More New Toys!

From: Joe R. <>
Date: Mon, 28 Feb 2005 12:30:32 +0000

  If I HAVE to i can do better than that. I have a variable frequency
variable voltage AC supply. It can generate true Sine wave AC from 9 to
9,999 HZ and any voltage from 0 to about 270 volts. It's big and heavy as
hell but it's the cat's ass when it comes to meeting odd power requirements!


At 09:20 AM 2/28/05 -0800, Dwight wrote:
> Nasty of them to do that. Maybe make a motor generator :)

>>From: "Steve Thatcher" <>
>>AMC used a resonant transformer in the Em series. It has no primary taps on
>>it for switching voltages. It also needs to run at the required frequency.
>>Joe's first thought of scavenging the transformer (and cap) from other box
>>is the only way to go.
>>best regards, Steve Thatcher
>>At 08:07 PM 02/25/2005, Dwight K. Elvey wrote:
>>> >From: "Joe R." <>
>>> >
>>> >
>>> > I also found another Applied MicroSystems microprocessor Diagnostic
>>> >Emulator unit. These one is an EMM-188 for the 8080 and 8085 CPUs. I also
>>> >got an EMM-188 pod with it for testing 8080 circuits. It appears to be in
>>> >new condition, there's just one problem, it's wired for 220VAC 50Hz! I
>>> >got the original fitted case for it but it has a problem too. The
>>> >was made of that foam that likes to turn to goo after a while! It took a
>>> >bit to get everything cleaned up! Anybody know what it takes to
convert one
>>> >of these back to 110 volts or do I just swap the xformer out of one of
>>> >podless ones that I have?
>>> >
>>> >
>>>1. Use another transformer of about half the core weight as
>>>an autotransformer to step the voltage up to the 220V. This
>>>doesn't have to be a 110 in to 220 out full transformer, just
>>>one that has the split primary. You only use the primary.
>>>2. Look to see if the transformer already has two primary windings
>>>that can be arranged for 110v.
Received on Mon Feb 28 2005 - 12:24:51 GMT

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