Top new questions this week:
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I have a portable oscilloscope, and when I connect just one probe to it, sometimes, moving the probe into the air without connecting it to anything, then I can see (in some of the places of my house) …
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As far as I know, capacitors consist of two metal plates with a dielectric between them. How are capacitors with polarized plates manufactured? What makes them have polarized plates?
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I’m using a new set-up of a 3.6 kW inverter with two 150 Ah gel batteries in series. I don’t understand why the inverter reports a much larger VA than the watts that are consumed. As I understand it, …
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From the analog website this switchable gain amplifier is shown. It uses a second switch S2 to reduce gain error from S1’s on resistance. Why is this the case?
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I’m a noob at circuit design and I’m trying to design a circuit to accomplish the following. I need some help in evaluating whether the circuit I’ve cobbled together would work, and whether you have …
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I have a pellet stove that after few minutes from startup turns off. I discovered that the cause is the smoke temperature that is too low (~ 30 °C, read on the remote) even when it’s burning. Of …
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In a regenerative receiver, the amplified signal is fed back into the input where it is amplified again and again in a loop. Here is another description of it used in old radios: It is basically …
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Greatest hits from previous weeks:
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I want to add a real time clock module into my little project. I want to display both time and date on my existing i2c 2×16 LCD module. Both i2c-interface real time clock module and 2×16 LCD module …
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What is the difference between cascode amplifier configuration and cascade amplifier configuration?
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As a novice electronics hobbyist, I have heard these terms and more being thrown around everywhere. At its root, I understand that they are all based on communication between devices, computers, …
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A teacher explained why by using a highway analogy. The more lanes you have, the faster the cars go through, where the number of lanes obviously represent the wire thickness and the cars represent …
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I have read different forums and watched a few youtubes (in addition to my textbook readings) and the explanations seem to fall short. The issue seems to be how we are first taught about a direct …
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I would like to know how the mechanical rotor frequency [Hz] can be obtained from the electrical stator frequency [Hz]? This is no homework! I have consulted several books as well as the web but could …
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I was reading this page www.asic-world.com/verilog/verilog_one_day3.html when I came across the following: We normally have to reset flip-flops, thus every time the clock makes the …
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Can you answer these questions?
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I would like to have a switch to select the operation mode of the DC motor (half speed / full speed). The DC motor is 12V 1000W. Is there a more simple way than using a speed controller (h-bridge)?
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I’m trying to start the heat pump from the generator, and it turns out successfully…for an hour. First of all, mandatory specs and preconditions: heat pump: Mitsubishi Electric PUHZ-SHW140YHA …
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In the past I have designed a platform that used an Intel Tiger Lake (Gen 11) CPU and now I have a new project that uses the AMD R6000 series. Different from Intel, the design of the DP++ feature …
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