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.
133
questions
0
votes
1
answer
55
views
Unpredicted voltage drop at the output of a Graetz bridge
I used a Graetz bridge to rectify the voltage after transforming but it ended up making an unusual voltage drop. I don't understand what is happening.
0
votes
0
answers
47
views
Bad AC response from bridge circuit
Followup to this question.
Hi. I have the following bridge circuit to simulate a strain gauge.
I am conducting an AC sweep of it as another part of my circuit (currently disconnected) that uses the ...
- 913
2
votes
2
answers
138
views
Measuring inductance of motor coil with low Q factor
I have a motor coil that I suspect has an inductance outside the nominal range. I wanted to use a Maxwell-Wein bridge to determine the inductance of the bad coil. The main concern I have is that, as I ...
1
vote
2
answers
98
views
Input/output resistance for an accelerometer/Wheatstone bridge
I am looking at the MS 3028 Piezoresistive Accelerometer.
This is the internal schematic of the component, as a Wheatstone bridge, which per my understanding means it's a quarter bridge with other ...
- 913
1
vote
1
answer
71
views
What kind of bridge would reverse DC motor with negative signal
I am not an electrical engineer (aerospace trying to be electrical) and am building a solar tracker. TLDR Goal is to turn on M3 and M4 if signal is positive, and M1 and M2 if signal negative to drive ...
- 31
0
votes
3
answers
92
views
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?
- 57
2
votes
2
answers
92
views
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 ...
1
vote
1
answer
91
views
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 ...
- 607
1
vote
1
answer
97
views
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 ...
- 59
3
votes
3
answers
574
views
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 = ...
- 95
0
votes
0
answers
117
views
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 ...
- 145
1
vote
1
answer
85
views
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) ...
- 43
5
votes
2
answers
629
views
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 ...
- 107
0
votes
2
answers
386
views
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 ...
- 27
1
vote
3
answers
767
views
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.
- 11