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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57 views

Convert current to high voltage [on hold]

Is there any type of circuit to convert something like 160 A to high voltage I need to have a high voltage from 160 A and 4 kv input
0
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3answers
86 views

How would I go about converting a change in capacitance into a voltage?

Just starting out with electronics here as a physics student- I appreciate the help! In a simple LCR circuit with a variable capacitor, how would I go about detecting the change in capacitance and ...
0
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1answer
42 views

3.3V to 5V logic converter using p-channel mosfet

I am trying to convert a 3.3V logic signal to 5V logic signal. I am using a p-channel MOSFET and I can not get it to send the full 5V signal through. Below is the circuit I am using.
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2answers
71 views

Making higher amperes using the DC volts? [closed]

I have hear, but am not certain that this is true because I find it impossible( I'm only a junior in highschool been working that electronics with my teacher for about 4 years) but anyway, supposally ...
0
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0answers
23 views

Check the ADC internal Atxmega32E5

I am trying to use the ADC internal to the microcontroller Atxmega32E5. Hereafter there is the code for take the converted value from one channel of the ADC. Could you please suggest me an easy way ...
0
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2answers
70 views

unknown component in datasheet

im using xl6009 dc to dc converter , in page no 7 of datasheet the sepic inverting topology is show which generates 12 and -12v .my doubt is what component is used, is it a transformer or coupled ...
4
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1answer
109 views

What's an efficient way to get below the standard 1.25V on buck converters?

So, I purchased a buck converter which was advertised to be able to range down to 0.8V but, as you can probably guess, it only goes down to 1.25V which I understand is the reference voltage for the ...
0
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2answers
40 views

2 state converter, from -24VDC [ON] - +5VDC [OFF] to 5VDC [ON] - 0VDC [OFF]

So as the header says, I would like to take a 2 state signal (ON/OFF) where the on state is -24VDC and it's off state is +5VDC and make that/convert to a 0-5VDC 2 state signal, where 0 is the ...
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1answer
45 views

Connecting a bare condenser microphone to a RCA cable

I just bought a condenser microphone for direct PCB placement (i call it a bare microphone), I know it resists based on air vibrations (sound). So how could I connect it's 2 pins to a RCA (red white ...
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1answer
83 views

Convert 24V dc to negative 24V dc [closed]

My circuit is supplied by a 24V DC generator, but I have amplifiers in my circuit that need to be supplied by 24V and -24V, so I need to generate -24V dc from the 24V that I have from the ...
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1answer
66 views

converting an analogue signal to be viewed on a 7 segment display

How do I convert an analogue signal to a digital signal and display it on 7 segment LED's. This must be done without using any programmable micro-controllers. It's for a school project. The analogue ...
5
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1answer
111 views

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 ...
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1answer
94 views

Issue in High side Mosfet in bidirectional Buck Boost Converter?

i am making bidirectional buck-boost converter. The schismatic of bidirectional buck boost converter is attached here. Buck Mode = when PWM is applied to Q1 , it work as buck converter. when q1 is ...
0
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2answers
100 views

Why does my new 220V AC to 12V DC transformer only allow one Halogen light to work? [closed]

I'm trying to revive an old Ikea "Trettio" lighting set. The set is made up of a 220V to 12V transformer and 5 Halogen lamps connected to it in parallel. Remembering that the original transformer was ...
0
votes
5answers
109 views

What circuit I need to lower 20MHz 3.3-0V square wave to 0.01-0V square wave for very low load driving? [closed]

My FPGA board outputs the 3.3-0V square wave at 20MHz. I need to convert it to 0.01-0V square wave to drive the very low load (0.1 Ohm). What kind of circuit I need and Is there anything I need to be ...
0
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2answers
44 views

Understand boost converter's voltage conversion ratio

Below is a boost converter with its inductor current waveform operating in DCM. The voltage conversion ratio of the converter is as follows: M(D1,D2) = V/Vg= 1 + D1/D2 where V and Vg are output and ...
0
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1answer
47 views

