Re: 9VAC from 5VDC?

From: Jim Brain <brain_at_jbrain.com>
Date: Sun, 15 Sep 2013 20:18:14 -0500
Message-ID: <52365C56.1010801@jbrain.com>
On 9/15/2013 5:11 PM, Bil Herd wrote:
> I posted an example of how to do a 5VDC/9VAC convertor using the first
> transformer I found on Digikey that matched thebasic specs , there are
> probably all kinds that would work. The design is two single-ended to
> ground drivers which I show as TIP120 just for current and gain without
> worring about the parameters.  Transformer can be a Single Primary 110V to
> 48 VAC Centertap secondary or I showed a dual primary with the 110V
> primaries wired in series and 24 VAC Centertap.   I have not tested the
> design or done the real exact 2nd level of math, this is an example of how
> I have done this in the past.
>
> http://c128.com/sample-5vdc-9vac-convertor
My main question on that transformer is the specs show it as 500mA 
Current output (Max).  Since the C64 might need 1A @ 9VAC, is that a 
concern?

Jim

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Received on 2013-09-16 02:00:13

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