Of course, 20 dB of gain is not legal in the US, at least for commercial amplifiers, so it makes sense that Ameritron would use an attenuator, as it also saves them the cost of a matching transformer.
Scott K9MA On Dec 21, 2010, at 12:08 PM, [email protected] wrote: > This is exactly right. The MRF150 MOSFETs used in ALS600 are rated at 20dB. I > know people who homebrewed similar amplifier without series resistor and have > full 20dB of gain - no problem whatsoever, stable like a rock. Scott Ellington Madison, Wisconsin USA ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
