EEVblog Electronics Community Forum

Products => Test Equipment => Topic started by: cliffyk on August 20, 2019, 03:11:52 am

Title: Aarontek ADS2050
Post by: cliffyk on August 20, 2019, 03:11:52 am
I bought this inexpensive, tiny DSO ($53.00 from Amazon) (https://www.amazon.com/gp/product/B07V6795WP/ref=ppx_yo_dt_b_asin_title_o02_s00?ie=UTF8&psc=1) expecting it to be just a cute little toy--however after playing with it for a bit I find it to be a real surprise:

(http://www.paladinmicro.com/TestEquipment/ed342bce-c32a-4a9f-bb66-a0dfca2a9b83.png)

The specs are not spectacular, but it does what it does surprisingly well:

(http://www.paladinmicro.com/TestEquipment/c7a547.jpg)

I found its analog bandwidth to be down just 1dB @ the rated 5 MHz (this is a practical limit as the sample rate is just 20 Msps):

(the vertical lines in the display are an artifact of my handheld flash photo process and are not visible to the eye)
(http://www.paladinmicro.com/TestEquipment/HPIM2600.JPG)

It is quite well made with a nicely soldered fiberglass PCB, it has a USB chargeable 1500 mAh (in the unit I received) Li-Po battery. One disappointment is that though it can save waveforms to its 16 MB internal memory, there is no digital interface to retrieve same to a PC or other device. However within its capabilities it is quite competent and will be great for automotive troubleshooting... 

(http://www.paladinmicro.com/TestEquipment/123213.jpg)

(http://www.paladinmicro.com/TestEquipment/aa9b32.jpg)

The UI is menu driven utilizing differing icons at the lower left of the display to indicate the current arrow key functions (selected via the MODE|OK button), however it is easily mastered. Some of the terminology is a bit odd, E.g. "cage" ON/OFF for the display grid (8 x 4 divisions, can't have everything for $50), and "multi buffer" and "afterglow" for persistence--but the vertical sensitivity and timebase settings are in the good ol' 2-5-10 sequence we all grew up with..