Re: 555 Timer Question



On Sat, 24 Dec 2005 23:28:18 GMT, "DSallee"
<audiopulse@xxxxxxxxxxxxx> wrote:

>
>"John Fields" <jfields@xxxxxxxxxxxxxxxxxxxxx> wrote in message
>news:gjjrq15h9l09l46ou42sp8gfpblujmv8gu@xxxxxxxxxx
>> On Sat, 24 Dec 2005 10:36:04 -0600, John Fields
>> <jfields@xxxxxxxxxxxxxxxxxxxxx> wrote:
>>
>>
>>> +9V
>>> |
>>> +----+-------------------------+
>>> | | |
>>> +--------+ | |
>>> |A | O--> /<--O-+-O--> /<--O
>>> [DIODE] [COIL] - - - -/- - - | - - - /
>>> | | O | O
>>> +--------+ | | |
>>> | | | +--------->OUT
>>> C | |
>>> 4060 Q14>--[R]--B +------------------------>OUT
>>> E |
>>> | |
>>> +-----------------+
>>> |
>>> GND
>>
>> ---
>> The cathode of the diode should go to +9V:
>>
>> +9V
>> |
>> +----+-------------------------+
>> | | |
>> +--------+ | |
>> |K | O--> /<--O-+-O--> /<--O
>> [DIODE] [COIL] - - - -/- - - | - - - /
>> | | O | O
>> +--------+ | | |
>> | | | +--------->OUT
>> C | |
>> 4060 Q14>--[R]--B +------------------------>OUT
>> E |
>> | |
>> +-----------------+
>> |
>> GND
>>
>> --
>> John Fields
>> Professional Circuit Designer
>
>Now see, I knew there was a simpler way to make the one I designed.. LOL I
>just couldn't come up with it... The thought of using 1 DPDT relay had
>crossed my mind but I wasn't seeing how it would work...
>
>Now I do...
>
>Thanks John for helping me out ... I'm planning on building a few projects
>of my own during the next year.. I graduate in December 2006 .. will be
>getting CET certified, J-Standard certified, A+ certified, FCC licensed and
>certified...
>
>I will probably be asking you some design questions in the future, If it's
>ok?

---
Sure.
---

>I know I can just go out and buy these things but I think I would learn more
>and have more satisfaction if I attempt to build them... Here is a list of
>things I'm going to ATTEMPT to build.. LOL
>
>Power Supply (fixed plus variable voltages)
>DMM
>Freq. Counter
>Soldering station
>Small Power Amp (stereo)
>AM/FM Radio
>Function Gen.
>
>just to start with...
>
>Thanks again for your help... looking forward to talking to you again...

---
My pleasure. Post back if you run into trouble or have any
questions and I'm sure that any one of us who has the expertise you
need to help you out, will.


--
John Fields
Professional Circuit Designer
.



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