Re: [PSES] Human fingertip capacitance.

2014-10-10 Thread Pete Perkins
qu...@ieee.org] Sent: Friday, October 10, 2014 5:30 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Human fingertip capacitance. Gary, The modeling of the human body from an electrical point of view has been going on for almost 100 years with major strides in understand

Re: [PSES] Human fingertip capacitance.

2014-10-10 Thread Brian Oconnell
Pete, Is this a 'typical' reactance, and a similar capacitance as used in the IEC60990 networks? Brian From: Pete Perkins [mailto:0061f3f32d0c-dmarc-requ...@ieee.org] Sent: Friday, October 10, 2014 5:30 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Human fingertip c

Re: [PSES] Human fingertip capacitance.

2014-10-10 Thread Pete Perkins
Gary, The modeling of the human body from an electrical point of view has been going on for almost 100 years with major strides in understanding in the '40s & 50's and major gains again in the '90s with the advent of CAT/MRI scans providing overload detail in the body constructi

Re: [PSES] Human fingertip capacitance.

2014-10-09 Thread Brent DeWitt
itt Milford, MA -Original Message- From: Sundstrom, Mike [mailto:mike.sundst...@garmin.com] Sent: Thursday, October 09, 2014 3:02 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Human fingertip capacitance. In a long ago job I learned the two 480K Ohm resistors in the ESD gun ground lead

Re: [PSES] Human fingertip capacitance.

2014-10-09 Thread Sundstrom, Mike
that matters, it's what you see. Henry David Thoreau -Original Message- From: Brian Oconnell [mailto:oconne...@tamuracorp.com] Sent: Thursday, October 09, 2014 11:41 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: Re: [PSES] Human fingertip capacitance. Do not believe that it is the 'capa

Re: [PSES] Human fingertip capacitance.

2014-10-09 Thread Brian Oconnell
f Brian From: Gary McInturff [mailto:gary.mcintu...@esterline.com] Sent: Thursday, October 09, 2014 9:14 AM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [PSES] Human fingertip capacitance. Trying to set up a jig to test some capacitive touch-panels. It's an automated probe that disturbs the capac

[PSES] Human fingertip capacitance.

2014-10-09 Thread Gary McInturff
Trying to set up a jig to test some capacitive touch-panels. It's an automated probe that disturbs the capacitive field of the sensor - but I'm clueless what kind of value to shoot for. I thought about the ESD gun capacitance but I don't know if that actually matches a human fingertip - or it's