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Now I want to build one to have on hand as a spare.
Care to share a schematic?
Cliff
Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=3D550986> for Window=
s
Sent: Wednesday, June 1, 2022 2:19 PM
Subject: Re: [TR] TR4/6 Voltage Stabilizer
I go way beyond that. First I use a 1N4004 to protect against negative-goi=
ng spikes (which car be as high as -80 volts), then I place a 15V Zener or =
TVS to clamp any positive-going pulses (which can be as high as 120V). Dep=
ending on the application I also include a low value resistor or polyfuse t=
o limit the current the TVS needs to sink. Then there is the input filter =
as you pointed out.
This may be a bit of overkill but without the ability to test for optimum a=
nd considering I'm only going to build a few (or one) of these things a lit=
tle overkill is cheap insurance.
Dave
-----Original Message-----
From: Anthony Rhodes <spamiam@comcast.net>
To: triumphs@autox.team.net
Cc: billbrewer59@yahoo.com
Sent: Wed, Jun 1, 2022 1:40 pm
Subject: Re: [TR] TR4/6 Voltage Stabilizer
I built my own voltage stabilizer.
At the time, Moss had one that used a diode and a transistor as a form of a=
crude shunt regulator.
I used a LM2940=9610 automotive low dropout 10 V analog regulator.
Sense and I have seen photographs of the guts of the newer electronic regul=
ators. It appears they use a single voltage regulator with no other compone=
nts around it.
As I recall, These used a through hole TO 220 device with the legs bent ov=
er 90 degrees and no heat sinking.
Not ideal
All these analog regulators need proper capacitors on the input in output s=
ide of the regulator.
My regulator with the LM 2940=9610 has been in use since probably about 200=
4 with no problems in a TR4A
I can give further details, schematics, etc. to people if they are interest=
ed.
-Tony
>
hs-request@autox.team.net> wrote:
>
> Message: 1
> Date: Tue, 31 May 2022 19:12:36 -0700
m>>
>
> Subject: [TR] TR4/6 Voltage Stabilizer
8c-ffbf-4d70-5f30-9e75ceb2468c@yahoo.com>>
> Content-Type: text/plain; charset=3D"utf-8"; Format=3D"flowed"
>
> ???? I have a TR4 temperature gauge in my TR3. The Moss gauge voltage
> stabilizer only lasted a few thousand miles and the quit outputting the
> 10 volts. Anybody else having short lifespans on their voltage
> stabilizers? Are there better ones out there? Moss makes a big deal
> about "Modern electronics in a vintage style housing". Screw the vintage
> style housing, I want dependability. Is there an aftermarket one that
> has a long life?
Archive: http://www.team.net/pipermail/triumphs http://www.team.net/archive
sey@cs.com
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<div class=3D"WordSection1">
<p class=3D"MsoNormal">Now I want to build one to have on hand as a spare.<=
/p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">Care to share a schematic?</p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">Cliff</p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<p class=3D"MsoNormal">Sent from <a href=3D"https://go.microsoft.com/fwlink=
/?LinkId=3D550986">
Mail</a> for Windows</p>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<div style=3D"mso-element:para-border-div;border:none;border-top:solid #E1E=
1E1 1.0pt;padding:3.0pt 0in 0in 0in">
<p class=3D"MsoNormal" style=3D"border:none;padding:0in"><b>From: </b><a hr=
ef=3D"mailto:dave1massey@cs.com";>DAVID MASSEY</a><br>
<b>Sent: </b>Wednesday, June 1, 2022 2:19 PM<br>
<b>To: </b><a href=3D"mailto:spamiam@comcast.net";>spamiam@comcast.net</a>; =
<a href=3D"mailto:triumphs@autox.team.net";>
triumphs@autox.team.net</a><br>
<b>Cc: </b><a href=3D"mailto:billbrewer59@yahoo.com";>billbrewer59@yahoo.com=
</a><br>
<b>Subject: </b>Re: [TR] TR4/6 Voltage Stabilizer</p>
</div>
<p class=3D"MsoNormal"><o:p> </o:p></p>
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:"Ar=
ial",sans-serif;color:black">I go way beyond that. First I use a=
1N4004 to protect against negative-going spikes (which car be as high as -=
80 volts), then I place a 15V Zener or TVS to clamp
any positive-going pulses (which can be as high as 120V). Depending =
on the application I also include a low value resistor or polyfuse to limit=
the current the TVS needs to sink. Then there is the input filter as=
you pointed out.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:"Ar=
ial",sans-serif;color:black">This may be a bit of overkill but without=
the ability to test for optimum and considering I'm only going to build a =
few (or one) of these things a little overkill
is cheap insurance.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:13.5pt;font-family:"Ar=
ial",sans-serif;color:black">Dave
</span><span style=3D"font-size:12.0pt;font-family:"Arial",sans-s=
