New LibreVNA 100kHz - 6GHz USB Based Full 2-port Vector Network Analyzer Nanovna

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New LibreVNA 100kHz - 6GHz USB Based Full 2-port Vector Network Analyzer Nanovna
LibreVNA (TM) is a USB based full 2-port vector network analyzer designed by Jankae. Using 3 ADCs to sample data simultaneously and using FPGAs for signal processing, it is capable of scanning over 10,000 points of full dual-port measurements in less than 1 second. The ultra-low noise power supply design and the use of 16bit ADC, together with the precision CNC's aluminum shielded housing, achieve up to 100dB of effective dynamics. Many aspects are already comparable to lab-grade VNAs, but this is still a work-in-progress project. Some design features may not be perfect, especially the performance will drop when the frequency is higher than 3GHz, please fully understand the possible limitations before buying this machine. If you have any suggestions for future releases, please feel free to contact us as well.
Specifications
Impedance
50Ω
Test Port Connector
SMA, female
Number of Test Port
2
Frequency Range
100kHz to 6GHz
Frequency Accuracy
<2ppm
Number of Measurement Points
2 to 4501
Speed 2-port - 4000 pts
<500ms (IFBW=50 kHz )
Measurement Bandwidths
10Hz to 50kHz
Dynamic range (IFBW 10Hz)
> 95 dB to 3GHz
> 50 dB to 6 GHz (Note 1)
Measurement parameters
S11, S21, S12, S22
Reflection directivity
> 40 dB (after calibration) (Note 2)
Output power
-40 dBm to 0 dBm (Note 3)
Power Supply
DC 5V, 1.5A(USB powered, or 3.5mm connector)
Power consumption
approx. 7W.
Interface
USB type-C
Supported Operating System
Windows, Linux, MacOS.
(Only 64-bit software is available for now)
External Reference Input
SMA female; 10 MHz;
External Reference Output
SMA female; 10 MHz or 100MHz;
Further measurement options
Simple spectrum analyzer
(Lack of mirror suppression and slower speed)
Signal generator
(Not precisely calibrated)
Note 1:
Due to structural limitations, S12 isolation is 10dB worse than S21. Above 3GHz, the performance decreases with increasing frequency, and the port isolation is only 50dB at 6GHz. Below 1MHz, the performance decreases with decreasing frequency, and the effective dynamic decreases to 70dB at 100kHz.
Note 2:
The use of higher accuracy calibrators allows for higher precision measurements.
Note 3:
The output power may decrease when the frequency is lower than 1MHz or higher than 3GHz.
LibreVNA
is a trademark that we have registered or are in the process of registering in several countries. If you are building a VNA based on an open source project, please avoid using this trademark.
Payment
We accept PayPal only.
Shipping
1.Items are shipped from china.we will send out within 1 bussiness day after receive the payment.
2.We only ship to ebay confirmed address. So before bidding,  please kindly verify your ebay address.
3.
Shipping to USA takes 8-18 days in normal condition by E-packet with tracking number.
Shipping to most other countries takes about 12-30 days via Economy Int'l Airmail.
Less than , without free tracking number,if you request tracking number,please send ebay message to us.
Over ,with tracking number free.The shipping time depends on your location and local postal service,as well as the weather condition along the shipping,sometimes may take longer,.please send ebay message to us if you didn't get your package.
4.Express shipping: Extra  -- will be charged for the first 500 grams for most countries. Send ebay message to us if  you need this service.
Terms of sale
1.If you are not satisfied when you receive your item, please return it within 30 days for a replacement or money back.   Please send ebay message to us before you return it.
2.If item is defective in 30 days, We will send you a replacement without extra charger, or offer refund after we receive the defective item.
3.If item is defective after 30 days, you can still send it back to us. We will send you a new one after receiving the defective item. But you have to pay the extra shipping fee.
About us
We are honest seller and do our best to serve you.
So if you have any concerns,please don’t hesitate to send ebay message to us.