Fried TPS61030PWP

I have constructed the circuit below which I put together based on the datasheet. I am testing this circuit using a bench power supply. I have tried 1.8V and 2.7V supplies. With no load or a resistive ...
0
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0answers
25 views

getting a sine wave in order to test a capacitor/inductor from full bridge dc dc converter

I would like to get a pure sine wave from full bridge dc-dc converter by filtering the pulse wave output of dc dc converter. Is it possible to add a LC filter (first order or second order) to get a ...
1
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0answers
71 views

12VAC to 12VDC Converter Requirements for RGB LED Controller

I have an outdoor lighting transformer (operating at the usual 12VAC) that I want to add a strip of LED lights in a new run. The transformer has two legs, each ...
1
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2answers
106 views

Which component is this?

I salvaged a few components like that from some old ISA Ethernet card (10Base2 + 10BaseT combos), many years ago. If my memory doesn't fail, those boards were replaced by 1995, I kept them, and ...
0
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2answers
54 views

Question on LM2577

I have a hard time fully understanding the datasheet of LM2577. I bought this product that has a LM2577 in it and the specifications indicated by the seller that it can have a maximum output current ...
3
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3answers
110 views

Buck-Boost converter question

I have a school task for creating a Buck Boost converter that takes 12V and outputs -48V. I have done some digging and couldn't find my answer since I could only find converters that give a number ...
0
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1answer
77 views

3 phase AC Voltage controller question

Hello I have a question regarding the operating characteristics of 3 phase AC voltage controllers, the images describe the relation in between Van and (VAC,VAB,VBC) The last image shows the resulting ...
0
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1answer
42 views

DC motor temporary speed change with simple Boost Converter

I would like to know is if it is possible to give a slight voltage change to a dc motor with simple electronic items. Meaning that the voltage would normally be a set amount (10v) but would either ...
0
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3answers
101 views

Use a microwave motor to power LEDs

I have an AC motor that came from a microwave turntable on the back it says 120v 2w 6rpm. I would like to use it as means to generate some electricity. I have a full wave bridge rectifier to convert ...
4
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2answers
104 views

Advice and critical remarks regarding the manufacturing of a DC-DC step-down converter

I'm in the third year of my electrical engineering major and I want to take things a bit further than the usual analogue electronic circuits I've studied thus far by making a DC-DC step down converter ...
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1answer
48 views

Can a wind turbine full-scale converter absorb active power?

Is a full-scale converter of a wind turbine type 4 capable of absorbing active power? If it is possible, where would this power be dissipated? If yes, where would this active power go, in the ...
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1answer
52 views

Will a 110-220v to 12v converter work with a DC 12v 3w LED bulb? [closed]

I'm planning to create some wall lights using these LED bulbs. Would I be able to just use any 110-220v to 12v converter to power this at home? I live in the US (120v). I was thinking of using this ...
0
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1answer
75 views

Bipolar Voltage to Current Converter

I need a circuit or component which converts bipolar voltage to bipolar current. I have found the XTR111 from Texas Instruments and the 1B22 from Analog Devices. However, they only convert 0-10 V to ...
0
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1answer
43 views

Rc car, power supply instead of alkaline battery?

I have an RC car which works with 8 AA alkaline batteries, which make a total of 12 volts. I want to replace the battery with a 12v 2A power supply (batteries cost away too much...) Do you think the ...
1
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2answers
63 views

Supercapacitor Voltage Draw

If I am charging a super capacitor with buck converter, that is a 1 amp, 1-18 volt output, and the capacitor is rated for 2.5 volts, how do I stop the buck converter from feeding it more than 2.5 ...
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1answer
50 views

Buck converter is stuck at a certain voltage?

We are currently building a buck converter (see below). Values of components: Capacitor: 15 micro Farad Inductor: 1.41 milli Henry Mosfet: N-mosfet Resistor: 330 ohm Problem: When applying a 15 ...
0
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2answers
50 views

Voltage increase per cycle across capacitor for a boost converter

So I'm looking to make a high voltage capacitor charger using a boost converter and I'm wondering how much voltage the capacitor will increase per cycle of the boost converter. In reality, I would ...
0
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4answers
218 views

Can I use a DC-DC buck converter with an arduino

I'm just starting out with electronics and arduinos, but I want to ask if i'll be safe using an LM2596S DC-DC step down buck converter as the regulator for my arduino project? I have a few to hand ...
0
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1answer
68 views

Step up converter for electrical motor, 110V to 230V

Wasn't being careful when purchasing a vacuum pump for silicone de-gassing so I ended up with an american standard. (I live in sweden) Tried to search this but with limited knowledge comes limited ...
0
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3answers
119 views

Does a boost converter lower the source current of a solar panel?

