Hello LF'ers, I am experimenting with two cheaply made Class D push pull 136kHz amps using very cheap to buy (well under £2 each) FET's combined using a home brew Wilkinson combiner as per this web p
Hello Markus, Thanks for the detailed reply, let me see if i have this straight though please, sorry if I appear a bit dense, it's probably because I am.... :) Right now I run one voltage mode Class
Hi Chris, To me, it doesn't sound like a good idea to combine two switching square wave signals together...Might be okay if they were synchronized...Better to filter them into sine waves first and th
This was the original issue What I am seeing is each amp giving a nice (well, they seem nice tome...) drain and gate waveforms individually, but when combined bothwaveforms deteriorate and the cold r
Hi Chris, MMmm well is is and it isnt :-)) the classic Wikinson I know has two quarter wave sections of (I think) 1.5*Zo transmission line with a 2*Zo resistor across. Of course a quarter wave of coa
Significant levels tonight Chris , don't know why we bothered with deep search :) 73-G 21:05 136 2E0ILY de RA1ADF Op32 -26 dB F:0% in St.Petersburg 1494,9 Hz 1600 miles 21:05 136 2E0ILY de 9A3KB Op32
Hello Clemens, Alan, Graham and all who replied re my combiner questions, Some great and patiently presented info here, thanks a bunch for explaining it so well and in such detail. I now have a much
Hello Clemens, Markus, Alan, Graham and all who replied re my combiner questions, Some great and patiently presented info here, thanks a bunch for explaining it so well and in such detail. I now have
Chris , Push the boat out ... Make qty x 1 [3 way] , or qty x 3 [2-way] 73-G,) Hello Clemens, Markus, Alan, Graham and all who replied re my combiner questions, Some great and patiently presented inf
