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Experienced ThinkPad refurbisher, tech enthusiast and gear head.
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Reviews (6)
Mar 17, 2014
Solid build quality, lots of options.
1 of 1 found this helpful Solid ThinkPad build quality you've come to expect over the last 20 years.
This machine has lots of options, a quick processor and a very bright display.
I really haven't found any problems with this model, they are durable enough to survive computer abusers which is why I give them to my family. No problems so far and I'll probably buy a few more before the end of it.
May 24, 2021
Good part!
Works great in my old Blazer. I didn't have any cabin lights before replacing this. They all work great now. Potentiometer is tight and buttons are crisp. It's good!
Jan 18, 2016
Dated but Useful
2 of 2 found this helpful This machine is dated, circa 1995, and has a few design quirks. That said I absolutely love it.
I needed a decent oscilloscope for learning electronics design. My first oscilloscope was a Digital Storage Oscilloscope, so I decided to stick with what I knew.
For the uninitiated, there are two types of oscilloscopes, an analog scope and a DSO. An analog scope just sweeps the beam across the CRT and shows you immediately what is happening. A DSO looks for a wave, stores it in memory then draws it on the screen. The reason for a DSO is because it can show you things you'd miss on an analog scope. If you're looking at a 1MHz wave on an analog scope, you are going to miss any sort of glitch or issue with the wave that isn't periodic. A DSO can capture glitches.
The hardcopy feature is a little buggy, to get it to write to a floppy properly, you need to make the oscilloscope read the FAT on the floppy first. If you don't, the scope won't know where to start numbering file names and will give an error. Here is what you need to do FIRST:
1. Insert Floppy
2. Press Save/Recall
3. Press 'File Utilities' with the soft key.
4. Scroll to FD0 with the general purpose scroll knob.
5. Press 'Select'
Now when you press the 'Hardcopy' button, the current screen will be saved to floppy as a BMP with no errors.
That took me a while to figure out and I didn't find it posted anywhere.
Other than that this is a wonderful machine, it is light as a feather but feels very solid. Nothing on it feels cheap or dinky. The performance is great. I calculated I need about 400-600MHz bandwidth, this was in my price range. I can zoom in nicely on the rise time for even modern microcontrollers like the MSP430 and get a good picture.
Minimum Timebase: 2.5ns/div
Minimum Voltage: 2mv/div
Max Timebase: 5s/div
Max Voltage: 10v/div
YES it does FFT
Can trigger on rising or falling edge.
Can just 'run' in auto mode or capture & stop in normal mode.
Run/Stop to pause.
Horizontal and vertical cursors to measure.
Has XY mode
Can set persistence in both vector and dot mode from 500ms to infinite.
Brightness & Contrast control -- this screen can get very bright and is a pleasure to view.
Most of all -- I was scared when I saw it had a fan -- it is very quiet and makes a pleasant noise.