SMD-based kits

[John A. Ross [Ecraft]]

> -----Original Message-----
> From: [hidden email]
> [mailto:[hidden email]] On Behalf Of wayne burdick
> Sent: 20 April 2005 06:09
> To: EricJ
> Cc: [hidden email]
> Subject: [Elecraft] Re: SMD-based kits and retirement [not!]
>
> Retire? Surely you jest. We're both in our forties. By the

Wayne
 
Aren't we all?   :-)

> -----Original Message-----
> From: Sandy [mailto:[hidden email]]
> Sent: 20 April 2005 00:36
> To: John A. Ross[RSDTV]; 'wayne burdick'; 'Elecraft Reflector'
> Subject: Re: [Elecraft] SMD-based kits
>
> I'll leave the "SMD stuff" to you younger guys with better
> eyesight than mine!

No-one has called me a "younger guy" for quite a bit, thanks Sandy

John

> time we'd want to retire, the retirement age would be in
> triple digits and social security won't be secure or
> sociable. We'll just keep designing cool stuff, and take our
> walkers to meetings. (Remember: old engineers never die; they
> just lose their scope.)
>
> Don't worry -- leaded parts aren't going away anytime soon.
> We still have access to every part we designed into the K2
> over five years ago.
> We'll pre-install SMD replacements in future kits should that
> become necessary. If SMDs start to dominate, we'll up-level
> the kits so that the builder is still working with small
> units: individual modules that are small PCBs with some or
> all SMDs. The way to think of them is as the next level of
> "integrated circuit." No one complains about parts on a chip.
>
> Bottom line: the kit experience isn't going away in our
> lifetime, whether or not everyone buys a second K2  ;)
>
> 73,
> Wayne
> N6KR
>
>
> On Apr 19, 2005, at 8:40 PM, EricJ wrote:
>
> >  I think that might hasten Wayne and Eric's retirement!!
> >
> > Eric
> > KE6US
> >
> > -----Original Message-----
> > From: [hidden email]
> > [mailto:[hidden email]] On Behalf Of
> > [hidden email]
> >
> >
> > We should all buy a spare K2 and put it in our attics. It
> may enable
> > us to hasten our retirements a few years!
>
> ---
>
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>
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[Jim Brown-10]

On Wed, 20 Apr 2005 12:25:50 -0500, Don Brown wrote:

>Some people think they sound better and musicians say they have
>a warmer sound (or is it just because the room is warmer).

It is well known among audio professionals that the perceived
"warmth" is nothing more than second harmonic distortion, AND the
absence of much higher order products (the ear is far more sensitive
to high order distortion, because they are less musical -- that is,
higher musical intervals). You can buy studio signal processing
products from a very well respected designer of mixing consoles that
are simply second harmonic generators. The "normal" setting of the
"warmth" control is at around 3-5%.

Jim Brown  K9YC


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[EricJ-2]

Wow! This changes everything! SMDs look less and less scary almost every
day. It's just a matter of a few new skills and the different tools. I knew
I shouldn't have thrown that old toaster oven in my garage away! I just KNEW
it!

Thanks for the link.

Eric
KE6US

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]] On Behalf Of Larry Phipps
Sent: Wednesday, April 20, 2005 10:25 AM
Cc: 'Elecraft Reflector'
Subject: Re: [Elecraft] SMD-based kits


Here's one link explaining it, there are others... do a Google search for
more.

http://www.beloev.net/gbvio.html

Larry N8LP



EricJ wrote:

> Toaster oven? My 19 year old son and I live alone. As a result there
>are a lot of strange melted substances draped over the heating coils in
>our toaster oven, but solder isn't one of them. Yet...are you serious
>or is "toaster oven" a slang word for some expensive SMD assembly
equipment?

>
>Eric
>KE6US
>
>-----Original Message-----
>From: [hidden email]
>[mailto:[hidden email]] On Behalf Of Larry Phipps
>
>I have no problem with SOIC parts, but the more popular SSOP and TSSOP
>parts are almost impossible to deal with unless you use some trick like
>a toaster oven to install the parts prior to other assembly.
>
>.
>
>  
>

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[John Harper AE5X]

Check this out for a possibly upcoming tube kit:
http://www.qsl.net/wb1gfh/hameco.html

