BradtheRad
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Today, 11:30For further assistance it may require someone familiar with your setup and your simulator. Example, 'Unknown file error' may have to do with the way...7 replies | 1878 view(s) -
Yesterday, 10:29BradtheRad replied to a thread looking for a local supply in southern california in Power ElectronicsI've purchased power adapters from discount mail-order suppliers such as All Electronics. Some as low as 99 cents (decades ago). Assorted brands....5 replies | 151 view(s)
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Yesterday, 10:18BradtheRad replied to a thread Circuit don't work in Microcap (555-based class-D) in Elementary Electronic QuestionsThe principle is to vary duty cycle of pulses (PWM) depending on voltage of input signal. Here is a class D amplifier, starting with a triangle...6 replies | 347 view(s)
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26th May 2020, 09:17BradtheRad replied to a thread Transformer coupled Class A amplifier in Elementary Electronic QuestionsDoes your single-ended amplifier have a capacitor somewhere in the output stage? If combined with an inductor (or transformer), then it's possible...7 replies | 290 view(s)
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26th May 2020, 09:07BradtheRad replied to a thread Opinions about plagiarized paper on an academic website in Miscellaneous EngineeringMany of these 'free' websites are suspect as carriers of malware. Not to say it necessarily applies here, but the attraction does provide a means for...9 replies | 422 view(s)
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26th May 2020, 02:22BradtheRad replied to a thread Opinions about plagiarized paper on an academic website in Miscellaneous EngineeringYou're correct on the face of it. However it would take more research to get the entire story. * Example, to find out whether the original author...9 replies | 422 view(s)
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25th May 2020, 21:57BradtheRad replied to a thread Stuck at simulations of Amplifier in LTSpice in Analog Integrated Circuit (IC) Design, Layout and FabricationI guess you're aware gain comes from a transistor? What amount of gain do you have now? What did you do to get that amount?2 replies | 163 view(s)
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25th May 2020, 21:31BradtheRad replied to a thread Transformer coupled Class A amplifier in Elementary Electronic QuestionsWhen you turn on the transistor fully, it provides a low-resistance path to a supply rail, causing that supply rail to influence the output. When...7 replies | 290 view(s)
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25th May 2020, 21:24Once upon a time every town had a TV repair shop. Technicians worked on tv's all day long. They were close to the screen, and close to the tubes. ...6 replies | 398 view(s)
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25th May 2020, 01:42BradtheRad replied to a thread Doing electronics on an office carpet (non ESD) in Elementary Electronic QuestionsAlthough he's not following the safest procedure... Sooner or later any electronic device is liable to static charge exposure, when you think about...10 replies | 416 view(s)
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24th May 2020, 23:19BradtheRad replied to a thread Infection Simulator reading file problem cpp in PC Programming and InterfacingThe code does a similar job as a 'robust' input routine. The purpose is to accept user keypresses, then convert ascii characters into proper data...5 replies | 401 view(s)
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24th May 2020, 04:25BradtheRad replied to a thread Infection Simulator reading file problem cpp in PC Programming and InterfacingPerhaps you mean you want to parse long strings of alphanumerics? Then you must examine each character in sequence. Begin each datum as a null...5 replies | 401 view(s)
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23rd May 2020, 06:54Is the load a capacitor by itself? That can give a simulator trouble. Try changing the load to a resistor. Compare the simulator results. See if...7 replies | 1878 view(s)
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23rd May 2020, 06:02BradtheRad replied to a thread Covergance Problem in Transient Bias Point Calculation in PCB Routing Schematic Layout software and Simulation10.00 GA indicates giga-Amps, correct? That's a very large value. Try putting resistors in series with capacitors. Your schematic has the power...4 replies | 327 view(s)
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23rd May 2020, 05:31BradtheRad replied to a thread Infection Simulator reading file problem cpp in PC Programming and InterfacingCreate arrays: entity(x) data_string(x) Whether_infected(x) Where x = 1 to amount of entities.5 replies | 401 view(s)
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22nd May 2020, 23:14BradtheRad replied to a thread Circuit don't work in Microcap (555-based class-D) in Elementary Electronic QuestionsRun a 555 timer IC to generate a pulse train. Apply varying voltage to pin 5. This alters duty cycle. It's the makings of a class D amplifier. ...6 replies | 347 view(s)
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21st May 2020, 04:33BradtheRad replied to a thread Determining Value of Capacitor Between PV Panel and DC-DC Convertor. in Power ElectronicsJust to pull a figure out of a hat. I don't know whether 10V 0.5A is a realistic MPPT. Of course the converter must be designed to operate on...6 replies | 365 view(s)
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21st May 2020, 03:53BradtheRad replied to a thread Determining Value of Capacitor Between PV Panel and DC-DC Convertor. in Power ElectronicsAlthough a capacitor helps to smooth input current, consider making a complete LC filter. Say the most you can extract from your PV panel (at MPPT)...6 replies | 365 view(s)
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21st May 2020, 02:39BradtheRad replied to a thread How to adapt (normally) PCI Express x1 to work in PCIe Mini Slot in PCB Routing Schematic Layout software and SimulationReally positive news. Huge change from your previous (erased) post, huh? That's how it is with these newfangled computerized devices... They act in...7 replies | 2042 view(s)
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21st May 2020, 00:26BradtheRad replied to a thread Dont need a super accurate, super high bandwidth In Amp... in Analog Circuit DesignA simple differential detector is a Wheatstone bridge. Anti-parallel led's act as visual indicators. In some cases you don't need the ground...6 replies | 336 view(s)
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19th May 2020, 06:18Feel welcome to ask at this public forum. Of course it's your choice if you you wish to maintain secrecy about certain aspects of your project....3 replies | 637 view(s)
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18th May 2020, 01:32BradtheRad replied to a thread 100uA analogue meter conversion to 1A? in Hobby Circuits and Small Projects ProblemsNormally you install a shunt resistor across the meter. The shunt carries most of the current. Only a tiny amount goes through the meter (for yours...16 replies | 672 view(s)
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17th May 2020, 20:43BradtheRad replied to a thread [SOLVED] P&R Buffer Reduction in a Shift Register in ASIC Design Methodologies and Tools (Digital)Sorry, your Attachment 159421 expired. Try uploading it again in a new post, then submit the post immediately.8 replies | 415 view(s)
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17th May 2020, 20:35There are tiny cameras what can be mounted on eyeglasses. Take photographs of the eye as the subject looks up, down, left, right, and other...3 replies | 637 view(s)
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17th May 2020, 15:22Consider having a tension-loaded mechanism, which dispenses the gel for half a second... Then the motor operates to reset it, taking 4 or 5 seconds....9 replies | 518 view(s)
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17th May 2020, 08:24BradtheRad replied to a thread How to build sample and hold circuit? in Elementary Electronic QuestionsNot sure if you're asking about this sort of arrangement? Two different layouts, with the capacitor in a leg close to a supply rail. ...11 replies | 633 view(s)
About BradtheRad
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