Recent content by dwn

The "click bait" has become endless. Attention-grabbing headlines flourish across every platform and frankly, it's become ridiculous to even try fact-checking articles. For every article supporting a claim, there are just as many disproving it. Fake news, plentiful it is. Across the headline...

Thank you Dave, silly mistake thinking that the light probe was multisims version of the LED. After changing that and adjusting the components to their original values everything worked as expected.

I am reading The Art Of Electronics, and I realize this is more of an encyclopedia rather than a textbook. I have referenced other sources as this has mainly served as a compass for me to learn about each subject area. My question is fairly simple and straightforward. I'm using multisim to...

I've searched the internet and found a few sites, of varying depth, that contain some of the equations to calculating the solar path. At the moment, I'm not particularly concerned with precision. I am trying to discern the equations in order to implement them into a java program I am writing...

We used an oscilloscope to read the measured values, now I have to calculate the data with the given data for comparison. Then find the percentage error.

Homework Statement Series RLC - Band Pass Filter[/B] R = 2700Ω Vi = 5 Vpp C = 10 nF L = 33 mH I need to find the voltage across the resistor for different frequencies. Homework Equations w = 2pi*ƒ V = R*Vi / (jwL + 1/jwC+R) The Attempt at a Solution This is from a lab experiment. How can I...

My second port is no longer flat-lining, and I know I have to move the placement of the resistor in the circuit in order to get a reading of it on the oscilliscope, but the scope doesn't match my Vr measurement from lab, instead its looks closer to what I got for the Vcap measure. Could someone...

Nevermind the multisim question, I figured out what I was doing wrong. As far as calculating the phase angles: do I measure the distance between the source wave and the component wave (wave/division) then take the tan-1(dV/R)?

Homework Statement This is actually a lab I'm performing on Multisim. I've recreated a circuit that I build in lab class , but I'm not getting the output I need. I am trying to calculate the V and phase angle across each component. I already have the measurements found form the class lab. In...

The Vout terminal of the potentiometer or the regulator? Please excuse the density. o0) That all makes sense, I just wanted to make sure I had my ducks in a row.

haha, thank you Dave, I was actually just in the process on switching out that resistor. Update I think that did the job Dave. I hooked up the fan and it work, max current was around 75mA. Just to clarify, basically all the pot is doing on this circuit is lowering its resistance to direct...

Thank you for the tip. The current is pretty jumpy. I attached a 220 Ohm resistor to test the current and the highest read out was from 2.66 mA down to about 0. The DMM was jumping all over the place.

I think I may have the potentiometer mixed up, as Dax suggested. Looking at the pot from above, the first pin (left to right) is attached to ground, the second pin is attached to the Adj of the regulator, and the third pin is disconnected. Should I have all 3 pins of the pot hooked up?

Could you guys recommend a good brand for electronic measurement equipment, or more specifically oscilloscopes?

Hey Dax, I was rereading your post and I'm not sure what you mean about the pot. I have pin 2 of the pot (Vin) connected to the Adj pin of the LM317, are you saying that is incorrect? As far as I understand it, which is not, the input caps smooth out the voltage flow acting as a filter. When I...