BradtheRad
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Yesterday, 04:40Although I lack hands-on experience with HSpice, I get the idea that software developers like to change things around from one version to the next....10 replies | 2004 view(s) -
Yesterday, 04:23BradtheRad replied to a thread cooler master silent prp 500w pc psu in Service Manuals, Requests, Repair TipsFrom internet search your unit appears to be a combination power inverter & battery charger, correct? Since you have 330 vdc, what is your power...3 replies | 118 view(s)
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28th May 2020, 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...10 replies | 2004 view(s)
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27th May 2020, 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....6 replies | 221 view(s)
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27th May 2020, 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 | 402 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 | 328 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 | 511 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 | 511 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 | 181 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 | 328 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 | 411 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 | 451 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 | 418 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 | 418 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...10 replies | 2004 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 | 350 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 | 418 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 | 402 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...7 replies | 414 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)...7 replies | 414 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 | 2055 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 | 350 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 | 645 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 | 703 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 | 423 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 | 645 view(s)
About BradtheRad
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- Born 1953. Some college.
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