delorie.com/archives/browse.cgi   search  
Mail Archives: geda-user/2018/07/17/19:44:43

X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient: geda-user AT delorie DOT com
X-TCPREMOTEIP: 98.110.213.40
X-Authenticated-UID: jpd AT noqsi DOT com
From: John Doty <jpd AT noqsi DOT com>
Mime-Version: 1.0 (Mac OS X Mail 10.3 \(3273\))
Subject: Re: [geda-user] How to define for an exposed pad to connect to 3
pins/pads
Date: Tue, 17 Jul 2018 19:43:32 -0400
References: <xnmuuy6a7j DOT fsf AT envy DOT delorie DOT com>
<910e5ecd-24a2-fdb6-432a-0fa913cf3559 AT neurotica DOT com>
<0dd0f101-93ae-1126-ab61-7d9d16886f78 AT ecosensory DOT com>
<CALSZ9gqBHoCnie-Cuk3wV2nvMW9-cK3gWN-ZKKGsYFKBnPPLrQ AT mail DOT gmail DOT com>
<CALSZ9gqwgiumLniqndvBx2wTcwWEJfY2YxgALUQ7Kp-dUZPwBg AT mail DOT gmail DOT com>
<s6nlgahj3ih DOT fsf AT falbala DOT ieap DOT uni-kiel DOT de>
<CALSZ9go7WnqUnU0y2uhnBJQP2=LBfV=Z8di=9nhrJG_q6Khp6g AT mail DOT gmail DOT com>
<CALSZ9gpzRD4-m21HXkoRdLUbewYPrsJcMapSKBPj3ek2LQAnBg AT mail DOT gmail DOT com>
<20180711180601 DOT 764ace616542cb8e00831933 AT gmail DOT com>
<CALSZ9grtHiS67asvOfEpQvtd+0V0x0ga-9xGcYwxLWq7T0G=hA AT mail DOT gmail DOT com>
<CALSZ9gqcUsDbq4j6fpPSBb5dV+_mqhYxBSNb1WuWNQygru8=wg AT mail DOT gmail DOT com>
To: "Bert Timmerman (bert DOT timmerman AT xs4all DOT nl) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
In-Reply-To: <CALSZ9gqcUsDbq4j6fpPSBb5dV+_mqhYxBSNb1WuWNQygru8=wg@mail.gmail.com>
Message-Id: <C677AC14-A497-41CC-A383-24893346436F@noqsi.com>
X-Mailer: Apple Mail (2.3273)
Reply-To: geda-user AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: geda-user AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com 

--Apple-Mail=_46098D84-FB01-4B0F-8A6E-BD91568F78F2
Content-Transfer-Encoding: quoted-printable
Content-Type: text/plain;
	charset=utf-8


> On Jul 17, 2018, at 3:53 PM, Rob Butts (r DOT butts2 AT gmail DOT com) [via =
geda-user AT delorie DOT com] <geda-user AT delorie DOT com> wrote:
>=20
> So now I have an 8 pin mosfet where the D is pins 5 - 8.  The =
component has an exposed pad that goes across the pins 5 - 8.  How can I =
do the symbol net=3D"netname":"pin" so that pins 5-8 and the exposed pad =
(pin 9) are all connected?

For this case, net=3D attributes are clumsy. One way is to draw a symbol =
with as many pins as needed, and then move the pins that need to go to =
the same net to the same place, with their connection ends at the same =
point. This =E2=80=9Cshorts=E2=80=9D them together automatically. =
Here=E2=80=99s a symbol for a MOSFET in an 18 pin package:


John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd AT noqsi DOT com



--Apple-Mail=_46098D84-FB01-4B0F-8A6E-BD91568F78F2
Content-Type: multipart/mixed;
	boundary="Apple-Mail=_8792F490-B879-43E6-B08E-7CBDED61682F"


--Apple-Mail=_8792F490-B879-43E6-B08E-7CBDED61682F
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=utf-8

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dutf-8"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><br class=3D""><div><blockquote type=3D"cite" class=3D""><div =
class=3D"">On Jul 17, 2018, at 3:53 PM, Rob Butts (<a =
href=3D"mailto:r DOT butts2 AT gmail DOT com" class=3D"">r DOT butts2 AT gmail DOT com</a>) =
[via <a href=3D"mailto:geda-user AT delorie DOT com" =
class=3D"">geda-user AT delorie DOT com</a>] &lt;<a =
href=3D"mailto:geda-user AT delorie DOT com" =
class=3D"">geda-user AT delorie DOT com</a>&gt; wrote:</div><br =
class=3D"Apple-interchange-newline"><div class=3D""><div dir=3D"ltr" =
class=3D"">So now I have an 8 pin mosfet where the D is pins 5 - =
8.&nbsp; The component has an exposed pad that goes across the pins 5 - =
8.&nbsp; How can I do the symbol net=3D"netname":"pin" so that pins 5-8 =
and the exposed pad (pin 9) are all connected?<br =
class=3D""></div></div></blockquote><br class=3D""></div><div>For this =
case, net=3D attributes are clumsy. One way is to draw a symbol with as =
many pins as needed, and then move the pins that need to go to the same =
net to the same place, with their connection ends at the same point. =
This =E2=80=9Cshorts=E2=80=9D them together automatically. Here=E2=80=99s =
a symbol for a MOSFET in an 18 pin package:</div><div><br =
class=3D""></div><div></div></body></html>=

