Questions tagged [bridge]
The bridge tag has no usage guidance.
0
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0answers
52 views
Measuring current in the case of bridge amplifier at several MHz
Is there a way (or some chip) to measure current at about 5 MHz when the bridge amplifier is used? The output is a sine with amplitude 15 V. I need to measure accurately both amplitude and phase (the ...
0
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2answers
46 views
Impedance of individual component in complex AC circuit
In a AC circuit with just a capacitor or inductor, reactance is the impedance of the component, and in a non-complex RLC circuit you can just find the total impedance with vector addition (Ztot = sqrt(...
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1answer
52 views
Unstability with tda 2002 bridge configuration
I'm trying, for MONTHS (obviously not everyday, but I spent at least more than 80 hours on this) to do a 15 W audio amplifier with two TDA 2002's in a bridge configuration, following the circuit ...
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0answers
24 views
ESP32 - MCP2200 Bridge for Programming
I am quite new to PCB design and hardware (I am a high-level coder for my day job and Java/Android/SpringBoot at that...) and have come across the ESP32-WROOM board and want to incorporate it in to a ...
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0answers
39 views
Motor protection options
What is the better option for the following bidirectional motor protection?
MOTOR VCC is 6V - 8.4V
I'm not sure what working voltage and breakdown voltage of the ESD diodes.
What are the best ...
0
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1answer
57 views
Purpose of Buffers in this Circuit
The schematic below is an H-bridge , the high and low mosfets are internal to the two ICs on the right side, their datasheet is here.
What is the purpose of the part on the left, which I googled to be ...
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1answer
63 views
2 x 2 n-channel mosfets in series: does my circuit has any flaws?
For a hobby project I would like to switch between two power supplys.
The load are two motors which can also be switched on and off separatly. The two motors are BLDC controllers in reality.
I am only ...
0
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2answers
142 views
Stereo or bridged mono? (LA4597)
I have a stereo amp (LA4597) and is currently wired in a standard stereo circuit. Recently, I read an updated answer from one of my questions stating that wiring the amp in bridged mode doubles the ...
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1answer
93 views
how to reduce the rms value for a bridge rectifier?
hello!!
can any one help me with this circuit.i need to reduce the rectified dc voltage.is it possible to reduce the R.M.S value after the bridge rectifier i.e before the capacitor? practical value (...
14
votes
1answer
907 views
What is a “universal bridge”?
I recently came across this intriguing instrument from the 1970s(?):
It's a "Universal Bridge" made by Wayne Kerr.
It's not a type of device I've come across before and I'm curious what these are (...
0
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0answers
85 views
Low latency SPI communcation between computer and MCU
I'm working on a project that requires low latency (< 1ms) SPI communication between a desktop computer and an ESP32 micro controller. The package size of every transaction is between 15 - 30 bytes ...
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4answers
217 views
Question regarding ripple factor
For the pictures above, I am confused as how to how they got/derived the formulas for the peak to peak ripple voltage (VrPP) and Vdc. So far, I got the output voltage, which is 14.9 volts. However, I ...
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1answer
204 views
What is the purpose of these diodes in half bridge
I am checking out a schematic for a full bridge and I noticed these diodes at the gate of every mosfet and I do not understand their purpose there. Can someone elaborate please.
The IC to the left ...
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1answer
91 views
What are these parts and elements in the schematic doing?
What are these transformers before the bridge? Whats the purpose at all of the schematics before the diode bridge?
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2answers
207 views
Question about a Wheatstone bridge
Q) Suppose each bridge resistor is capable of dissipating 250mW. Can the bridge be left in the balanced state without exceeding the power-dissipating capacity of the resistors, thereby damaging the ...
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2answers
179 views
half bridge smps with synchronous rectification basic working principle
I am trying to understand the basic working principles of a Half Bridge SMPS with synchronous rectification. Whilst I understand the workings of a Half Bridge SMPS with diode rectification, I fail to ...
-1
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2answers
806 views
Designing a full wave bridge rectifier [closed]
I am making a bridge rectifier using 1n4001 diode and a step down transformer 0-12 my question is:
a) What value of smoothing/filter capacitor should i use?
b) I tried two different capacitor one of ...
