Refurbishing aluminium antenna parts affected by weather / corrosion.Can a diode be used to rectify signals smaller than its ‘threshold’ voltage?.Pulse test of a Hantek 6204BD 4 channel 200MHz USB DSO and supplied probe.

Re-engine of Deutscher 650 chipper shredder.

NanoVNA-H4 can be purchased at aprox $93 or 92€ on Amazon or on major online shops. Power: USB 5V 200mA, built-in 1950mAh battery, maximum charging Current 1Aĭisplay Tracking: 4, Marking: 4, Setting Save: 5 NanoVNA-H4 Price USB interface: USB type-C communication mode: CDC (serial) Use strong and secure power supply at the same time.Enhanced performance in all aspects NanoVNA-H4 SpecificationsĪBS case: 75mm x 133mm x 18mm (excluding protrusions) The metal shield is designed to reduce the external interference and improve the measurement accuracy. We can export Touchstone (snp) files for various radio design and simulation software through PC software Using PC software NanoVNASaver, it can connect to a NanoVNA and extracts the data for display on a computer, and for saving to Touchstone files. The TX/RX method can measure the complete S11 and S21 parameters (you need to manually replace the transceiver port wiring) This Antenna Analyzer is a DIY product that provides perfect vector network measurement capabilities, tiny and handheld.The default firmware main function is used for antenna performance measurement. The 50K-300MHz frequency range of the si5351 direct output provides better than 70dB dynamic, The extended 300M-900MHz band provides better than 60dB of dynamics, and the 900M-1.5GHz band is better than 40dB of dynamics.

The Vector Network Analyzer can use the odd harmonic extension of si5351 to support the measurement frequency up to 1.5GHz. 1950 mAh Large BatteryĤ.0 inch screen also brings larger battery, NanoVNA-H4 comes with a 1290mAh rechargeable battery, continuous working time up to 8 hours It is a TFT display and the brightness is controllable in the CONFIG->BRIGHTNESS menu. The contents of the storage box included:Įquiped with a 4.0 inch touch screen, you can operate the device by the screen or the multi-functional switch one the top. NanoVNA-H4 Vector Network Analyzer Kit 10KHz-1.5GHz HF VHF UHF Antenna Analyzer Measuring S Parameters, Voltage Standing Wave Ratio, Phase, Delay, Smith Chart with 4″ LCD Touch Screen (4.2 Version)

Nanovna h4