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    Correct wiring for a remote pot

    Thanks for your repply. You say to run simple 2 wires for 5V and ground to the pot, and 1 shielded wire for the low voltage return? Something like this
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    Correct wiring for a remote pot

    Frequently a potentiometer is front panel mounted, far away from PCB. If this pot is used as a potential divider to form a voltage reference (let say 5V input from motherboard and milivolts range output back to motherboard ), the wiring problem becomes important. So what is the ideal wiring...
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    0-30 Vdc Stabilized Power Supply

    Thanks for your answer, Kain. You are wright. Those PSU have a optional earth ground. On the front panel have 4 connectors for two positive PSU and one separate connector for earth ground. You can conect it in series and you have a double voltage PSU or a floating ground positive/negative...
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    0-30 Vdc Stabilized Power Supply

    I have a stupid question. 90% of profesional lab power supply is dual (floating). What is that? Is like two 1,5V batteries? If I want, can I conect it in series and make a 3V supply or positive/negative supply +1,5V/-1,5V whith a virtual gound. Supose I have 2 independent supply like "0-30 Vdc...
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    Can I find transformer regulation?

    This is easy. The transformer have 2 separate windings for 29V (is a 2x29V). So I can make 2 taps in windings and conect them in paralel. But I can't do this for primary. In my knowlege there is some losses  in core, too. I dont know. Maybe I need some kind of experimental consumer, something...
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    Can I find transformer regulation?

    Thank's for your answer. You say: "So just remove turns until the loaded voltage is correct." There is the problem.  It's verry simple to remove turns, check whith multimeter and have desired NO LOAD voltage. But can I calculate the NO LOAD voltage for a given FULL LOAD voltage. I need 24VAC at...
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    Can I find transformer regulation?

    I have a big transformer: 170VA, 120V/240V primary and 2x29V secondary.  This is all ratting information that I have. I need a 24V (at full load - 48W) secondary and is possible to remove some windings for this. My problem: I don't know the transformer regulation, so I don't know what is the no...
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    Some ideas for a 24VAC dimmer?

    I have allready the UAA2016, but is logic to try the simple solution first. I dont know...
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    TEMPERATURE CONTROLLER

    Sorry! I double post because the subject was changed.
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    TEMPERATURE CONTROLLER

    Thank you guys for your answers. From youre debate I understand some important things. 1. A DC power supply is fine for this job. This is verry good because I can use my 12VAC transformer whith a voltage regulator and a NPN current booster. If i use a ajustable voltage regulator, the problem of...
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    Some ideas for a 24VAC dimmer?

    Thank you guys for your answers. From youre debate I understand some important things. 1. A DC power supply is fine for this job. This is verry good because I can use my 12VAC transformer whith a voltage regulator and a NPN current booster. If i use a ajustable voltage regulator, the problem of...
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    Some ideas for a 24VAC dimmer?

    All dimmer is designed to use on main power {eg 220VAC} and is imposible to control a 24VAC load. I found on net manny DC dimmers for low power but no for AC. I need a schematic for a simple 24VAC dimmer. I mention that i intend to use this for a 24VAC 48W 2Aheater element. Please help.
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