--Apple-Mail=_8792F490-B879-43E6-B08E-7CBDED61682F
Content-Disposition: attachment;
	filename=NMOS.sym
Content-Type: application/octet-stream;
	x-unix-mode=0644;
	name="NMOS.sym"
Content-Transfer-Encoding: 7bit

v 20130925 2
T 600 500 5 10 0 0 0 0 1
device=NMOS_TRANSISTOR
T 600 500 5 10 0 0 0 0 1
numslots=0
T 600 500 5 10 0 0 0 0 1
description=generic N channel MOS transistor (enhancement type)
L 250 600 500 600 3 0 0 0 -1 -1
L 250 200 500 200 3 0 0 0 -1 -1
L 250 400 350 450 3 0 0 0 -1 -1
L 250 400 350 350 3 0 0 0 -1 -1
P 0 200 200 200 1 0 0
{
T 0 300 5 10 0 1 0 0 1
pinnumber=4
T 0 300 9 10 0 1 0 0 1
pinlabel=G
T 0 300 5 10 0 0 0 0 1
pinseq=4
T 0 300 5 10 0 0 0 0 1
pintype=pas
}
P 500 600 500 800 1 0 1
{
T 300 700 5 10 0 1 0 0 1
pinnumber=15
T 300 700 9 10 0 1 0 0 1
pinlabel=D
T 300 700 5 10 0 0 0 0 1
pinseq=15
T 300 700 5 10 0 0 0 0 1
pintype=pas
}
P 500 200 500 0 1 0 1
{
T 300 0 5 10 0 1 0 0 1
pinnumber=6
T 300 0 9 10 0 1 0 0 1
pinlabel=S
T 300 0 5 10 0 0 0 0 1
pinseq=6
T 300 0 5 10 0 0 0 0 1
pintype=pas
}
T 700 600 8 10 1 1 0 0 1
refdes=Q?
L 250 675 250 525 3 0 0 0 -1 -1
L 250 475 250 325 3 0 0 0 -1 -1
L 250 275 250 125 3 0 0 0 -1 -1
L 200 600 200 200 3 0 0 0 -1 -1
L 250 400 400 400 3 0 0 0 -1 -1
L 400 400 400 200 3 0 0 0 -1 -1
T 200 1600 5 10 0 0 0 0 1
footprint=18LCC
T 200 1400 5 10 0 0 0 0 1
spice-prototype=X? #1 #4 #6 model-name@
T 200 1200 5 10 0 0 0 0 1
model-name=irfru220n
T 200 1000 5 10 0 0 0 0 1
value=IRFE220
P 500 200 500 0 1 0 1
{
T 300 0 5 10 0 1 0 0 1
pinnumber=7
T 300 0 9 10 0 1 0 0 1
pinlabel=S
T 300 0 5 10 0 0 0 0 1
pinseq=7
T 300 0 5 10 0 0 0 0 1
pintype=pas
}
P 500 200 500 0 1 0 1
{
T 300 0 5 10 0 1 0 0 1
pinnumber=8
T 300 0 9 10 0 1 0 0 1
pinlabel=S
T 300 0 5 10 0 0 0 0 1
pinseq=8
T 300 0 5 10 0 0 0 0 1
pintype=pas
}
P 500 200 500 0 1 0 1
{
T 300 0 5 10 0 1 0 0 1
pinnumber=9
T 300 0 9 10 0 1 0 0 1
pinlabel=S
T 300 0 5 10 0 0 0 0 1
pinseq=9
T 300 0 5 10 0 0 0 0 1
pintype=pas
}
P 500 200 500 0 1 0 1
{
T 300 0 5 10 0 1 0 0 1
pinnumber=10
T 300 0 9 10 0 1 0 0 1
pinlabel=S
T 300 0 5 10 0 0 0 0 1
pinseq=10
T 300 0 5 10 0 0 0 0 1
pintype=pas
}
P 500 200 500 0 1 0 1
{
T 300 0 5 10 0 1 0 0 1
pinnumber=11
T 300 0 9 10 0 1 0 0 1
pinlabel=S
T 300 0 5 10 0 0 0 0 1
pinseq=11
T 300 0 5 10 0 0 0 0 1
pintype=pas
}
P 500 200 500 0 1 0 1
{
T 300 0 5 10 0 1 0 0 1
pinnumber=12
T 300 0 9 10 0 1 0 0 1
pinlabel=S
T 300 0 5 10 0 0 0 0 1
pinseq=12
T 300 0 5 10 0 0 0 0 1
pintype=pas
}
P 500 200 500 0 1 0 1
{
T 300 0 5 10 0 1 0 0 1
pinnumber=13
T 300 0 9 10 0 1 0 0 1
pinlabel=S
T 300 0 5 10 0 0 0 0 1
pinseq=13
T 300 0 5 10 0 0 0 0 1
pintype=pas
}
P 500 600 500 800 1 0 1
{
T 300 700 5 10 0 1 0 0 1
pinnumber=16
T 300 700 9 10 0 1 0 0 1
pinlabel=D
T 300 700 5 10 0 0 0 0 1
pinseq=16
T 300 700 5 10 0 0 0 0 1
pintype=pas
}
P 500 600 500 800 1 0 1
{
T 300 700 5 10 0 1 0 0 1
pinnumber=17
T 300 700 9 10 0 1 0 0 1
pinlabel=D
T 300 700 5 10 0 0 0 0 1
pinseq=17
T 300 700 5 10 0 0 0 0 1
pintype=pas
}
P 500 600 500 800 1 0 1
{
T 300 700 5 10 0 1 0 0 1
pinnumber=18
T 300 700 9 10 0 1 0 0 1
pinlabel=D
T 300 700 5 10 0 0 0 0 1
pinseq=18
T 300 700 5 10 0 0 0 0 1
pintype=pas
}
P 500 600 500 800 1 0 1
{
T 300 700 5 10 0 1 0 0 1
pinnumber=1
T 300 700 9 10 0 1 0 0 1
pinlabel=D
T 300 700 5 10 0 0 0 0 1
pinseq=1
T 300 700 5 10 0 0 0 0 1
pintype=pas
}
P 500 600 500 800 1 0 1
{
T 300 700 5 10 0 1 0 0 1
pinnumber=2
T 300 700 9 10 0 1 0 0 1
pinlabel=D
T 300 700 5 10 0 0 0 0 1
pinseq=2
T 300 700 5 10 0 0 0 0 1
pintype=pas
}
P 0 200 200 200 1 0 0
{
T 0 300 5 10 0 1 0 0 1
pinnumber=5
T 0 300 9 10 0 1 0 0 1
pinlabel=G
T 0 300 5 10 0 0 0 0 1
pinseq=5
T 0 300 5 10 0 0 0 0 1
pintype=pas
}
T 200 2000 8 10 0 0 0 0 1
pins=18
T 200 1800 8 10 0 0 0 0 1
pins-used=16

