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 Topic Title: Convert 9 V battery into two separate 1.5 mv currents? Topic Summary: Convert 9 V battery into two separate 1.5 mv currents Created On: 12 December 2013 08:48 PM Status: Read Only Linear : Threading : Single : Branch
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 12 December 2013 08:48 PM jeffanderson Posts: 1 Joined: 12 December 2013 I am looking to design a small box that houses a single 9-V battery (as power supply), and has two anodes (separate wires) and two cathodes (also separate wires) as outputs. I need for the current to get 1.5 Mv coming out of each anode (to flow across a surface to get to the respective cathode) , and it is important that not go above this value. Can anybody help me design the appropriate circuit to try out on my breadboard. Not sure what I would need or how to do it. Thanks, Jeff 12 December 2013 08:57 PM kengreen Posts: 400 Joined: 15 April 2013 hi Jeff, I am a bit rusty on this sort of puzzle but I think that if you go through the catalogues you will find an i/c that will perform the trick of providing two isolated outputs. Alternatively, if you want to build it yourself, take two separate feeds each via an emitter-follower type of circuit. Ken Green 12 December 2013 11:16 PM ANFierman Posts: 136 Joined: 25 July 2008 Assuming you mean that you want 1.5mA (and not 1.5x10^6 Volts!) then the very simple little circuit I have posted on EasyEDA should do what you want: http://easyeda.com/file_view_D...battery_5zVPWQKqW.htm If you follow the instructions in the schematic then you can run a DC Sweep of the output currents from each source vs. the battery voltage. ------------------------- Andy Fierman---------------------------http://signality.co.uk--------------------------- 13 December 2013 08:36 AM ectophile Posts: 540 Joined: 17 September 2001 I think you need to be a bit clearer as to what you want. Is it 1.5 millivolts or 1.5 megavolts? The circuits for the two would be rather different! Also, 1.5 mV (or 1.5 MV) is a voltage, not a current. When designing such a circuit, the required current would matter. ------------------------- S P Barker BSc PhD MIET
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