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18 kwi 2020 · A well-designed Z-match tuner has a high Q and is more efficient (less lossy) than other types of tuners. The fixed inductor simplifies construction (no taps or rollers needed). Using a toroid inductor and some small poly-film variable capacitors, the Z-match can be built into a very compact package.
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1 paź 2021 · Hello, I just would like to bring the ATU-10 to your attention. David N7DDC has released a new version of his ATU-100 as a low-power consumption and 10 W QRP version of his popular autotuner.
The QRP Manual Tuner appears to be the combination a few pieces of work, some that are possible to locate on the Internet. SWR Indicator Circuit - Dan Tayloe N7VE LED SWR indicator
New in FW version 1.6. 1 - New better meassurement formula for Power and SWR calculation, compensation and calibration. 2 - Setting by Cells control implementation. There are 10 cells you can find opening a FW .hex file in Notepad++ program as Intel HEX file.
QRP Multi-Z Antenna Tuner Experiment. Basic multi-z antenna tuner for QRP. Easy to tune low-z and high-z antennas. This is just an experiment while testing it with my 40m EFHW antenna. If you enjoy the video be sure to SUBSCRIBE » Get $5 of New User Free Credit using PCBWay.
The Ultimate transmatch. Usage and benefits of transmatch. A pdf document from a QST article made available for novices and beginners by ARRL. A Portable Antenna Matching Unit. A small HF antenna tuner project for qrp operations. Includes circuit diagrams pictures and test results by GW4ALG. Remote Antenna Tuner. Remote antenna tuner.
21 maj 2021 · QRP 1-30Mhz Antenna Tuner. Kit does not have version numbers (even though it has changed). PCB is marked with V2.0. This Antenna Tuner is otherwise known as : This little QRP (low power) Antenna tuner has been around for a while and it is sold as a Kit from Aliexpress, Amazon, Ebay, Banggood to name a few.