--Apple-Mail=_8792F490-B879-43E6-B08E-7CBDED61682F
Content-Transfer-Encoding: quoted-printable
Content-Type: text/html;
	charset=us-ascii

<html><head><meta http-equiv=3D"Content-Type" content=3D"text/html =
charset=3Dus-ascii"></head><body style=3D"word-wrap: break-word; =
-webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" =
class=3D""><div></div><br class=3D""><div class=3D"">
<span class=3D"Apple-style-span" style=3D"border-collapse: separate; =
border-spacing: 0px; font-variant-ligatures: normal; =
font-variant-east-asian: normal; font-variant-position: normal; =
line-height: normal;"><span class=3D"Apple-style-span" =
style=3D"border-collapse: separate; border-spacing: 0px 0px; color: =
rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: =
normal; font-variant: normal; font-weight: normal; letter-spacing: =
normal; line-height: normal; text-align: auto; =
-khtml-text-decorations-in-effect: none; text-indent: 0px; =
-apple-text-size-adjust: auto; text-transform: none; orphans: 2; =
white-space: normal; widows: 2; word-spacing: 0px; "><p style=3D"margin: =
0.0px 0.0px 0.0px 0.0px" class=3D""><font face=3D"Helvetica" size=3D"3" =
style=3D"font: 12.0px Helvetica" class=3D"">John Doty<span =
class=3D"Apple-converted-space">&nbsp; &nbsp; &nbsp; &nbsp; &nbsp;<span =
class=3D"Apple-converted-space">&nbsp;</span><span =
class=3D"Apple-converted-tab">&nbsp; &nbsp;<span =
class=3D"Apple-converted-space">&nbsp;</span></span></span>Noqsi =
Aerospace, Ltd.</font></p><p style=3D"margin: 0.0px 0.0px 0.0px 0.0px" =
class=3D""><a href=3D"http://www.noqsi.com/" =
class=3D"">http://www.noqsi.com/</a></p><p style=3D"margin: 0.0px 0.0px =
0.0px 0.0px" class=3D""><font face=3D"Helvetica" size=3D"3" style=3D"font:=
 12.0px Helvetica" class=3D""><a href=3D"mailto:jpd AT noqsi DOT com" =
class=3D"">jpd AT noqsi DOT com</a></font></p><br =
class=3D"Apple-interchange-newline"></span></span>
</div>
<br class=3D""></body></html>=

--Apple-Mail=_8792F490-B879-43E6-B08E-7CBDED61682F--

--Apple-Mail=_46098D84-FB01-4B0F-8A6E-BD91568F78F2--

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019