Newbie on the Steinmetz Equation
	On the TSC Magnetics data sheet for material TSF-50ALL is this handy formula for ferrite core loss: Ploss = 0.08*(f^1.39)*(B^2.91) Also on the data sheet, there's a core loss graph at various frequencies. One data point is: @700Gauss @250khz Ploss = 100mW/cc Ok...I'd like to see if the graph and the eqn correlate..... more » By D from BC  - 5:28pm - 2 new of 2 messages

	Garmin 760/750 GPS - audio through cradle?
	Is audio output from the Garmin available at the cradle connector(s)? Or only through the headphone jack? Thanks, By DaveC  - 12:33pm - 1 new of 1 message

Quote of the Day

Quote of the day: "Whatever you give a woman, she will make greater. If you give her sperm, she'll give you a baby. If you give her a house, she'll give you a home. If you give her groceries, she'll give you a meal. If you give her a smile, she'll give you her heart. She multiplies and enlarges what is given to her. So, if you give her any crap, be ready... more » By Jim Thompson  - 12:13pm - 4 new of 4 messages

	OT: datasheet for AM29C841APC
	Just curious if anyone has the datasheet. I am unable to find it through the online search sites. By Aldorus  - 11:57am - 3 new of 3 messages

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	RC with limiting current supply
	Let imagine a RC circuit that requires 20 uAmp to charge in 0.2 sec. But the electric source can supply only 1uAmp. Voltage is not a problem. We have enough to pass through the resistor. The question is what will happen with this limited current??? I think it will take more time to charge the capacitor compared with... more » By Efthimios  - 10:17am - 5 new of 5 messages

	OT: UK okays warrantless remote hacking of PCs
	This is OT but 90% of the stuff here is. But I thought people here might (Eeyore) find it intresting. I found it at BBR. "Police have been given the power to hack into personal computers without a court warrant. The Home Office is facing anger and the threat of a legal challenge after granting permission. Ministers are... more » By Hammy  - 10:07am - 11 new of 11 messages

dual connection of ignition coils question

I wish to run two ignition coils in parallel (opposite phase) for increased voltage output. The driver circuit (not shown) is made to allow such a dual configuration. However, both ignition coils I'm using are slightly different, and I am unsure how to connect the high voltage grounds since there doesn't appear to be a distinct high voltage ground lead on one of the... more » By John Grafton  - 8:04am - 2 new of 2 messages

	Looking for High Frequency MEMS Accelerometer
	Hi I have an application in which I'm looking for an MEMS accelerometer, that can handle >100G and has a frequency 3dB cut-off at 50kHz. Anyone know of such a thingie? Thanks Klaus By Klaus Kragelund  - 7:23am - 11 new of 11 messages

	DC to Dc converter
	Hi all I am looking for a good DC to DC converter circuit that is good for tube absed guitar effects pedals . This circuit will use the low DC supply 12 vdc usually and will lift it to a high enugh voltage to drive an 12ax7 or ecc83 tube for example . Thanks EC By RealInfo  - 4:03am - 5 new of 5 messages