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Pros & Cons
pros
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pros
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Display Clarity
Customers are highly satisfied with the display clarity of the Koolertron DDS Signal Generator Counter, praising its excellent contrast and ease of use. Some users found it initially tricky to adjust but overall appreciate its intuitive interface and numerous functions.
Build Quality
Customers have a generally positive opinion about the build quality of the Koolertron DDS Signal Generator Counter, with some mentioning the device's solid design and quality chips. However, others note concerns over its light weight and cheap plastic casing and buttons. Overall, customers are pleased with the product's performance and value for the price, but some express disappointment with the included power supply.
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Waveform Accuracy
Customers have generally positive feedback on the waveform accuracy of the Koolertron DDS Signal Generator Counter. They mention that the frequency is accurate and the waveforms are clean and precise, as evidenced by their measurements with oscilloscopes. However, some users suggest that there could be room for improvement in terms of documentation for using the extension connector at the rear of the unit.

Highlights
Quality
Great display, controls and ease of use.
Lots of functions available, good rise times and fall times.
The digital noise from the generator circuits almost blanks out am service in near devices (5-10 feet away).
The dds signal generator worked for a period of time then quit working.
Price
For the price point i can’t complain and i’m very surprised at how well it’s able to keep up.
All things considered, for the price, it seems like a perfectly fine little tool.
I see no sense in going into a detailed technical report given that i only paid $100 for this device.
I'm used to the old hp8116a sinewave generator but that used to be over $2000 which is way out of my price range.
Shipping
The unit came so very close to meeting my needs.
The accompanying software is delivered as a single compressed .
After a period of time i did get a response from “after sales service of dds signal generator” regarding my unfavorable review.
I had a minor problem with it immediately when i received it but the customer service is pretty good.
Competitiveness
I am a technician, a tinkerer, and a ham radio operator.
I have compared the reported output of the signal generator to the measurement function on my rigol scope and the settings on t... Read More
I sent an email to koolertron with the same results.
I bought a similar unit last year for about half the price, and it is in fact identical, but not as accurate: it is nearly 200 ... Read More
Overview
- How are reviewers describing this item?
signal, good, little, arbitrary and accurate. - Our engine has profiled the reviewer patterns and has determined that there may be deception involved.
- Our engine has determined that the review content quality is low.
- Our engine has analyzed and discovered that 60.0% of the reviews are reliable.
- This product had a total of 943 reviews as of our last analysis date on Mar 15 2025.
Helpful InsightsBETA
Posted by a reviewer on Amazon
I decided to upgrade my home shop and i realized i could not come close to duplicating the functionality single channel function generator and certainly not the two independent channels of this unit
Posted by a reviewer on Amazon
This unit meets my expectations but certainly doesnt exceed my expectations in any way
Posted by a reviewer on Amazon
Really my biggest negative is the cheap plastic casing and buttons
Posted by a reviewer on Amazon
If your not going to use this heavily or rely entirely on it its fine
Posted by a reviewer on Amazon
But the plastic really is horrible
Posted by a reviewer on Amazon
I found this unit for cheap and figured i would give it a shot and worst case i could return it if needed
Posted by a reviewer on Amazon
I hooked it up to my oscilloscope and tested different frequencies and all have been spot on to what the screen displayed
Posted by a reviewer on Amazon
However be aware of the fine print
Review Count History
Price History
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