erif;color:black"><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:12.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal" style=3D"margin-bottom:12.0pt"><span style=3D"font-s=
ize:10.0pt;font-family:"Arial",sans-serif;color:black">-----Origi=
nal Message-----<br>
From: Anthony Rhodes <spamiam@comcast.net><br>
To: triumphs@autox.team.net<br>
Cc: billbrewer59@yahoo.com<br>
Sent: Wed, Jun 1, 2022 1:40 pm<br>
Subject: Re: [TR] TR4/6 Voltage Stabilizer<o:p></o:p></span></p>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">I built my own voltage stabilizer.<o:p></=
o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">At the time, Moss had one that used a dio=
de and a transistor as a form of a crude shunt regulator.<o:p></o:p></span>=
</p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">I used a LM2940=9610 automotive low dropo=
ut 10 V analog regulator.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">Sense and I have seen photographs of the =
guts of the newer electronic regulators. It appears they use a single volta=
ge regulator with no other components around it.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">As I recall, These used a through h=
ole TO 220 device with the legs bent over 90 degrees and no heat sinking.<o=
:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">Not ideal<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">All these analog regulators need proper c=
apacitors on the input in output side of the regulator.<o:p></o:p></span></=
p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">My regulator with the LM 2940=9610 has be=
en in use since probably about 2004 with no problems in a TR4A<o:p></o:p></=
span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">I can give further details, schematics, e=
tc. to people if they are interested.<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">-Tony<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">>
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> On Jun 1, 2022, at 2:01 PM,
<a href=3D"mailto:triumphs-request@autox.team.net";>triumphs-request@autox.t=
eam.net</a> wrote:<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">>
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> Message: 1<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> Date: Tue, 31 May 2022 19:12:36 -070=
0<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> From: William Brewer <<a href=3D"=
mailto:billbrewer59@yahoo.com";>billbrewer59@yahoo.com</a>><o:p></o:p></s=
pan></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> To: Triumph List <<a href=3D"mail=
to:triumphs@autox.team.net">triumphs@autox.team.net</a>><o:p></o:p></spa=
n></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> Subject: [TR] TR4/6 Voltage Stabiliz=
er<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> Message-ID: <<a href=3D"mailto:4b=
9c278c-ffbf-4d70-5f30-9e75ceb2468c@yahoo.com">4b9c278c-ffbf-4d70-5f30-9e75c=
eb2468c@yahoo.com</a>><o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> Content-Type: text/plain; charset=3D=
"utf-8"; Format=3D"flowed"<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">>
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> ???? I have a TR4 temperature gauge =
in my TR3. The Moss gauge voltage
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> stabilizer only lasted a few thousan=
d miles and the quit outputting the
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> 10 volts. Anybody else having short =
lifespans on their voltage
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> stabilizers? Are there better ones o=
ut there? Moss makes a big deal
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> about "Modern electronics in a =
vintage style housing". Screw the vintage
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> style housing, I want dependability.=
Is there an aftermarket one that
<o:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">> has a long life?<o:p></o:p></span></=
p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">**
<a href=3D"mailto:triumphs@autox.team.net";>triumphs@autox.team.net</a> **<o=
:p></o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black"><o:p> </o:p></span></p>
</div>
<div>
<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">Donate:
<a href=3D"http://www.team.net/donate.html"; target=3D"_blank">http://www.te=
am.net/donate.html</a><o:p></o:p></span></p>
</div>
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<p class=3D"MsoNormal"><span style=3D"font-size:10.0pt;font-family:"Ar=
ial",sans-serif;color:black">Archive:
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</a><a href=3D"http://www.team.net/archive"; target=3D"_blank">http://www.te=
am.net/archive</a><o:p></o:p></span></p>
</div>
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