S-A-A-2 designed by OwOComm, a portable vector network analyzer up to 3GHz.
We strictly follow OwOComm's documentation and use 0.5ppm TCXO to ensure high-frequency measurement frequency accuracy. The complete metal shell can fully protect the internal precision circuit and the protection of the external interface is fully considered. The customized high-performance SS405 cable provides good stability Phase stabilization performance, high-performance calibration kit to ensure that the calibration SWR is less than 1.03 up to 3GHz.
Product performance:
Frequency range: 50kHz-3GHz
Frequency error: <2ppm
Frequency and temperature: <0.5ppm
System dynamic range (calibration): 70dB (up to 1.5GHz), 60dB (up to 3GHz)
S11 noise floor (calibration): -50dB (up to 1.5GHz), -40dB (up to 3GHz)
Scanning speed: 100 points/sec
Display: SAA2 2.8 inches, 320 x 240; SAA2N 3.95 inches, 320 x 480
RF port: SAA2 SMA; SAA2N N
(If you need to measure anti-pin SMA devices such as Wifi antenna, please use SMA to RPSMA connector)
USB interface: microUSB
Power supply: USB, maximum charging current 1A
Battery: SAA2 2000mAh lithium ion; SAA2N 3000mAh lithium ion
Battery connector: JST-XH 2.54mm
Maximum scanning point (on the device screen): 201
Maximum scanning point (USB): 1024
Port 2 return loss (1.5GHz): 20dB typ
Port 2 return loss (3GHz): 13dB MIN
VNA-QT software compatible system: Linux, Windows (7+), Mac OS planned
2.8 inch SAA2_SMA connector standard matching list:
S-A-A-2 host (built-in 2000mAh battery) x 1
USB data cable x1
30cm SMA male to male SS405 RF cable x2
SMA simple calibration kit OPEN *1
SMA simple calibration kit SHORT *1
SMA simple calibration kit LOAD *1
SMA female to female connector *1
EVA carrying case *1
Lanyard touch paddle *1
4 inch SAA2N_N type connector standard matching list:
SAA-2N host (built-in 3000mAh battery) x 1
USB data cable x1
50cm N male to male RG142-PUR RF cable x2
NSimple calibration kit OPEN *1
N simple calibration kit SHORT *1
N simple calibration kit LOAD *1
N female to female connector *1
EVA carrying case *1
Lanyard touch paddle *1
SAA-2/NanoVNA V2 uses a similar user interface as NanoVNA, but adopts a different technical architecture. SAA-2/NanoVNA V2 does not load initial calibration data at startup, and does not automatically insert calibration data after the user changes the frequency. After the second start and frequency change, the calibration data must be recalibrated or recalled. Please read the instruction manual carefully before use to avoid damage to the equipment.
nanovna-saver: https://github.com/NanoVNA-Saver/nanovna-saver/releases
VNA-QT software download: https://github.com/mdkendall/NanoVNA-QT/releases/
User guide: https://github.com/nanovna/NanoVNA-QT/raw/master/ug1101.pdf
Since we use a higher specification LCD monitor, if the touch screen is inaccurate after upgrading the firmware, please calibrate the touch screen through the menu!
Example of measuring 2.4GHz filter
As SAA2 is an open source design, there are many different manufacturers, and some customers may have questions about the performance of our products. The following is the touchstone file obtained by scanning different attenuators with NanoVNA-Saver. You can judge the approximate effective dynamics and accuracy by the curve. , And the accuracy of the calibration parts we use, the following test results only represent the sample test data of our metal shell SAA2, and are not responsible for similar products sold through other channels.
Compared with Advantest R3767CG, the U-segment overlaps almost perfectly, which can be better used for UHF duplexer adjustment:
The phases can also basically overlap:
Measuring 2.4GHz filter accuracy can also be within the acceptable range
Scanning the 6dB and 10dB attenuators on CH0 respectively, you can see that the return loss of the 10dB attenuators are between -20dB~ -22dB, and the accuracy of the calibration parts and the directionality of SAA2 are very good:
Scanning 10dB, 30dB, 50dB, 60dB, 70dB attenuator between CH0 and CH1 respectively, S21 can get satisfactory results up to 3.3GHz:
NanoVNA-Saver software now supports SAA2
