Questions tagged [bridge]
A bridge is a circuit in which two circuit branches (usually in parallel) are "bridged" by a third branch connected between them at a point along them.
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I want the DC voltmeter to read 25 V. How do I adjust the value in the circuit?
I want the voltmeter to read 25 V across the capacitor and zener diode. How do I modify this circuit?
What additional adjustments do I need to make?
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UART-USB Bridge
Take the CP2102N for example. This chip is mainly a UART-USB bridge, but it also has a voltage regulator with it. Now to my question, can I use both bridge and regulator functionalities and hope that ...
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What kind of bridge circuit is this?
While I was analyzing the old Tektronix' sampling oscilloscope, I found the above circuit that is adjusting the bias voltage of the sampling gate diodes. I understand its purpose, but could not ...
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Balancing resistance circuit with two voltage sources
Hello, first I'm not sure if the title describes well enough the problem. I have the following circuit. Left side is a part of a voltage regulator.
Point A has a fixed potential of 1.2V (a feedback ...
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Voltage across an unbalanced resistor bridge
In the above circuit R1 = R2 = R4 = 1 ohm and R3 = (11/10) ohm. I have to find the voltage V.
Initially I tried using voltage division in (2 ohm/2.1 ohm) x 10 V = 9.52 V and (2.1 ohm/2 ohm) x 10 V = ...
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Circuit Design for Eddy Current Sensor
I'm a research engineer working on a sensor for measuring electrical conductivity in ionized flames. There are a handful of works looking at this without much success.
The main approach outside of ...
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Load Cell Bridge Resistances are ok but I cannot get reading from load cell
I have planar beam load cells that are not functioning. I bought a digitizer which was giving me a reading error which alerted me to an issue. So I unplug the cells from the summation box and I am ...
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Distortion from bridge driver
I am feeding a square wave signal into some NAND gates and then into an ICL7667 MOSFET driver, which in turn drives an LC circuit.
The enable is shown for reference, but if always on.
Trace 1 (yellow) ...
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Synchronous buck converter using DGD05463 gate driver: High-side gate goes high while low-side is also high --> Shoot-through
I am working on a synchronous buck converter design using the DGD05463 gate driver. The schematic can be seen below (the inductor is 4.7 µH). The input of the driver gets driven by a 400 kHz PWM ...
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How to get R_THEVENIN in Wheatstone bridge?
In the simplification of a Wheatstone bridge with Thevenin's theorem when we calculate the RThevenin as in the schematic. How to explain in another way that the resistor R1 and R3 are in parallel and ...
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What is the purpose of Vs and Vb pins in IR2110
I can't understand the purpose of these 2 pins and why the output wire from both the source of the high MOSFET and the drain of the low MOSFET is connected with pin Vs in the half-bridge circuit.
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Half-bridge converter - formula for mid-voltage capacitors
I am trying to make a real DCDC half-bridge converter based on this paper and I can't find a formula for calculating those two capacitors C1 and C2. In this paper the author chose C1 and C2 to be 3000 ...
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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 ...
