Oct 31, 2007 #1 B bouchy Advanced Member level 4 Joined Jul 11, 2004 Messages 113 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,296 Location USA Activity points 794 Hi All, do i need to have dc blocking cap at the output of the PA if it is directly connected to antenna. thanks
Hi All, do i need to have dc blocking cap at the output of the PA if it is directly connected to antenna. thanks
Oct 31, 2007 #2 flatulent Advanced Member level 6 Joined Jul 19, 2002 Messages 4,624 Helped 489 Reputation 980 Reaction score 151 Trophy points 1,343 Location Middle Earth Activity points 46,689 Re: Power Amplifier it is generally good engineering practice to guard against all forms of failures. You should use the DC block to prevent antenna shorting to ground to possibly damage the power supply.
Re: Power Amplifier it is generally good engineering practice to guard against all forms of failures. You should use the DC block to prevent antenna shorting to ground to possibly damage the power supply.
Oct 31, 2007 #3 B barrybear Full Member level 4 Joined Nov 22, 2001 Messages 239 Helped 14 Reputation 28 Reaction score 4 Trophy points 1,298 Activity points 2,035 Re: Power Amplifier You must use a dc blocking capacitor ( or tuned transformer)to prevent any shorting of the aerial or possible direct connection to another supply.
Re: Power Amplifier You must use a dc blocking capacitor ( or tuned transformer)to prevent any shorting of the aerial or possible direct connection to another supply.