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"Class-AA" amp?

http://www.ebay.com/itm/Class-AA-OP-Amp-Preamp-Headphone-Amplifier-Board-PCB-for-OPA2134-NE5532-AD827-/172014725981?has...
12 comments posted 10yrs
posted by not
12 comments posted 10yrs posted by not

Energy Efficiency and 5V/12V Devices

I need to power about 20 devices that run off AC adapters that provide 5VDC or 12VDC to the device. As I understand it,...
9 comments posted 10yrs
posted by nisha
9 comments posted 10yrs posted by nisha

DIN standards for reading?

Wikipedia lists DIN standards but has only a brief description: https://en.wikipedia.org/wiki/List_of_DIN_standards Are...
9 comments posted 10yrs
posted by not
9 comments posted 10yrs posted by not

Ohm's law

Ohm's law is not applicable on resistors in DC regime only, but on capacitors and inductors in AC regime as well. This...
0 comments posted 10yrs
posted by pchung705
0 comments posted 10yrs posted by pchung705

Multi-conductor control cable: PVC vs.

I need to replace a cable (16-conductor, 28-ish awg, stranded, shielded) on an industrial machine. It?s used to connet...
26 comments posted 10yrs
posted by not
26 comments posted 10yrs posted by not

current divider

Interesting thing about current divider is that current through resistor R1 is directly proportional to resistor R2 val...
0 comments posted 10yrs
posted by pchung705
0 comments posted 10yrs posted by pchung705

Proper drain pipe size. (Off topic)

I am running my downspouts to buried pipe to be piped away from my house. T he side I am working on has two downspouts....
3 comments posted 10yrs
posted by stryped1
3 comments posted 10yrs posted by stryped1

Voltage divider

Voltage divider is just two resistor connected is series, but powerful tool for calculating electrical potential of som...
1 comments posted 10yrs
posted by pchung705
1 comments posted 10yrs posted by pchung705

HDMI Inputs On TV ?

Hi, Figure that someone here would know. My TV has only 2 HDMI inputs. I have a USB hub on my PC that allows 6 USB inpu...
2 comments posted 10yrs
posted by rgsros
2 comments posted 10yrs posted by rgsros

chain hoist

My chain hoist will only go up and down manually when I push on the contacts. previously some wires had been pulled out...
1 comments posted 10yrs
posted by donny
1 comments posted 10yrs posted by donny

Check DND

Welcome to DNDcheckonline.com.Check DND/DNC Visit Check DND status upto 15000 No's status of any mobile operator in Ind...
0 comments posted 10yrs
posted by pmptraining66
0 comments posted 10yrs posted by pmptraining66

C122D1 pinout?

Moto SCR C122D1?s datasheet lacks pinout: http://www.alldatasheet.com/datasheet-pdf/pdf/92631/MOTOROLA/C122D1.html This...
1 comments posted 10yrs
posted by not
1 comments posted 10yrs posted by not

Re: Transistor identification?

>>> I can say that the bandwidth requirement of the circuit is very small?DC-10 >> KHz?and low current. Don?t know abou...
0 comments posted 10yrs
posted by gfretwell
0 comments posted 10yrs posted by gfretwell