<div dir="ltr"><div><a href="http://www.nxp.com/documents/data_sheet/BLF188XR_BLF188XRS.pdf">http://www.nxp.com/documents/data_sheet/BLF188XR_BLF188XRS.pdf</a><br><br>HF-600MHz, 1400 watts, $200 each. There are some boards on ebay that support these i think in various frequency ranges. Could build an elaborate switching and filter network and have a single HF-70cm kilowatt.<br>
</div><br><div dir="ltr" style="font-size:16px;font-family:sans-serif">7.1 Ruggedness in class-AB operation</div><div dir="ltr" style="font-size:13.28px;font-family:sans-serif">The BLF188XR and BLF188XRS are capable of withstanding a load mismatch </div>
<div dir="ltr" style="font-size:13.28px;font-family:sans-serif">corresponding to VSWR > 65 : 1 through all phases under the following conditions: </div><div dir="ltr" style="font-size:13.28px;font-family:sans-serif">V=50V; I</div>
<div dir="ltr" style="font-size:13.28px;font-family:sans-serif">Dq=40mA; P</div><div dir="ltr" style="font-size:10px;font-family:sans-serif">L= 1400 W pulsed; f = 108 MHz<br><br><br></div></div>