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PICList Thread
'scr power supply...'
1997\02\19@025541 by Vishram sarurkar

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hello piclisters,
       i want to make a 20-300v power supply using PIC. the scheme i've
thought upon relies on a SCR bridge, where the trigerring pulses for
scrs will be generated by the PIC. the PIC should also communicate with
Master processor over the I2C bus and accordingly adjust the timing so as to
give the voltage (at the output of the bridge) as requested by the master.
       can anybody help me in this regard ??
thanx for your time.
vishram.



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  [4m [7m [4m         Vishram Sarurkar,             [0m
  [4m [7m [4m           M.Sc.[engg],                [0m
  [4m [7m [4m         INSTRUMENTATION,              [0m
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1997\02\19@105553 by Wolfram Liebchen

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At 13:26 19.02.97 +0500, you wrote:
>hello piclisters,
>        i want to make a 20-300v power supply using PIC. the scheme i've
>thought upon relies on a SCR bridge, where the trigerring pulses for
>scrs will be generated by the PIC. the PIC should also communicate with
>Master processor over the I2C bus and accordingly adjust the timing so as to
>give the voltage (at the output of the bridge) as requested by the master.
>        can anybody help me in this regard ??
>thanx for your time.
>vishram.
>
Hi Vishram,

it sounds, that you should use a PIC16C74:
 a) hardware for pulse width modulation
 b) analog-to-digital converter for sensing
 c) I2C slave hardware for communication

regards

Wolfram



+-----------------------------------------------------+
| Wolfram Liebchen                                    |
| Forschungsinstitut fŸr Optik, TŸbingen, Deutschland |
| .....liebchenKILLspamspam@spam@ffo.fgan.de                         |
+-----------------------------------------------------+

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