Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [converter]

A circuit that converts a signal from one form to another: analog to digital, digital to analog, voltage to current, current to voltage, etc. The key to understanding is the transformational properties of the circuit, as opposed to just amplification or buffering.

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230V AC to 5V DC converter, lossless

Is there any IC which converts 230V AC to 5V DC? As lossless as possible. I want to connect my microcontroller to an ordinary electrical socket and I don't have enough space available. Thanks.
arminb
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Explain the logic of a 12 V to 9 V conversion

How does the below circuit work? I know what resistors, capacitors, and transistors do and have played with them on a microcontroller board, but am I trying to understand the logic of the circuit. I assume there is a relationship between the 22 ohm…
stack web
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How to calculate air gap in flyback transformer?

I’m designing (or at least trying to design) a flyback converter on LM3478. I chose the EFD20/10/7-3F3 core [1]. Using a PDF from Infineon [2] I calculated that I need a primary winding inductance of about 56µH and a turns ratio of 1:22.125. I have…
urhen
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Full-bridge converter rectifier kicks

I'm in the process of building an 8kW isolated DC/DC converter, full-bridge topology. I'm seeing some interesting phenomena on the diodes. When each diode becomes reverse-biased, a voltage spike appears across the diode, before settling down to the…
Stephen Collings
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Where are Ćuk converters

According to "the art of electronics" (p 651) and other internet sources, the ćuk switch converter has the most desirable properties: continuous input and output current waveforms, boosting and bucking, and "zero-output ripple" current. There are…
MikeTeX
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DC-DC Boost converter in Parallel

I'm trying to power a 12V 1A device with 1 cell lipo battery. At 12W, the lipo would need to provide 3.24A (assuming no power loss) to step up the voltage to 12V and providing 1A. However the DC-DC Boost coverter (XL6009) is rated at 2A continuous…
Infrasonic
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How can I convert a PNP to NPN transistor?

I have a circuit which requires a PNP transistor. I only have an NPN transistor. Is there a way to convert one to the other given that they have the same characteristics (apart from the npn/pnp part?) And for others after me... can the reverse also…
Toad
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Why do we allow discontinuous conduction mode (DCM)?

I know that DCM occurs when ripple is greater than the DC component, but why would we allow ripple to be greater than the DC component? Don't we see ripple as something undesirable and try to minimise it? Does DCM occur because there are some…
Urthona26
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Calculating values for compensation network (boost converter RC+C network)

I'm trying to build a boost converter with current mode PWM control, but I'm stuck at selecting capacitor and resistor values for compensation. I'm using a LT1619 as the controller IC: simulate this circuit – Schematic created using…
Daniel Tork
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What is Namur how does it work?

I found a TTL converter box made custom made many years ago. It says Namur_to_TTL converter on it. What is Namur? I googled but couldn't find a clear explanation.
GNZ
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In digital systems do we discretize both time and magnitude or only time?

In studies of Digital Circuits or Digital Electronics or Digital Systems, the very first step is to convert an Analog signal / Analog system into a Digital Signal / System. In this process of converting an Analog function to a Digital Function, do…
Atanu Sarkar
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4-20mA to 0-3V3 Converter

Looking for a simple design to convert from 4-20mA signals to 0-3V3, I'm thinkin about configuration shown at picture attached. And I would like to discuss its suitability. It is based on: - A follower configuration for a Rail-to-Rail OpAmp,…
Yolco
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Extract 5W low voltage power from 3000W high voltage source

I have a solarpanel array that generates 600V, 5A (3kW). I want to create a small electronic unit to measure the DC current and voltage and transmit this wireless. For this I have an electronic board with ADC's and transmitter. This board uses a…
Enrico
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RGBHV (VGA) to YPbPr Converter and Waveforms?

Purely for hobby, I am working on an RGBHV (VGA) to YPbPr (Component) converter circuit for old games consoles modified to output RGBHV on a VGA cable. From the game consoles, the RGB signal is taken from before the composite encoder chip and the…
Lt.Derpington
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Understanding Boost Converter

Theres a very good explanation for the Boost Converter on Wikipedia. But it is a very mathematical explanation. How would you explain the Boost converter to a non Math person like me?
cheeky
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