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0answers
51 views
Bridge circuit balance equation
I am currently studying bridges in electrical circuits. I have stumbled upon a schematic that I cannot find its balanced equation.
What I have tried so far is combine the R3 with L1 to a Ζ3=R3+jΩL ...
2
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3answers
1k views
1N5062 is getting hot at only half of its rated current
I have a rectifier bridge with 4x (GP)1N5062 diodes (body made of black plastic tube - like 1N4007). I have seen that they are getting hot, even if the current passing through the rectifier is 0.95 A.
...
-2
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1answer
103 views
Does output current track input current, in a bridge rectifier?
In a bridge rectifier, will output current vary in proportion to input current?
Or only voltage to voltage?
0
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1answer
75 views
Power consumption of TDA8029 USIM controller for 3V/5V cards
we are using TDA8029 in one of our application board.
Just a summary of the circuit.
TDA8029 in our board connects a USIM card and reads the data and sends on UART.
In our board, 2 supply inputs of ...
0
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0answers
34 views
24vac 5a recitfier design
I am from the stack exchange and looking for advice on a matter of rectifier daughter board.
During a soldering station upgrade with a module that sells as a Hakko T12 digital controller with T12 ...
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0answers
185 views
H bridge motor driver circuit help
I have two npn transistors (MMBT2222)
and pnp (b772) and a motor (500 ma 5v)
and a microcontroller working with 3.3v and I want to control the motor with this microcontroller so what value I can use ...
-2
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1answer
70 views
Do I need to use rectifier when my input source is wind power? [closed]
Do I need to use rectifier in my circuit design when my input source is wind power to dc motor to generate the required voltage and current to charge a cell phone device?
0
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2answers
107 views
Bulk Rectification Capacitor Exploded on Tesla Coil Halfbridge
I have been troubleshooting a clicking noise on my Tesla coil driver that causes the system to stop working if my AC line voltage got to high (80V when system is designed for 120V). Suddenly one of ...
2
votes
2answers
486 views
Alternative Wheatstone bridge for thermistor - Interpretation needed
I have a problem understanding the following Wheatstone bridge circuit. It originates from a temperature controller, the voltage V_out is supplied to a PID regulator and hence can be seen as an error ...
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1answer
1k views
Why can't a Wheatstone bridge measure resistance of very high value?
The answer is from google but I don't get it. Can someone explain in more simple way?
2
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2answers
416 views
MCP2200 doesn't work everytime
I have designed a PCB which has LM1117 (for 3.3V), Micro USB connector, MCP2200 usb-to-uart ...
0
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1answer
107 views
Additional resistor in feedback loop of bridge audio amplifier
Here is the bridge configuration of the TDA7294 audio amplifier, from its datasheet:
Everything is clear, despite the 22 kOhm resistor connected between output of "top" amp (pin 14) and inverting ...
0
votes
4answers
315 views
Feasibility of reverse polarity feature
If I were to design a circuit for a small appliance that works in DC and I would want to allow it to work with the batteries in reverse polarity could I feasibly use a diode bridge?
Would it make ...
1
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2answers
1k views
Difference between push pull and half bridge
I don't understand well the difference between push-pull and half bridge. Someone told me it was totally different but as I understand it, half bridge is a generic name where we have 2 switches and a ...
0
votes
1answer
2k views
Full-wave controlled bridge rectifier and the RMS voltage derivation?
I have a question that reads:
A full-wave controlled bridge rectifier is considered, shown below. Vs = 230V. Load is represented by \$i_o = 10\$ A. Frequency is 50 Hz and the delay angle is 45\$^{\...
0
votes
1answer
71 views
Error in my efficiency calculation for FWB rectifier?
Question reads:
A full-wave bridge rectifier with an RL load is connected to a 120V source. If the load resistance is 10.8 \$\Omega\$ and L is very large, find:
(a) Average load voltage
(...
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2answers
135 views
Probe testing LFCSP components with a multimeter
If I reflow a LFCSP IC such as an ADV7180 I probably won't be able to see any solder bridges or unsoldered pads because the pads are under the chip. Can I safely test for bridges by using a multimeter ...
