Airspy HF+ vs ColibriNANO Comparison on 3.579 MHz
In this video I am comparing two high quality SDR Receivers: Airspy HF+ (16 bit Analog-to-DIgital Converter) and ColibriNANO (14 bit Analog-to-Digital Converter). Comparison was made with the same overall conditions.
For example, both receivers was set with equal size spectrum windows, with the same amount of decibels in their scale, and the same high of the spectrum windows.
ColibriNANO has LNA gain slider which was set to maximum SNR.
Airspy HF+, on the other hand, has no LNA gain control.
The SV2HQL/Beacon was chosen as a test signal on 3579.32 kHz (80m band beacon 400mW RF-out into a 42meters windom antenna, 250 km from receiving place - my home)
Receiving Antenna is half-wave resonant Dipole (40 meters long) for 80m band.
In the second part of the video I was inserted 27 dB external Attenuator on both receivers. ColibriNANO automatically increased the LNA gain and sets itself to maximum SNR. With this amount of attenuation, The Airspy HF+ noise floor level was at about the same place in spectrum window like ColibriNANO, Unlike in the first part of the video, when no external attenuator was used.
It is really incredible how Airspy HF+ can handling extremely strong signals at its input without noticeable distortion and overloading products!
Видео Airspy HF+ vs ColibriNANO Comparison on 3.579 MHz канала Mile Kokotov
For example, both receivers was set with equal size spectrum windows, with the same amount of decibels in their scale, and the same high of the spectrum windows.
ColibriNANO has LNA gain slider which was set to maximum SNR.
Airspy HF+, on the other hand, has no LNA gain control.
The SV2HQL/Beacon was chosen as a test signal on 3579.32 kHz (80m band beacon 400mW RF-out into a 42meters windom antenna, 250 km from receiving place - my home)
Receiving Antenna is half-wave resonant Dipole (40 meters long) for 80m band.
In the second part of the video I was inserted 27 dB external Attenuator on both receivers. ColibriNANO automatically increased the LNA gain and sets itself to maximum SNR. With this amount of attenuation, The Airspy HF+ noise floor level was at about the same place in spectrum window like ColibriNANO, Unlike in the first part of the video, when no external attenuator was used.
It is really incredible how Airspy HF+ can handling extremely strong signals at its input without noticeable distortion and overloading products!
Видео Airspy HF+ vs ColibriNANO Comparison on 3.579 MHz канала Mile Kokotov
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