Questions tagged [bridge]

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Bridge purpose in connecting the two functional circuit

Anyone generous enough explain the function/purpose on connection between the first pin of each R12 - R22 interposed by a low C ? on https://www.eevblog.com/forum/projects/5-transistor-esr-meter-...
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2 votes
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37 views

Triboelectric Nanogenerators Full bridge rectifier design

I am working on energy harvesting from Triboelectric Nanogenerators abr. TENG (mechanical to electrical high impedance converters) and wanted to validate my understanding of the following circuit and ...
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MIPI Bridge 2.5Gbps or Above [closed]

I was looking for some MIPI bridge solution and mostly found MIPI to LVDS Bridge. But the problem with LVDS is that it can't support more than 1.2Gbps. I was looking for some solution which can ...
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1 vote
1 answer
128 views

MAX14830 SPI UART Bridge not transmitting

I am using a MAX14830 SPI-UART bridge. I am trying to initialize the chip and get it to transmit a few bytes out of one of its UART. I can write to the UART's THR register, which gets added to the ...
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Issue with Single Phase to Single Phase Cyclo converter Circuit

I am new at this forum. I am trying to make a circuit for single phase to single-phase cyclo converter. Using Pic Micro Controller for Triggering Gate of Trails. Triac -> BT151 Optocoupler -> ...
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1 answer
156 views

Why the MAX14830 does not transmit?

I am using a MAX14830 as an I2C-UART bridge. My problem is that it does not trans it after I write data to the transmit (THR) register. My initialization procedure is as follows: Reset the chip (set ...
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1 answer
193 views

PCIe - SATA bridge/host controller ICs unavailable to the hobbyist/from low volume suppliers?

I was toying with the idea of a project that would involve adding a SATA device to an existing PCIe lane; probably far too ambitious for me, but before I could confirm that I noticed that there aren't ...
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2 answers
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Bridge rectifier still putting out ac and dc, why?

I have a bridge rectifier on my snow blower and it still producing 8 V of AC current and 24 V of DC current. Anyone know why it would still be producing both AC and DC?
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162 views

How does this T-network op amp function as a boost filter?

Supposedly this circuit is supposed to be a bass frequency booster. I've been using this article as a reference, although the circuit they analyze is a different layout than mine. I apologize if my ...
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2 votes
1 answer
250 views

Reading EEPROM memory (Winbond W25M02GV) with FT4222H USB bridge

I would like to read an EEPROM Memory (SPI Flash Winbond) using an FTDI USB/SPI bridge (FT4222H). I developed a c++ application that connects to the FTDI and reads data from the memory(and using the ...
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1 answer
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Are those two AC bridges equal. If not, how do they behave differently?

I do not understand if the following circuits are equal or if there's any difference in how they behave. I assumed that it depends on the current, but then I have seen both used with AC and DC, so ...
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2 answers
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Speaker wired in parallel & connecting to stereo amplifier [closed]

I just bought two 2-way in-ceiling speakers (Yamaha NS-IC800). Each of them is rated at 8 ohms. I wired them in parallel (so it's 4 ohms in total): The amplifier I will be using is Nobsound NS-20G ...
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Current at specific moment in bridge circuit

At the below circuit i need to calculate the current Iab at 300 μs,can i apply voltage division to get the voltage across the appropriate resistors(30KΩ and 120KΩ)and by applying ohms law finding the ...
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bridged emitter follower - how does it work?

I built a rough test version of the above circuit, it is intended as a bridged (i.e 'balanced') unity gain buffer for headphones. The test circuit seems to work, as in there is sound and it is not ...
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3 votes
1 answer
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In what situation,we should consider the balanced bridge when we calculate the equivalent capacity?

