Latest threads in ⏚ Electrical Engineeringshow only best voted threads
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Re: Proper Oscope Care: Leave on, or Turn off?
On 02 Aug 2003 06:41:46 GMT, (BUSHBADEE) Gave us: That's why OLD CRT based scopes had blanking circuits. NEW scopes are of the LCD display type in most cases.
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20 years ago
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Re: NiMh vs NiCd batteries
I've been told (perhaps obsolete information) that NiMH batteries last about half the number of cycles as do NiCd. When I bought a new drill (a good drill with two batteries costs about the same as...
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20 years ago
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Re: Underground Distribution Cable
I have paper references (it may be in the Standard Handbook of Electrical Engineers). Have you tried big wire manufacturers like Southwire or perhaps Perelli (spelling?)? Charles Perry P.E.
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20 years ago
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Artificial lightning needed
Unusual request - hope you can help. There is a TV program being made on the subject of lightning, and the producers want to know urgently if there is a lab in the UK which can generate impressive...
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20 years ago
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Compact fluorescent lamps
Can anybody direct me where I can find a typical circuit for a compact fluorescent lamp (120V)? I know the operation principle but I would like to save the time to reverse engineer the circuit....
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20 years ago
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Re: What is the best area to specialize in?
in article Harry Conover at wrote on 8/1/03 2:56 PM: Do not underestimate the amount of skill and innovation required in power or motor engineering. Just consider the engineering that went into make...
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20 years ago
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Re: Clamp meter VAC/DC
Have Amec a web site for details of their products? Does anyone know of a manufactured converter that would sample at 230-40 volts ac and output say 1 mill V per V?
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20 years ago
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Minimum impedance for o-scope auto use?
My Bentley service manual cautions to use a meter (seems to be inferring DMM) of at least 10 megaohms input impedance to prevent excessive current draw that possibly might damage "sensitive electronic...
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20 years ago
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Re: DC over voltage protection
Can I buy something like this already set up?
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20 years ago
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4 - 20 mA transducer question
I am trying to use a two wire 4 - 20 mA pressure transducer to a PLC analog input, but the PLC is a voltage input. Suggestions? Thanks in advance.
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20 years ago
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Anyone here know the insides of a Clifford car alarm?
Clifford IntelliGuard 400 lost its intelligence. A guy I met says that punks are taking those personal-protection "zappers" and putting them to cars' bumpers and zapping the alarm systems. Hmmm... One...
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20 years ago
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Quick determination of RF output? (car remote)
I've heard of a quick way to check IR remotes: put an phototrans. in an oscilloscope input and use it to check for IR transmisison. Any suggestions of a similar quick determination of RF output from a...
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20 years ago
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Installing Ceiling Fan with Red wire on electrical box.
PS: i post this today but don't know where did it go. please bear with me if i posted it twice to one of the groups. josh green ********* greetings. i know this might be so simple to you but for me,...
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20 years ago
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Scoping piezo-crystal knock sensor
Is a DSO required to test a piezo-crystal KS or will an analog o-scope do the job (something like a Tek 465)? I'd like to see both peak and avg VAC output at various engine RPMs Thank you
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20 years ago
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WTB 4Quadrant DC power supply for Dc motor 440 Volts 250Kw 610Amps
Hy Group I Am searching for a second-hand Thyristor 4Quadrant DC power supply for Dc motor 440 Volts 250Kw 610Amps Primairy power is 400 Volts three phase 50Hz It is for a test-equipment i like to...
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20 years ago
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