Bandwidth 7MHz only.

Bandwidth 7MHz only.

SainSmart DSO203 Nano Channels 4 Bandwidth 72MHz ARM Portable Digital Oscilloscope (Electronics)
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Customer Review

The product description is misleading. Bandwidth is NOT 72 MHz. This is the sample rate is 72 MSPS (samples / sec 72 million). The bandwidth is around 1/10 of this value, or 7 MHz. In other words, one can reach 7MHz with a sinusoidal signal, but we do not exceed 2MHz for a square wave as shown by certain videos on Youtube.
Despite its limitations, this is still much better that Nano 201 which is satisfied with a bandwidth of about 250KHz (only for a 50KHz square wave).

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