More New Toys!

From: Dwight K. Elvey <>
Date: Mon, 28 Feb 2005 11:20:20 +0000

 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 also
>> >got the original fitted case for it but it has a problem too. The interior
>> >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 the
>> >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 - 11:20:12 GMT

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