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Review: Tektronix MSO2024 Mixed Signal Oscillope

The Tektronix MS2024 is a compact mixed-signal oscilloscope that is suitable for a wide range of applications or educational use. It has four analog and 16 digital inputs, a sampling rate of 1Gs/s and an operating bandwidth up to 200MHz. It is very easy to use and does not take up a lot of valuable bench space.

By Mauro Grassi

Specifications At A Glance

Analog channels: 4
Digital channels: 16
Analog Bandwidth: DC to 200MHz
Sampling Rate: 1GS/s
Memory Depth: 1Mpts
Vertical Sensitivity: 2mV/div – 5V/div (x1 probe)
Vertical Resolution: 8 bits
LCD display: 7-inch widescreen QVGA LCD (480 x 234 pixels)
Net Weight: 4.08kg

The 4-channel MSO2024 is the top of the Tek2000 range. Its ability to accept up to 16 digital inputs for debugging of logic applications makes it particularly attractive, especially since it is such a compact unit. The operating bandwidth of this model is 200MHz and this will be more than adequate for most applications, including audio, video and general assorted use.

The high sampling rate 1GS/s (Gigasamples per second), allows a timebase speed of up to 2ns/div. And although some oscilloscopes share the sampling rate among the available channels, the MSO2024 achieves 1GS/s on all four channels at all times.

When you first pick up this scope, it gives two impressions. First, it is quite wide but not very deep at 140mm and therefore it won’t take up a lot of bench space which tends to be at a premium in most labs and workshops. The second impression is the wide aspect ratio screen. The display is a 7-inch WQVGA (Wide Quarter VGA). A wide QVGA screen must have the same vertical resolution as a QVGA screen but its aspect ratio will be different to the standard 4:3.

In this case, the display has a resolution of 480 x 234 pixels giving an aspect ratio close to 2:1. This allows you to get a good display showing several cycles of typical signals, something that’s not possible on a screen of lesser width. The LCD also has a simulated phosphor response, meaning the intensity of the pixels varies according to the time they are on.

Apart from that, you can vary the persistence of the dots for periods ranging from 400ms up to around 10 seconds and then to infinite persistence. This would be useful to see fine or quickly changing details of the waveform.

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