Recent content by AndrewBourhis

Yup, the bandwidth is in that range. I suppose you are also correct about the ETD signal as well. I'll do some tinkering tomorrow with the oscilloscope to see if I can get it working. Thanks a bunch for the help. Nascentoxygen, if the transistor is not in it's ohmic state, the voltage on the...

I would be surprised if there was an opto-isolator, but I will look into it. I hadn't really considered tinkering with the z-axis amp directly because the voltage potential that you describe between the cathode and wehnalt is too large to handle directly, although if I can find such an isolator...

I've never used a FET as a resistor before. Do they function in a similar manner to a typical field effect transistor, like a MOSFET? Would I reference the signal ground to the oscilloscope's ground? I'll look into this as a potential option, thanks a bunch. EDIT: I've been thinking. Would...

I have the thing sitting here. It does not have a z-axis input on the rear panel. It is a s-1325 model which does not have this input option, much like the s-1330 does that you are describing. I have been through those manuals, I was wondering if it is possible for a workaround of some sort.

If you don't want to build your own, you could just buy battery-powered, wall mount LED night-lights. http://www.destinationlighting.com/storeitem.jhtml?iid=337903&utm_source=GoogleShopping&utm_medium=CSE&utm_campaign=AccentLamps&gclid=CN3M_b2N-rgCFap7QgodJBwAaA Buy a few of these and...

Hi, I have here an elenco s-1325 analog oscilloscope. I am hacking it into a display unit for one of my projects and have designed two raster scans for the x and y-axis (the oscilloscope is running in x-y mode). I now need to be able to modulate the intensity of the electron beam so as to form...

Thanks for all the information Bobby. I appreciate your appology and would like to point out that I am not merely posting the question to have you do the research for me. I actually already built a variable frequency raster generator and have found an appropriate way to change the range of...

If I found what I am looking for on Google, I wouldn't be asking the question on physics forums... I understand that if you throw in a potentiometer you can change the slope of the raster scan, thereby changing the frequency because slope = i/c. This much is obvious to me, but unfortunately...

Thanks, but I was wondering which resistor controls the frequency and why.

Great, I measured the output of using the variac first, and it was fairly stable. Now I need to rectify this into a DC... Thanks for the help

Hi all, I need to create an adjustable power supply (AC) that ranges from 0-6 volts with roughly 1 ampere at 1 volt. I have a variac transformer (0-130 volts), an isolation transformer and a stepdown transformer. My question is, does it matter what order I step the voltage down? In other words...

Hi all, I need to create a circuit for displaying something onto an analog oscilloscope screen. I have determined it will be best to use a raster scan generator (essentially a linear ramp generator). I am wondering what might be the best way to design such a circuit in order to allow for...

hey so if a hose is rated at a max working pressure of 1800, how does that translate to how low of a pressure it can handle without collapsing?

I can use metal hoses too. Do braided hoses have plastic liner?

I just found out it is a possibility to use different fittings in my system, so do any of you suggest a special type of vacuum hose that does not outgas, but is flexible?