I am trying to build a solar powered phone charger using small size solar panels. I have two solar panel connected in series, each of them are 4 V and 50 mAmps. When I connect the solar panels to the ...
0
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1answer
42 views

Calculating the time for current reducing to zero from a charged inductor in a series LC circuit

I'm wondering how you calculate the time taken for the current in a charged inductor to reduce to zero with the only current path being through a capacitor. I'm looking at this from the perspective of ...
1
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2answers
98 views

High Current DC Power Supply

I'm attempting to build a compact way to charge six laptops (of the same model) so that I may avoid using six individual power cables. I'm trying to make it cost-effective yet safe. My initial design ...
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1answer
98 views

VHDL to Verilog conversion for Parking Sensor

I am trying to do parking sensor with verilog and I have its vhdl code and trying to translate it to verilog can you please help me to find out what is my problem. There is no error the error is only ...
-2
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1answer
65 views

DC to AC converter

I know there are lots of circuits that do this, but I need to design a circuit that has a DC input and a square wave output by using any of these components: capacitors, inductors, OpAmps, resistors, ...
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2answers
95 views

What effects will a 220 to 110 transformer have on an electric oven? [closed]

I'm a Jewish person looking to bake matzah, which in English is called unleavened bread. There are particular ways to do this, and particular ovens to get, but most of these things are made in Israel. ...
1
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3answers
161 views

How to make a boost converter circuit

I've seen multiple different explanations on boost converter circuits, these two specifically explaining in very intimate detail how they work, and on how to calculate certain values: How to design a ...
1
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1answer
90 views

What would happen if you connect a solar panel to a buck-boost converter?

What would happen if you connect a solar panel with the following characteristics: Max Power:3.5W Voltage: 6V Open Voltage: 7.2V To a buck-boost converter that convert an input voltage in the ...
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votes
2answers
135 views

Convert 5v 20mA to 12v 0.4Amps

I am going to be making a 3d printer and i have made a circuit to control it. However, the stepper motor is 12v 0.4amps and the circuit is 5v 20mA. I need a way to amplify, but if you can show me, ...
0
votes
1answer
177 views

Need circuit for 12 volt 2 Amp step down power supply from 18 volt 1.5 Amp Input

I have a power supply which outputs 18v 1.5 amp. For the purpose of my project, I need a 12v 2 amp power supply. I was wondering, if I can make a simple buck converter to convert 18v 1.5amp DC to 12v ...
0
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0answers
84 views

PWM Pattern for Isolated Boost Converter in PSIM

i have to simulate full bridge Isolated boost converter as shown in the figure. i am very confused about the PWM pattern. how can generate for four cycle in PSIM. please suggest me the how to set the ...
0
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1answer
91 views

Convert sine wave from NRG Anemometer to square wave

I am hoping to interface an NRG #40C anemometer to an Arduino. The anemometer outputs a frequency which is linear with the wind speed which equates to 1.711 mph/Hz. However the output voltage ranges ...
0
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1answer
99 views

Sine to pulse converter circuit help

I have a sine to pulse converter box(LM2903 is used), it works very well and I also have the circuit schematics. The converter converts the mV level sinusoidal signals to pulses. I want to rebuild ...
0
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2answers
452 views

Negative to Positive Voltage Converter

Is there an easy circuit or IC that will convert negative voltage to positive voltage and retain the initial value? Context below. I am trying to add a volt meter to my power supply using some old ...
0
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1answer
75 views

Self resonant frequency of buck converter

I know that one can calculate the self-resonant frequency for an LC filter of a simple buck converter(having one inductor and one capacitor at the output) by the formula 0.5*pi*sqrt(LC). My question ...