Newest Questions
212,447 questions
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digital electronics [closed]
[![enter code here][1]][1]
[1]: https://i.sstatic.net/iV0m3xMj.jpg Q1. (Resistive Load Inverter Analysis)
Draw the VTC of the inverter in Figure 1. Use the ...
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0
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17
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Altium 3D - Perspective view not showing tracks correctly
I'm having an issue with my 3D view in Altium. When I use perspective mode, the tracks seem to be "inside" the board, whereas ortho works ok.
When I open this same file on a different PC, it ...
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1
answer
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Does solar panel push energy or instead load drain energy? Safety concerns regarding max current rating
My charging station DC spec is Wmax = 600W, Vmax = 60V, for 11-32V the supported current is 10A max, for 32-60V, the supported current is 12.5A max. It has an MPPT controller.
My solar panel spec is ...
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Command to Several Slave using a Frequence Generator Master
I am generating varaiable Frequency and duty cycle PWM pulse using a master STM32F103C8T6 on PB4 pin (TIM3_CH1). Following show my code:
...
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1
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P-JFET strange behaviour upon negative Vgs
simulate this circuit – Schematic created using CircuitLab
I am trying the understand the working of a P-JFET. Why is the behaviour strange for Case-3? Is it a simulation issue?
- 3,344
1
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1
answer
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Interpreting the datasheet of P-JFET MMBFJ270
Why are there two curves for transfer characteristics of MMBFJ270?
Does it mean drain current can be bi-directional based on VDS - If so, I assume a typo in VDS parameter?
Or does it refer common-...
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1
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LPDDR4 T Branch topology layout routing length match
For LPDDR4 T Branch topology layout routing do I need to match the length of Level 1 branch also with A0 with other address group like A1 A2 etc should be also equally length match.
Level 1 branch ...
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manufacturing a 180-degree phase-shifting transformer [closed]
I wish to manufacture a 180-degree phase-shifting transformer.
We have an E-shaped transformer.
The primary winding circuit is powered by 220 volts, 50 Hz. It is necessary to make from one source of ...
2
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2
answers
52
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Low pass filter output stuck at supply voltage
The schematic shows 2 transimpedance amplifier circuits on the first stage, for reference and sample photodiodes. The outputs are then connected to sallen-key butterworth circuits for low pass ...
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1
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1
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Off Grid Solar delay on relay switch
Delay-ON relay in noisy 24 V DC (golf-cart converter) environment keeps failing—looking for a field-hardened, minimal-parts topology. Rail is ~24 V from a floating, capacitive converter with ripple/...
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USB codec CM108B&93C46
I'd like to use CM108B USB codec IC in our product and have encountered some issues with the EEPROM content format (93C46).
I believe the information in the datasheet is insufficient for a complete ...
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47
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Would this motor growler from a microwave oven transformer work? (Drawing included)
I want to make a growler to test motor rotors / armatures.
I want to use a microwave oven transformer, removing the secondary coil, cutting the centre out (where the two red lines are) and removing ...
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43
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One Fluorescent Tube Slightly Brighter than the Other: How to diagnose?
I encountered 2 fluorescent emergency lights, each with 2 6-watt fluorescent tubes. When their two tubes are turned on, one tube is slightly brighter than the other. Switching the two tubes do not ...
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3
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4
answers
186
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Zener+Capacitor+BJT-based noise generator: How to calculate the DC bias on the output by hand?
I am exploring the DC values on a noise generator given by the Circuit Digest web page at Simple White Noise Generator Circuit. Expressed in CircuitLab, we have:
simulate this circuit – ...
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5
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230
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How to characterize ringing?
This is a very conceptual question without a specific example so I hope to articulate my confusion by two categories:
Lumped circuit model:
In a lumped circuit model, when the inductor and capacitor ...
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