Jhun, Sounds like RF is getting into your radio. Try adding 10 feet (or 3 meters) of coax in series with your antenna coax into the 7000, to see if the radio behaves differently. You may need a balun

You can make your own Bias Tee. See this link: http://www.hayseed.net/~jpk5lad/K5LAD%20Memories/Vols%2031-35/Memories--Vol33.htm I would build a Bias Tee in a metal box because of noise pickup, or rad

Try connecting a oscilloscope across the output of the filter, while connected to your operating ic7000. You may find a low frequency oscillation, and not clean DC. I suspect some of the bypass capaci

There is a website that shows several distributors with inventory of this part: PD55015-E LDMOS. ST Micro is the manufacturer. The best website for finding semiconductors is: www dot findchips dot com

Dave,I had the same problem. If you have the radio in one of the Scan modes, the speaker clicks every time the scan updates the graphical display. The scan doesn't quietly work in the background.73,Le

Hi John, The ICOM IC-7000 download page is: http://www.icomamerica.com/en/downloads/Default.aspx?Category=34 This is the latest IC-7000 operating manual. Text searching this pdf file works! Unfortunat

Iain The 7000 manual is on the Icomamerica web site. It is a 9.9 meg file. The nice thing with the PDF file is the ability to do a text search. see: icomamaeica.com/en/amateur/ and don't forget the ww