AR-3 Heathkit AM/CW Rx
SX-111  Mark I Hallicrafters HF/CW Rx
   
Exact Electronics Model 121 Sweep Function Gen

On Mon, Apr 28, 2014 at 4:28 PM, Dave ve3wej <ve3wej@gmail.com> wrote:
 

This might be easier to answer if you had a specific make and model in mind.  some are easier to do, because they may already have an add on
like the ts520 , they had the dg5.

also it might give the smarter than me  techs a better idea of I.F. and whatever else is needed
On transmit frequency counter is easier, but does not help on receive


​

Dave Garber
VE3WEJ / VE3IE


On Mon, Apr 28, 2014 at 12:46 PM, <danyoder.cs@gmail.com> wrote:



Hi All,

 

  Can anyone tell me the easy approach to adding a frequency counter or digital readout to a rf generator or a function generator?

 

Thanks





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Re: [Amateur-repairs] Digital Readout for receivers and Vintage test equipment

 

This might be easier to answer if you had a specific make and model in mind.  some are easier to do, because they may already have an add on
like the ts520 , they had the dg5.

also it might give the smarter than me  techs a better idea of I.F. and whatever else is needed
On transmit frequency counter is easier, but does not help on receive


​

Dave Garber
VE3WEJ / VE3IE


On Mon, Apr 28, 2014 at 12:46 PM, <danyoder.cs@gmail.com> wrote:



Hi All,

 

  Can anyone tell me the easy approach to adding a frequency counter or digital readout to a rf generator or a function generator?

 

Thanks


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[Amateur-repairs] Digital Readout for receivers and Vintage test equipment

 


Hi All,

 

  Can anyone tell me the easy approach to adding a frequency counter or digital readout to a rf generator or a function generator?

 

Thanks

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Saturday, 19 April 2014

[atlas_craftsman] test message; please ignore

 

Rick

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[atlas_craftsman] Test message, please ignore

 



Rick

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Monday, 14 April 2014

RE: [Homebrew_PCBs] Test pattern for tuning UV

 

And if that is not enough test lines there is:

http://www.vinland.com/USAF-1951.html

 

It includes slightly offset lines which is the worst case condition.

Bertho

 

 

 

From: Homebrew_PCBs@yahoogroups.com [mailto:Homebrew_PCBs@yahoogroups.com] On Behalf Of DJ Delorie
Sent: Monday, April 14, 2014 14:32
To: Homebrew_PCBs@yahoogroups.com
Subject: Re: [Homebrew_PCBs] Test pattern for tuning UV

 

 


James <bitsyboffin@gmail.com> writes:
> I couldn't find a simple small test pattern in a usable (gerber) format,

I have more if you need them:

http://www.delorie.com/pcb/spirals/
http://www.delorie.com/pcb/bloat.gbr

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Re: [Homebrew_PCBs] Test pattern for tuning UV

 


James <bitsyboffin@gmail.com> writes:
> I couldn't find a simple small test pattern in a usable (gerber) format,

I have more if you need them:

http://www.delorie.com/pcb/spirals/
http://www.delorie.com/pcb/bloat.gbr

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[Homebrew_PCBs] Test pattern for tuning UV

 

I rebuilt my UV box with 9 rows of 12 leds covering an A4 area, I had to
use a diffuser in the end otherwise because of the fairly wide spacing
the led mounting was too critical to get a good even spread (even with
the leds 15cm away from the artwork).

Anyway, I wanted to dial in the numbers a bit particularly because of
the diffuser I was concerned that the resolution wouldn't be there
(turns out, nothing to worry about, 8/8 seems just fine, I'm never going
to want less than that).

I couldn't find a simple small test pattern in a usable (gerber) format,
so I made my own, perhaps somebody might find it useful also one day.

Lines from 8 to 18mil, separations from 8 to 16mil, holes 0.8mm and
1.1mm with 0.2mm, 0.35mm and 0.5mm rings, 1206,0806,0603 and 0402 pads,
and a minimelf for no particular reason.

All repeated 5 times for a stepped exposure to home in on the right time
(which turned out to be around 3m30s, but there is a massive amount of
leeway, probably a minute either side is usable).

Anyway, here it is on github, gerber and pdf

https://github.com/sleemanj/pcb-test-pattern

you can use the Download Zip button on the right side of the page if you
just want the files and not mess with git.

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