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tR|GG3rX
Joined: 28 May 2004
Posts: 42
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 06 Oct 2004 6:27 DC to AC converter |
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some of my circuit components need dc supply voltage. but some needs ac supply voltage (i.e. vibration sensor). how can i design the power supply circuit to cater all these components need?
is it ok with a normal voltage oscillator and amplifier to convert 12V(dc) to 24V(ac). i'm thinking of oscillating the regulated voltage and drive it to the components that need ac voltage.
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djalli
Joined: 10 Nov 2001
Posts: 887
Helped: 15
Location: 1600 Pennsylvania Avenue, Washington DC 20500
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| 06 Oct 2004 7:01 DC to AC converter |
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Look! You have 12VDC? Right?
Decide what frequency you want?
Get AC frequency which is important for your AC signal. Then for amplitude is not a problem at all. You can use opamps, transistors again to change amplitude.
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sztibi82
Joined: 31 Aug 2004
Posts: 239
Helped: 5
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| 06 Oct 2004 7:55 Re: DC to AC converter |
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Check a DC to DC converter. It is exactly what you need without the AC-DC converter and the filter.
pls give more detalis.
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tR|GG3rX
Joined: 28 May 2004
Posts: 42
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| 06 Oct 2004 8:20 Re: DC to AC converter |
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djalli, i need to refer to the datasheet first. not sure whether the sensor is frequency dependent or not.
sztibi82, how can you make a DC-DC converter converts DC to AC. do you mean i must step-up the voltage first and then oscillates it? more explanation plz.
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sztibi82
Joined: 31 Aug 2004
Posts: 239
Helped: 5
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| 06 Oct 2004 9:19 Re: DC to AC converter |
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| yea, you let the oscillator's current pass the little transformer or coil, and at the other end of the transformer dont use the 4 diodes and the filter, only collect the AC.
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