Rf dummy load diy
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I looked in the trunk of the junk memories and found an old instrument of 50 ΞΌA DC full scale that was never used
For this project, we have used PCB boards which are manufactured by AllPCB, a china based professional PCB manufacturing and assembling service provider The first step is the form of a round PCB with the above picture Sep 08, 2014 Β· A carbon resistor does not present Inductance, which is one thing you do not want in a dummy load . The load looks like this Apr 27, 2012 Β· If your guitar anywhere near the amp or the dummy load you WILL have some interaction MFJ 264 dummy loads handle 100 watts for 10 minutes and 1,500 watts for 10 seconds .
. here is a simple way to make a 50 ohm dummy load, you will need 20 '1k' carbon film resistors, these are arranged in parallel, this will give you 50 ohms depending on the tolerance of your resistors, mine are rated for 2 watts, this will give you a power rating of 40 watts, the dummy load will handle 100 watts for about 5 seconds maximum, leave the dummy load to cool for 30 seconds or more Apr 29 #65580 the resistance element can NOT be made of resistance wire wound into a coil)