Products > Test Equipment
Can you Hack the Hantek DSO2D15 to go to 200MHz?
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Aldo22:
This question has already been answered.
Do you even read the answers?
indman:

--- Quote from: radiolistener on July 09, 2024, 07:50:21 pm ---Oscilloscope modification to make more wide bandwidth is a stupid idea. This is because oscilloscope frontend bandwidth is designed to fit with Nyquist border of ADC which is a half of sample rate. So if you extend frontend bandwidth, but keep the same sample rate, you will get more aliases and as result oscilloscope will be unable to show proper waveform for a complex signal which consists high frequency components.

--- End quote ---
For example, I have model DSO5202P and DSO5201P. The first model has an analog bandwidth of 200 MHz, the second model - 100 MHz. The sampling frequency of both models is 1 GHz. I need to measure the amplitude of a simple sine wave with a frequency of 150 MHz. Which model is better for this task? It is clear that the first model will give a more correct measurement and not just observation of the signal shape and its presence. So your conclusion is controversial. ;)
radiolistener:

--- Quote from: indman on July 10, 2024, 04:26:35 pm ---I need to measure the amplitude of a simple sine wave with a frequency of 150 MHz. Which model is better for this task?

--- End quote ---

both, just use different correction coefficient
indman:

--- Quote from: radiolistener on July 10, 2024, 05:34:03 pm ---
--- Quote from: indman on July 10, 2024, 04:26:35 pm ---I need to measure the amplitude of a simple sine wave with a frequency of 150 MHz. Which model is better for this task?

--- End quote ---
both, just use different correction coefficient

--- End quote ---
Didn't understand? The DSO5202P claims signal level -3db at 200 MHz. This is not standardized for the DSO5102P, what coefficients should I use? This is not serious!
Merlin11:

--- Quote from: Aldo22 on July 10, 2024, 04:13:09 pm ---This question has already been answered.
Do you even read the answers?

--- End quote ---

Yes I've read the answers. Iam just not sure you understood the question. No need to keep posting in my thread.
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