Re: what component to use to build a bridge rectifier??
For general rectification of up to an Amp, with no special requirements, I also use the 1n400x family. I have some generic 3A diodes in a power supply and a 25A, 50PIV bridge module in another power
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manifold
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#8858
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Re: Looking for a mentor
This is a good place to ask all the questions you want. Think of it as a 24-7 mentor. Actually, this may be a good way for some of us to start a really basic study group. I think one of the members of
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manifold
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#8857
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Re: OT: Why?? Was: design for 90-240VAC to 20VDC(3A) conversion, am i right?
Thanks for help. sorry for giving trouble I am a Chinese and my mail client use Big5 encoding as default for supporting both english and chinese mail at the same time. This email I specially changed
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Bene Tam <bene-tam@...>
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#8856
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Re: OT: Why?? Was: design for 90-240VAC to 20VDC(3A) conversion, am i right?
if u r using windows based sustem then tick the option "do not install any of the updates" --------------------------------- Do you Yahoo!? Yahoo! Search - Find what you?re looking for faster.
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srinivas rao <ksrao_iete@...>
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#8855
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OT: Why?? Was: design for 90-240VAC to 20VDC(3A) conversion, am i right?
Could someone please tell me why whenever I open up Ben's messages, my mail client tries to download Chinese character suppport. I'm a troubleshooter at heart ... and I hate being stumped!! Thanks.
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Curtis Sakima <csakima@...>
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#8854
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Re: Looking for a mentor
very very sorry.I live in india --------------------------------- Do you Yahoo!? Yahoo! Search - Find what you?re looking for faster.
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srinivas rao <ksrao_iete@...>
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#8853
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Re: external relay driver
please use the high quality panasonic products or the jumbo products to avoid such experience .even i got the same problems in my college labs Curtis Sakima <csakima@...> wrote:The only
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srinivas rao <ksrao_iete@...>
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#8852
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Re: design for 90-240VAC to 20VDC(3A) conversion, am i right?
dear sir's we have the state of the art R&D Lab in india we have designed and perfectly tested digital audio recorders on all ELC tests and is passed OK . For more information mail ksrao_iete@...
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srinivas rao <ksrao_iete@...>
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#8851
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Re: design for 90-240VAC to 20VDC(3A) conversion, am i right?
Thanks, but the output i need is 20V!!
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Bene Tam <bene-tam@...>
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#8850
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Re: 555 Timer Rate for Stepper- Next Counter
<david.glaister@v...> wrote: Boy am I embarassed! That's what I get, I guess, for spouting off without drawing out a circuit. I had it backwards. Here is a link to a schematic for a circuit to convert
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Don Kinzer <dkinzer@...>
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#8849
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Re: tv to vga
thank you for giving some suggestions and pointing mistakes i done this will help me in my future Steve <alienrelics@...> wrote:Not necessarily. All CRT VGA monitors are analog input, and most
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srinivas rao <ksrao_iete@...>
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#8848
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Re: design for 90-240VAC to 20VDC(3A) conversion, am i right?
i have the nice stuff for u .use the bridge rectifier IC BR68 which has a current rating of around 3A.. and a regulator IC LM323 which also has a xcapability of handling around 4.5A so why are u
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srinivas rao <ksrao_iete@...>
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#8847
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Re: 555 Timer Rate for Stepper- Next Counter
<david.glaister@v...> wrote: Indeed. That's what I meant. You see, the 5804 clock input appears to be negative edge triggered while the clock inputs to the K8035 are positive edge triggered. The
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Don Kinzer <dkinzer@...>
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#8846
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Re: design for 90-240VAC to 20VDC(3A) conversion, am i right?
That's called a buck-boost regulator. Check http://www.national.com and http://www.ti.com and http://www.philips.semiconductors.com/ Alien Steve supply would range from 12VDC(9VAC) to 33VDC(24VAC),
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Steven AE7HD
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#8844
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Re: external relay driver
The only experience I've have with reeds .... is them getting stuck!! Tap tap tap them with my finger(nails). Then they'd release. Finally got frustrated and gave up. Curtis This spring season, dazzle
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Curtis Sakima <csakima@...>
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#8843
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Re: Looking for a mentor
Would love to ... except .. if you didn't live so dang far..... Curtis Minnesota Resident This spring season, dazzle your special someone with flowers! http://www.flowerson55.com
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Curtis Sakima <csakima@...>
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#8845
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Re: design for 90-240VAC to 20VDC(3A) conversion, am i right?
Thanks all man Yes, I am saying that the old one has a rating of 20VDC 3A. How can I generate the 20VDC 3A then?? I see 2 difficulties If I use a turn ratio of 10:1, after the bridge rectifier, the DC
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Bene Tam <bene-tam@...>
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#8842
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Re: 555 Timer Rate for Stepper- Next Counter
clock low Thanks for the suggestion. I kind of understand what you are getting at, but... Because the outputs from 5804 are active sequentially as it steps each motor winding, is it possible to use
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davidglaister
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#8841
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Re: design for 90-240VAC to 20VDC(3A) conversion, am i right?
--- In Electronics_101@..., "Dave Mucha" <dave_mucha@y...> wrote: ... > Check your current requirements and your voltage requirements. > > Most likly, the laptop will run on 12 and 5 VDC
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Steven AE7HD
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#8840
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Re: 555 Timer Rate for Stepper- Next Counter
<david.glaister@v...> wrote: According to the documentation that you provided, the counter circuit appears to be positive edge triggered, meaning that the counter changes state when the level at one
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Don Kinzer <dkinzer@...>
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#8839
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