BradtheRad
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19th November 2019, 11:00BradtheRad replied to a thread Multiple pulse width ( 5 pulses ) inverter and lowest low order harmonics in Mathematics and PhysicsBy definition the output which closely resembles a sinewave has the least harmonic content. Or from another viewpoint, the less filtering needed, the...17 replies | 610 view(s) -
18th November 2019, 09:25BradtheRad replied to a thread Multiple pulse width ( 5 pulses ) inverter and lowest low order harmonics in Mathematics and PhysicsI assume the filter is an inductor or transformer? The tendency is that voltage falls immediately after a pulse ends. I think the aim is to add a few...17 replies | 610 view(s)
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16th November 2019, 19:54BradtheRad replied to a thread Insertion loss reduction for matching networks in PA design in RF, Microwave, Antennas and OpticsHi - Your Attachment 156523 expired unexpectedly. Unless it is duplicated by your second attachment (thumbnail), you may post again with a new...8 replies | 450 view(s)
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16th November 2019, 17:27BradtheRad replied to a thread [SOLVED] What are the names of these voltages for a 3-ph full-wave controlled rectifier? in Power ElectronicsHi - Your images navigate to an area of the All About Circuits website which requires an account. Please post again and upload each image to Edaboard...4 replies | 307 view(s)
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16th November 2019, 03:08BradtheRad replied to a thread Low and high impedance of low pass stepped impedance filter in RF, Microwave, Antennas and OpticsTelephone companies found it practical to make 600 ohms a standard in various types of circuitry, equipment and measurements, going back decades....2 replies | 200 view(s)
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14th November 2019, 13:28BradtheRad replied to a thread [SOLVED] Differential amplifier measure -32V to +32V with single 3.V supply in Analog Circuit DesignEasy method to attenuate and level shift. Two potentiometers mix a portion of the incoming signal, and a portion of the supply voltage.8 replies | 293 view(s)
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8th November 2019, 08:10Tusharsinh started a thread Altium Width Rule Issue in PCB Routing Schematic Layout software and SimulationI have width rule for power net of 0.5 mm width.What rule i should apply for QFN package which also has power net ,to limit it to the 0.2 mm.1 replies | 267 view(s)
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8th November 2019, 07:19BradtheRad replied to a thread Symmetric Source + 10V and -10V - help me !! in Hobby Circuits and Small Projects ProblemsTo hold to the purpose of the thread title... Here is a simple method to create split 10V supplies from a single 12V supply. Two loads, each...4 replies | 480 view(s)
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8th November 2019, 06:28BradtheRad replied to a thread "Current" controle is a big issue using ClassD ? in Analog Circuit DesignYes, my simulation illustrates the concept in a simple circuit. Adjust component values to yield your desired range of frequencies. Add a...16 replies | 932 view(s)
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7th November 2019, 10:14Do you wish to see if you can detect whether current is in phase with voltage? Do you wish to adjust component values so as to reduce power factor...2 replies | 277 view(s)
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7th November 2019, 10:01BradtheRad replied to a thread Small Project archery aiming assist in Hobby Circuits and Small Projects ProblemsI recall from my boyhood it's difficult to hold aim and release the arrow on-axis. Our tendency is to jerk the bow or the arrow at the moment of...3 replies | 322 view(s)
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7th November 2019, 06:32BradtheRad replied to a thread [HFSS] What does N/A mean for delta S? in Electromagnetic Design and Simulation'Not applicable' =usual meaning.6 replies | 447 view(s)
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6th November 2019, 15:50BradtheRad replied to a thread How power is conserved using tapped capacitor circuit ?? in RF, Microwave, Antennas and OpticsThere is the concept of two capacitors creating a capacitive transformer. Could that be the principle at work here? It would be easier to grasp the...1 replies | 261 view(s)
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6th November 2019, 08:29BradtheRad replied to a thread Capacitive Boost or Charge-Pump DC-DC Converter in Analog Integrated Circuit (IC) Design, Layout and FabricationWhile I'm inexperienced at IC fabrication, it's obvious there are hurdles because your transistors need to turn on with a small supply voltage.8 replies | 594 view(s)
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5th November 2019, 12:57Here in the US we have 60 Hz. It's easier to calculate and build gear mechanisms to drive clocks (60 seconds per minute, 60 minutes per hour, 12...9 replies | 435 view(s)
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3rd November 2019, 08:15I adjusted for a slower frequency, in order to bring out the appearance of ramping waveforms, and to help emphasize the massive Ampere levels. 60...26 replies | 1122 view(s)
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3rd November 2019, 04:46Simulation of simple boost converter with your spec supply and output, showing expected waveforms. Notice the peak Ampere levels needed to...26 replies | 1122 view(s)
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3rd November 2019, 02:26I suspect the big hurdle is to switch electronically between one signal and the other. I once tried to devise a method using diodes and transistors,...5 replies | 415 view(s)
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2nd November 2019, 03:13A handy source comes from short wave stations which broadcast time beeps every second. ...8 replies | 525 view(s)
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2nd November 2019, 02:35BradtheRad replied to a thread How to provide Current feedback connection cadence virtuoso in Analog Circuit DesignThis sounds like a role for the Norton op amp (3900 is a common type). It's associated with current-differencing applications. ...2 replies | 251 view(s)
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29th October 2019, 03:15BradtheRad replied to a thread "Current" controle is a big issue using ClassD ? in Analog Circuit DesignSimple class D amplifier made from 555 timer IC. Apply audio signal to pin 5. Varying voltage at pin 5 alters duty cycle. Incoming signal needs to...16 replies | 932 view(s)
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28th October 2019, 05:14BradtheRad replied to a thread Phase and attenuation constant 1-D periodic structure using CST or HFSS in RF, Microwave, Antennas and OpticsBelow is your zip file reworked so it contains only your cst project (94 KB). Post #1 still has the link to the research paper. ...5 replies | 613 view(s)
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28th October 2019, 00:51BradtheRad replied to a thread Phase and attenuation constant 1-D periodic structure using CST or HFSS in RF, Microwave, Antennas and OpticsPlease convert your project files to a zip file. Upload as an Edaboard attachment. That is preferable to making readers click multiple times to view...5 replies | 613 view(s)
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27th October 2019, 15:01vivekroy replied to a thread What things we need to take care a lenghty routing let's say 5000um in Analog Integrated Circuit (IC) Design, Layout and FabricationIf its a very high frequency signal, you need to take care that it is not behaving as a transmission line.3 replies | 548 view(s)
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27th October 2019, 13:35vivekroy replied to a thread Difference in the reactive part between loadpull simulation and large signal sparams in RF, Microwave, Antennas and OpticsCan you point to some documents that talk in somewhat more details about the difference in termination conditions? - - - Updated - - - ...8 replies | 794 view(s)
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27th October 2019, 04:26BradtheRad replied to a thread Regarding Electronics Enclosure Design - Tactile Button and Optical Sensor Tips in Mechanical Engineering and Design1. It is easier to drill holes in the enclosure, than to ream a rectangular opening. Consider drilling a few holes for the light sensor, then...3 replies | 406 view(s)
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27th October 2019, 02:57BradtheRad replied to a thread Need a Paper: Electronic Circuit Diagnosis with No Data in Analog Circuit DesignForum rules do not allow copyrighted materials to be shared (or requested for sharing). If they're not easily and freely available, we assume that...3 replies | 355 view(s)
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