Question: Find the value of the equivalent capacitance between \$a\$ and \$b\$ Solution:Because of the balanced bridge,so the circuit become So \$C_{ab}=30 \mu //[(4\mu // 6\mu)+((6\mu // 9\mu))]=5\...
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1 answer
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Drawing Signal Flow Graph from Bridged-T Network

I am confused about where to place R1. Is it a feed-forward or feedback term? Y1 and Y2 are admittances representing the capacitors.
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How a wheatstone bridge is used in operational amplifiers? [closed]

How a wheatstone bridge is used in operational amplifiers?
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1 answer
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bridge rectifier [closed]

I've got a PCB board with a bridge rectifier with PIN (AC + AC -) I think I made a mistake because almost all bridges are (+ AC AC -) I try to find any bridges of 3-5A on Aliexpress but I didn't find ...
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5 votes
4 answers
2k views

Why does my MIC4605 keep blowing up?

I'm trying do design a mini-PCB, replacable half-bridge for motor control applications. The primary application is to use it with my modular inverter/BLDC/BDC controller. The controller design assumes ...
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1 answer
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How do I calculate the capacitance in this circuit?

I can't find any source online to how I can calculate the capacitance in this circuit, the previous questions seem solvable, but any help would be appreciated thank you!! Here’s a formula I found, ...
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0 votes
1 answer
199 views

USB to UART Bridge IC question

I have a few basic questions regarding this USB to UART bridge IC My questions are just from the hardware perspective. I have little to no software knowledge. So please bear with me and help me ...
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Load cells in Wheatstone bridge to produce logic signal

The goal is to use 4 units of 50kg load cells in Wheatstone bridge to act as a load detector. It should output a logic 0 or 1 if the load is greater than a threshold value. A MCU will read the states ...
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3 answers
350 views

Can I use this DPDT relay with this circuit? If so, which wires connect to what terminals?

I'm following this tutorial to wire an automatic chicken coop door. The DPDT relay they're using is different to my relay so I'm finding it difficult to understand which wires connect to where. I'm ...
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1 vote
1 answer
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What is an impedance bridge?

Today, I saw a very old historical piece of lab equipment at the university. It had a large number of dials, although not as large as you would see in an oscilloscope. The size was similar to an ...
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-1 votes
1 answer
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I don't understand Schottky bridge in op-amp circuit

I was going through a circuit and got confused on a bridge part. I am not very good in circuit analysis. Can anyone guide me the working of attached circuit and what is the role of bridge in such kind ...
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2 votes
2 answers
719 views

Is it possible to connect a peripheral mouse to the USB side of a USB/UART bridge that is controlled by a CP2103 chip already on an FPGA board? [duplicate]

As the title states I want to connect a USB mouse to the USB port on a USB/UART bridge. I want to determine if it is possible to communicate with the mouse using serial commands on the FPGA board then ...
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2 answers
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RTD temperature measurement system resistance question

I am trying to produce a bridge circuit for the following temperature measurement system: Designed to measure temperatures between 0 C and 100 C with a high accuracy. When supplied with a 10 V ...
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2 answers
616 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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1 vote
2 answers
778 views

Unstability with TDA2002 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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0 votes
1 answer
125 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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1 answer
164 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 ...
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0 votes
2 answers
497 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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How can I reduce the RMS value for a bridge rectifier?

I need to reduce the rectified DC voltage. Is it possible to reduce the RMS value after the bridge rectifier i.e before the capacitor? Practical value (at the capacitor) is 34 DC voltage. I need to ...
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14 votes
1 answer
2k 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 (...
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5 answers
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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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2 votes
1 answer
318 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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1 answer
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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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2 answers
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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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1 vote
2 answers
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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 ...
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-1 votes
2 answers
2k 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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2 votes
3 answers
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. ...
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1 answer
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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?
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0 votes
1 answer
134 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 ...
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-2 votes
1 answer
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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?
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0 votes
2 answers
200 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 ...
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2 votes
2 answers
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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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1 vote
1 answer
2k 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?
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2 votes
2 answers
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MCP2200 doesn't work everytime

I have designed a PCB which has LM1117 (for 3.3V), Micro USB connector, MCP2200 usb-to-uart ...
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1 answer
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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 ...
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4 answers
592 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 ...
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