2024年7月4日木曜日

1.2-Volt Regenerative Superheterodyne, Part 1: A well-working circuit

›
This is a receiver project that I've been working on sporadically for several years. I'm still working on it, but it's reached a...
2 件のコメント:
2022年3月19日土曜日

Losses in a helically-wound small transmitting loop antenna

›
In 2014, K4HKX published measurements showing that a helically-wound small transmitting loop (using 3-inch wide by 0.012-inch thick copper s...
2022年2月20日日曜日

Fixed image problems with recent posts

›
Due to some changes in the blogger platform, some images in my recent posts may have been broken. I re-uploaded the images, and they should ...
2 件のコメント:
2022年2月19日土曜日

A 1-meter-diameter small transmitting loop for 7 MHz: part 8

›
The effect of thin, crumpled, separate copper strips on antenna gain A small loop antenna with the following parameters was simulated in 4ne...

A 1-meter-diameter small transmitting loop for 7 MHz: part 7

›
RF resistance of thin and crumpled copper tape One feasible approach for constructing a 10-cm-diameter conducting copper tube is to use com...
2022年2月18日金曜日

A 1-meter-diameter small transmitting loop for 7 MHz: part 6

›
Evaluating conductor loss in the total antenna context This post provides more context to the conductor loss values computed in part 4 of th...
2022年2月13日日曜日

A 1-meter-diameter small transmitting loop for 7 MHz: part 5

›
Moving to a multi-turn loop I have been hesitant to implement a multi-turn transmitting loop due to the reported measurements and experience...