Yeah, no kidding. I think the difference between our formulas might be that you're looking for the Vdrop and I'm looking for Vload...
On Fri, Mar 10, 2017 at 8:46 PM, Chuck McCown <[email protected]> wrote: > I think you would agree, this is not as simple as it first appears.... > > *From:* Forrest Christian (List Account) > *Sent:* Friday, March 10, 2017 7:43 PM > *To:* af > *Subject:* Re: [AFMUG] Raw Data > > Calculated values, from 16 to 24, using 6.24 as the power, 8 ohms, and 16 > through 24 volts in. This is using my formula: > > 11.75233261 > 13.22546294 > 14.57494395 > 15.85059052 > 17.07672241 > 18.26723889 > 19.43089556 > 20.57358804 > 21.69948452 > > (SQRT(Vin*Vin-4*Pload*Rcable)+Vin)/2 > > > On Fri, Mar 10, 2017 at 6:45 PM, <[email protected]> wrote: > >> This is an SM with and without an 8 ohm series resistance. >> This data was after boot up. >> >> I came down from 24 volts when testing with the 8 ohm because it will not >> boot with the resistor until you get up to about 18 volts due to high >> current during booting. >> >> Voltage Current Power 8 ohm I 8 Ohm Load V >> 11 0.56 6.16 >> 12 0.52 6.24 >> 13 0.48 6.24 >> 14 0.45 6.3 >> 15 0.4 6 >> 16 0.39 6.24 0.56 11.52 >> 17 0.35 5.95 0.47 13.24 >> 18 0.34 6.12 0.43 14.56 >> 19 0.32 6.08 0.38 15.96 >> 20 0.3 6 0.35 17.2 >> 21 0.28 5.88 0.33 18.36 >> 22 0.28 6.16 0.31 19.52 >> 23 0.27 6.21 0.3 20.6 >> 24 0.26 6.24 0.28 21.76 >> >> Am late for a company dinner celebrating the 10 anniversary of one of our >> employees. >> So will analyze tomorrow to see if it matches my quadratic equation. >> > > > > -- > *Forrest Christian* *CEO**, PacketFlux Technologies, Inc.* > Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602 > [email protected] | http://www.packetflux.com > <http://www.linkedin.com/in/fwchristian> <http://facebook.com/packetflux> > <http://twitter.com/@packetflux> > > -- *Forrest Christian* *CEO**, PacketFlux Technologies, Inc.* Tel: 406-449-3345 | Address: 3577 Countryside Road, Helena, MT 59602 [email protected] | http://www.packetflux.com <http://www.linkedin.com/in/fwchristian> <http://facebook.com/packetflux> <http://twitter.com/@packetflux>
