DESIGNERCOUNCIL Archives

January 2000

DesignerCouncil@IPC.ORG

Options: Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
Bob Landman <[log in to unmask]>
Reply To:
Bob Landman <[log in to unmask]>
Date:
Mon, 10 Jan 2000 15:29:12 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (56 lines)
Well, Bob, whatever is politically correct....  just tell me and I'll
do it!  ;-))

Bob Landman

----- Original Message -----
From: Wolfe, Robert <[log in to unmask]>
To: <[log in to unmask]>
Sent: January 10, 2000 2:26 PM
Subject: Re: [DC] Reference Designators


: Jack,
: As far as the J & P for connectors most people get this wrong and
think its
: a male/female thing.
: The correct usage of J & P : J is the stationary half  and P is the
moving
: half. Where they both float the receptacle style should be the J or
just
: pick one. As far as male or female pins the Schematic symbol itself
is where
: that is defined;
:  " --> "  is male and  " --<" is female.
: Bob Wolfe
: Inter-Tel Inc.
:
: > -----Original Message-----
: > From: Jack Olson [SMTP:[log in to unmask]]
: > Sent: Monday, January 10, 2000 1:22 PM
: > To:   [log in to unmask]
: > Subject:      [DC] Reference Designators
: >
: > Something I overheard this morning got me wondering...
: >
: > Have any of you been around long enough to know why a diode would
have a
: > designator of CR? What does the CR mean?
: >
: > What does the U mean on an Integrated Circuit?
: >
: > Is the K on relays arbitrary since R is used by resistors?
: >
: > Does anyone really use P anymore for plugs?
: > (everything I've seen lately is J on connectors, no matter if it
is a
: > socket
: > or a plug)
: >
: > What do you use for submodules or subassemblies?
: >
: > Not really important, I was just curious....
: >
: > Jack
:

ATOM RSS1 RSS2