Simple AM radio using MK484 IC
This is a simple AM radio receiver that use an integrated circuit chip called the MK484 as the main component. This simple radio will run on one AA battery using an earphone. I show…
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Homemade AM Radio in a wooden box.
This is my homemade AM radio installed in a wooden box. It is a simple “retro” radio design.
Slayer Exciter –Indoor solar powered radio transmitter.ASF
This is the Slayer Exciter being run on indoor solar light only—no batteries. A small solar panel is capturing indirect solar energy through a window. The oscillator is shown not only illuminating LEDs but…
Cool Joule Radio Transmitter–hooked up to a laptop computer
This is a super simple wireless device that can broadcast the headphone output signal from a laptop computer to a nearby AM radio. I call it the ‘Cool Joule Radio Transmitter’. The circuit is…
Amplified Crystal Radio with and without ground wire
This is further study into the AM crystal radio using a homemade amplfier to boost the output signal and drive a speaker. The device is shown first running without an earth ground and then…
BiTT vs CONVENTIONAL EI TRANSFORMER Test Demo
LOAD REACTIONS IN A Bi-TOROID TRANSFORMER vs A CONVENTIONAL EI TRANSFORMER Incoming search terms:Ñлектронный транÑформатор Ñхема
POWER FACTOR VARIATIONS BiTT vs Conventional EI Transformer.mov
This is a Power Factor variation video where a: CONVENTIONAL TRANSFORMER is compared to a BiTT with a resisrtive load (PF =1). The conventional transformer PF mirrors the load. The BiTT PF is indepenent…
Extreme High Voltage: ZVS Royer Oscillator Driving Flyback Transformer, Jacob’s Ladder
The Flyback transformer is driven by a dedicated Royer oscillator Zero Voltage Switching configuration. I used 2 x IRFP260n mosfets, but I also tried IRFP460 which work but get warmer in operation. A few…
induction transformer (INTR) – "forger"
induction transformer (INTR); bifilar output coil connected to the resonant contour with “forge”-coil; step-down transformer with hi-amperage low-voltage output good to melt a metal – induction forge
Homemade AM radio.wmv
I am using a LM386N audio amplifier to build a simple homemade AM radio. I use an air gap capacitor and a homemade coil for the tuning circuit. The tuning circuit basically filters out…