Zak28
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Yesterday, 08:11Zak28 replied to a thread Automatic selection of element values of antennas impedance models in RF, Microwave, Antennas and OpticsSeems using a FEM frontend is by far quickest means to do this, for instance COMSOL provides you with a means to input an antenna and from there you...2 replies | 117 view(s) -
Yesterday, 08:05Zak28 replied to a thread Are there really ferrites for multi-GHz frequencies? in RF, Microwave, Antennas and OpticsSeems they aren't economical to mass produce otherwise they would likely be found in all the major cellphones, laptops and other devices which make...3 replies | 324 view(s)
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Yesterday, 07:57Not sure were to obtain 4 & 5G specs in which there would be detailed minima and maxima power requirements for coverged serviced area. Is anybody...0 replies | 62 view(s)
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15th August 2019, 11:13Zak28 replied to a thread [SOLVED] magnet wire parasitic properties in Elementary Electronic QuestionsThe text depicts formuli per winding arrangement consolidating a large area by using formuli instead. There is very practical standardized wire...5 replies | 169 view(s)
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15th August 2019, 00:07Were is a well established chart depicting parasitic self capacity of varying magnet wire sizes per unit of length? Much akin to wire having self...5 replies | 169 view(s)
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13th August 2019, 07:10Zak28 replied to a thread [SOLVED] voltage and current waveforms spark gap in Elementary Electronic QuestionsAn ordinary spark gap for an ordinary AC tesla coil doesn't make loads of harmonics?9 replies | 333 view(s)
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12th August 2019, 21:01Zak28 replied to a thread [SOLVED] voltage and current waveforms spark gap in Elementary Electronic QuestionsDoes a spark gap when breaking over make many harmonics?9 replies | 333 view(s)
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12th August 2019, 00:16Zak28 replied to a thread [SOLVED] voltage and current waveforms spark gap in Elementary Electronic QuestionsCan a semiconductor completely replicate the SG operation?9 replies | 333 view(s)
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11th August 2019, 00:29Semiconductors are very prone to destruction whilst operating. Power your PCB and expose it to a large van de graaff generator, You can also retry...6 replies | 271 view(s)
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10th August 2019, 20:58Zak28 started a thread [SOLVED] voltage and current waveforms spark gap in Elementary Electronic QuestionsCan anybody post current and voltage waveforms. Could not locate current and voltage waveforms of spark gaps found in ordinary tesla coils. The...9 replies | 333 view(s)
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8th August 2019, 10:43Does hFE vary while BJT is in operation within the specified hFE min/max ranges? ...3 replies | 130 view(s)
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7th August 2019, 03:49But this is only because the industry really likes to isolate mains conduits from the rest of the circuit using transformers. Nothing is really mains...10 replies | 488 view(s)
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6th August 2019, 01:32The trouble is 3v offset at neutral can set off Vgs its fine to just use earth conduit for fullwave? Rest of circuit is omitted. ...10 replies | 488 view(s)
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5th August 2019, 20:36Is there any method to null out any floating voltage on the floating neutral in the industrial or residential mains but without any transformers? ...10 replies | 488 view(s)
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5th August 2019, 09:50Max mains voltage can be 126V of which 5% is 6.3V which seems the neutral can float to 6.3V above ground.10 replies | 488 view(s)
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5th August 2019, 02:06Does the neutral line in North American electrical utilities have a specified tolerance specified what voltage it can float above ground?10 replies | 488 view(s)
About Zak28
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- Area of specialization:
- Analog Circuit Design, Electromagnetic Design and Simulation, Power Electronics, RF, Microwave, Antennas and Optic
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17th August 2019
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16th August 2019
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15th August 2019
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14th August 2019
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13th August 2019
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12th August 2019
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11th August 2019
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9th August 2019
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