John Harper AE5X
Portable QRP: http://www.ae5x.com


----- Original Message -----
From: "Ron D'Eau Claire" <[hidden email]>
To: "'Elecraft Reflector'" <[hidden email]>
Sent: Wednesday, April 20, 2005 1:33 PM
Subject: [Elecraft] Vacuum-tube Projects (WAS: SMD-based kits)


Larry, N8LP, wrote:

Don't knock tubes. My first kit was a Harmon Kardon stereo amplifier


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[Roland Whitsitt]

Man oh man, I think this is the kit I've been waiting for!  What a beauty!!
Roland N5VWN
----- Original Message -----
From: "John Harper AE5X" <[hidden email]>
To: "Ron D'Eau Claire" <[hidden email]>; "'Elecraft Reflector'"
<[hidden email]>
Sent: Wednesday, April 20, 2005 12:45 PM
Subject: Re: [Elecraft] Vacuum-tube Projects (WAS: SMD-based kits)

> Check this out for a possibly upcoming tube kit:
> http://www.qsl.net/wb1gfh/hameco.html
>
> John Harper AE5X
> Portable QRP: http://www.ae5x.com
>
>
> ----- Original Message -----
> From: "Ron D'Eau Claire" <[hidden email]>
> To: "'Elecraft Reflector'" <[hidden email]>
> Sent: Wednesday, April 20, 2005 1:33 PM
> Subject: [Elecraft] Vacuum-tube Projects (WAS: SMD-based kits)
>
>
> Larry, N8LP, wrote:
>
> Don't knock tubes. My first kit was a Harmon Kardon stereo amplifier
>
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[Robert-223]

How about the Glow Bug 40?
http://www.glowbugkits.com/
I built one and it's lots of fun.

Robert VE3RPF
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[John Zaruba Jr]

What would be really neat is sets of modules that are like block
diagrams. Various mixers , fixed frequency oscillators, maybe a vackar
VFO, DDS VFO, Tayloe detector, IF amps, detectors, mixers, etc. Publish
all the characterization data (input and output impedance, various
voltage requirements, etc.) along with them. Then you would be able to
plug the bits together to make different types of transmitters,
receivers, transverters, and such. Think of the mini module kits, but
more variety.

While I don't shy away from kit building, through hole or SMD,
functional blocks would allow people like mmyself to more easily
explore the design / engineering side of radio.

Just a thought,

73,

John AA2BN

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[Phil and Christina]

What memories!  My first Novice contacts (as WN8OSM) were with an Ameco AC-1
and a Heathkit HR-10.  I had one Xtal on each of 80m and 40m.  I kept
working the same novice on 80m each afternoon, because she also was rock
bound on that frequency.  I kept wanting to meet her for an eyeball QSO, but
it never happened.  I graduated to a Viking Challenger and then got a
Heathkit VF-1 VFO.  The frequency agility was exhilarating after Xtal
control.  I still have the AC-1 and need to get it out and put it back on
the air.  I may have to get a 7040kHz Xtal.  Thanks for the reminder.

73,

Phil Shepard
NS7P
K2 #4635

-----Original Message-----
From: [hidden email]
[mailto:[hidden email]]On Behalf Of Roland & Elvie
Whitsitt
Sent: Wednesday, April 20, 2005 1:04 PM
To: [hidden email]; John Harper AE5X
Subject: Re: [Elecraft] Vacuum-tube Projects (WAS: SMD-based kits)


Man oh man, I think this is the kit I've been waiting for!  What a beauty!!
Roland N5VWN
----- Original Message -----
From: "John Harper AE5X" <[hidden email]>
To: "Ron D'Eau Claire" <[hidden email]>; "'Elecraft Reflector'"
<[hidden email]>
Sent: Wednesday, April 20, 2005 12:45 PM
Subject: Re: [Elecraft] Vacuum-tube Projects (WAS: SMD-based kits)

> Check this out for a possibly upcoming tube kit:
> http://www.qsl.net/wb1gfh/hameco.html
>
> John Harper AE5X
> Portable QRP: http://www.ae5x.com
>
>
> ----- Original Message -----
> From: "Ron D'Eau Claire" <[hidden email]>
> To: "'Elecraft Reflector'" <[hidden email]>
> Sent: Wednesday, April 20, 2005 1:33 PM
> Subject: [Elecraft] Vacuum-tube Projects (WAS: SMD-based kits)
>
>
> Larry, N8LP, wrote:
>
> Don't knock tubes. My first kit was a Harmon Kardon stereo amplifier
>
> _______________________________________________
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