With LTSpice and a loop antenna model, you can easily compare wideband loop amplifier performance. Here is my evaluation of several popular circuits. Read more
Category: Projects
LTSpice Magnetic Loop Model
You can experiment with wideband magnetic loop design with the LTSpice Magnetic Loop Model. Download here. Read more
Wideband versus Narrowband Mag Loops
Once and for all, let’s understand wideband versus narrowband mag loops. It’s a case of open and closed, circuits that is. Read more
Impedance Matching Test Jig 3D Printed
Another great ham radio use for a 3D printer is making an impedance matching test jig. Cheap and cheerful. Read more
Aluminum Core PEX Loop Antenna Material
You can make an aluminum core PEX loop antenna easily. This material is cheap, lightweight and easy to form a permanent loop shape. But hard to find! Read more
LTSpice Ham Radio Simulation – Great Learning Tool
LTSpice ham radio simulation is a great way to learn more electronics and design useful projects. Why have I waited so long to use it? Read more
Explore Delphi Community Edition
I thought it time to explore Delphi Community Edition, the free development platform released last summer. I did and it rocks. Read more
Shielded Plastic Box for Antenna Switch and More
You can easily build a shielded plastic box with your 3D printer. Just use some aluminum or copper foil tape to create a conductive metal surface. Read more
Vent Adapter Ring – 3D Printed Solution
A 3D printed adapter ring is a good solution for fitting two different sized plastic pipes together. Design it well and you get a snug fit that should last. Read more
Red Pitaya Programmable Hardware Community
Looking for a Christmas present in 2018? Check out the Red Pitaya programmable hardware solution for your electronics lab or software defined radio. It’s amazing. Read more