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1answer
572 views
How to design CMOS bridge rectifier?
I designed the bridge rectifier circuit.
I wnat to make a full-wave rectification. so, I made a CMOS circuit.
I refered to other papers. Figure2.
"An ultra-low-voltage self-powered energy harvesting ...
0
votes
1answer
248 views
How is SC16IS740 programmed?
I'm interested in using the SC16IS740 UART-SPI converter to interface with W5500 Ethernet controller which has SPI inputs. Because the datasheet is unclear to me, I'm asking if anybody knows how is ...
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2answers
138 views
Bridge rectifier transformer sides reversed [closed]
what will happen at circuit output of a bridge rectifier if the ac supply is connected to secondary and rest of the circuit is connected to primary winding of transformer? Please give me the circuit ...
0
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2answers
183 views
Why is there a resistor bridge before the amplifier?
I really fail to understand what the resistor bridge before the amplifier does. Can I just connect my inputs to the - and + ports?
This was taken from the datasheet for INA125, and they use this ...
2
votes
2answers
242 views
Risks of using device body as heat sink for IGBT and Bridge rectifier
I want to know is any risk factor (electrical shocking or ... ) for using one aluminum (4mm) device body which is used as heat-sink for IGBT and Bridge rectifier that are working with 220 volt power?
...
2
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2answers
727 views
LTspice unlogical DC offset
I have a Problem with an LTspice simulation. Specifically, I am designing an 12V bridge amplifier. The Problem in my simulation is that there is an DC offset which partially defies logic as far as I ...
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0answers
288 views
Do 0402 chip component need solder mask web between the pads?
In my board, all 0402 parts are using gang solder mask.
The pad to pad distance is 10 mils. Is there any risk of solder short?
Do I need to suggest applying solder mask web between the pads for all ...
0
votes
1answer
550 views
AD698 Half bridge LVDT circuit
I am trying to measure distance using LVDT sensor and AD698 IC. I don't have data relating the sensor I am using. I am simply tried to copy the distance measurement with device I already have. I ...
0
votes
2answers
679 views
Half bridge galvonic gate drive with deadtime
I'm a Tesla enthusiast and build Tesla coils now and then. One thing I have always wondered, a lot of designs (some very popular) utilize a transformer to drive a N-MOS half bridge (see image below). ...
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3answers
2k views
Bridge rectifier output voltage at no load?
(First posting)
I am building a simple PSU with a torroidal transformer and bridge rectifier. I'd like to know the output DC voltage from the rectifier while under load. e.g. charging a battery.
I ...
1
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3answers
812 views
Wheatstone bridge offset
I have a Wheatstone bridge but I don't know the values of the resistances in it.
My excitation voltage is 5 V. But instead of having 2.5 V on each output lines I get one line at 3.3 V and the other ...
2
votes
1answer
751 views
Obtaining Anderson's Bridge Balance Equation
I'm trying to learn Anderson's Bridge Balance equation.I dont know how this value is obtained
Why are they equating the voltage drops across branch one and the sum of the voltage drop across branch ...
1
vote
1answer
90 views
Should vias really have bridges?
I have been always using bridges with vias. I gues that doesnt hurt but recently I though is it really necessary?
I know that they're purpose is for the soldering process to be easier, otherwise it ...
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1answer
2k views
How to add a capacitor and switch correctly to piezoelectric circuit?
Am a hobbyist beginner with no prior electrical engineering knowledge (though can follow a basic circuit), so please bear that in mind when giving your valued advice! am following an instructable to ...
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2answers
136 views
Trouble Understanding Shunt active power filter using instantaneous power theory
I have a demo Simulink model of a shunt active power filter using instantaneous power theory (Source, unbalanced none linear load and the filter, a very sample one, that i am using to understand the ...
2
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2answers
2k views
Why is the power supply terminal is not connected to ground in this bridge rectifier?
Above is two identical bridge rectifier circuits. Input is a 12V sinusoidal voltage source. Red is the source. Blue is the output from the circuit on the right side. Green is the output from the ...
