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To: | geda-user AT delorie DOT com |
From: | Rupert Swarbrick <rswarbrick AT gmail DOT com> |
Subject: | Re: [geda-user] vectorized schematics on web page |
Date: | Sat, 02 Aug 2014 10:05:48 +0100 |
Lines: | 42 |
Message-ID: | <d8muab-i4h.ln1@halibut.with-a-lisp.net> |
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--=-=-= Content-Type: text/plain Content-Transfer-Encoding: quoted-printable Kai-Martin Knaak <knaak AT iqo DOT uni-hannover DOT de> writes: > Rupert Swarbrick wrote: > >> but I hadn't seen that style of >> resistor symbol before. Does the triangle in the bottom right signify >> anything in particular? >>=20 > It marks pin 1 of the resistor.=20 > My footprints also feature mark at pin 1 -- With thru hole technology the= =20 > pad is square. With SMD footprints there is a kink at the corner in the=20 > silk frame. This facilitates probing for signals during the inevitable=20 > debug stage. I know which side of the resistor I need to stab with my=20 > scope probe if am interested in that particular spot in the schematic. > SMD resistor solder joints are often the more convenient to probe than=20 > that tiny output pin that sits just next to Vcc. > > I adopted these polarized resistor symbols from my former boss. Aaah. That makes sense! I was thinking "Huh? non-polar component. What on Earth is he doing?", but now I understand. A great idea! Rupert --=-=-= Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iJwEAQECAAYFAlPcqe0ACgkQRtd/pJbYVoZ3UAQAp9nzDky5lyq2/MBgYBKQ58jK YejT78rOhhGyaiHWz6faw5GPLlJ1ui+nj73Z6vu9ChX2vELwR97RlGWSAG9Rs5Ei FcnPUADtLmVkLG0171t4EU+q5Xg3oNYDALNTFrY8tHlmPXRxAlYH0bk4nm2jJSMn kiQ83EjDckCewz6qf1E= =iDGy -----END PGP SIGNATURE----- --=-=-=--
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