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Hello. This splitting and combining with the wilkinson does work well. I have modified some old TV PAs from 50MHz to the FM band. Each PCB gives 200 watts out into 50 Ohms so I now get an easy 400-500 watts out.
I have spent many hours on this project and you need to be precise in your...
Hello poineer 007. I have been building MRF151/141G amps for many years for FM broadcast, but only this year have I taken on the wilkinson. I have a PCB stripline combiner designed for 157 MHz from a Pager tx, so i went about using this at 144 MHz. ( ham band). I had to cut each side of the...
pa wifi 2.4ghz
Hello all. We finally hardened up and went out in the dark and cold to test this link. With the RF gear mounted within 500mm from the antennas we have tested a 25Klm path. To our suprise there is pleanty of signal. As the audio stereo is digital and not analog there is no noise...
Re: PLL Problem [pls hlp me]
Hi Fred. Is there a web page that displays the circuit dia. you could point us to. If we can see the complete dia it would help. Mark.
yagi feed impedance
Hi. This is very easy do put right. Foldered dipole is very broad and will be about 300 ohms. At 435 MHz cut a length of 50 OHM coax to 277mm with each end braid cut back say 50mm. so total cut length will be 377mm. Take the feed cable and prepare the ends the same. Now...
Re: PLL Problem [pls hlp me]
Looks to me as if the PLL is not locked. Ensure the RF chain is not producing spuries.
I have experence with the very old MC154152 and have had simular problems in the past. yell out if you cant solve it . Mark.
Added after 5 minutes:
As a start, go around with...
2.4ghz booster smd
Hi. What do you want this device for ?. I recently found a very good quality 2.4 GHz stereo audio sender but the output was very low.
I needed an amp to supply me with about 500mw or so.
I found on ebay a 1/2 watt wifi booster. This worked well for about 2 mins and then it...
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