Amateur Radio antenna pages of Frank N4SPP
POWER SUPPLY DUMMY LOAD
Hi, Friends..Here is a little Project which was on my list for a long time.It is a simple but robust DC dummy load for load testing up to 50 Volts and 20 Amp...
Pacific Antenna.
This article was inspired by this Hack a Day post, which is about building a dummy load using a FET and op. amp. No doubt, this build is good, but according to the schematic it turns out that it is a constant current load. In some cases it can be useful, but one can also…
Figure 1. Assembled Variable Dummy Load To test real capacity of a power supply, we need a load with variable current consumption. If we have high power variable resistor such as tapped wire-wound resistor, we can directly connect this resistor and make some measurement. Unfortunately, this kind of high power resistor is expensive and not so flexible getting wide adjustment …
make your own dummy load with two 100 ohm 5w resistors. Listed under the Technical Reference/Dummy Loads category that is about Homebrew dummy loads.
Arduino Programmable Constant Current Power Resistance Dummy Load: Glad to see you have arrived on this page to learn how to build a programmable constant direct current dummy load. This load will allow you to draw a set current from any source. This load can also be set to a constant resistance or a constant power…
How to homemade your own Dummy Load, getting inspired by these nine projects published by some radioamateurs.
Constant Current Dummy Load
In this video I go through the building of a paint can dummy load that a ham radio operator may require for testing and tuning
Antenna or Dummy Load?
In the last installment of “The $50 Ham” I built a common tool used by amateur radio operators who are doing any kind of tuning or testing of transmitters: a dummy load. That build resu…
Stocking non-Inductive, dummy load or general purpose resistors & potentiometers from brands like Dayton Audio, Jantzen Audio, Mills Resistor at Parts Express.
SMPS Half bridge 2800W. Tested dummy load 6ohm, AC 240V drop to 200V,Thank You for watching my video! please kindly assist me to like share and subscribe our...
HOMEMADE ACCURATE RF-POWER METER (And Dummy Load 50 Ohm)It is simple but very precise RF output power meter which can be used for measure the RF output power...
This is a faithful dummy replica of the GPNVG-18 used by Navy Seal Team Six on the hunt for Osama Bin Ladin. Perfect for perfecting your helmet load-out, movie prop, cosplay, and other decorative purpose with authentic look and feel. The unit is constructed of high strength reinforced polymer.
I’m planning to build a EEVblog-ish constant dummy load for battery and power supply testing. Dave in his build used a LCD voltmeter for the display. In the senseless pursuit of difference, I...
#Dummy #Frisk #Undertale
