Oct 24, 2005 #1 J jabidof Member level 5 Joined Jul 25, 2003 Messages 80 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 675 qx5hayward Hi everyone, I need to develop a "low-cost" (<50$) "low-power" (-50dBm to 0dBm) detector working between 10MHz to 20MHz. Any idea on this subject? Regards
qx5hayward Hi everyone, I need to develop a "low-cost" (<50$) "low-power" (-50dBm to 0dBm) detector working between 10MHz to 20MHz. Any idea on this subject? Regards
Oct 27, 2005 #2 S Soben Member level 3 Joined Oct 19, 2005 Messages 56 Helped 20 Reputation 40 Reaction score 3 Trophy points 1,288 Activity points 1,880 low power rf diode detector A Diode power detector where u use the Square law characteristics of the diode will do for you, Problem is it measures up to -20 or -15 dBm , but if u use some 20dbm attenuators infront of your Detector u can extend it to 0 dbm that u require.
low power rf diode detector A Diode power detector where u use the Square law characteristics of the diode will do for you, Problem is it measures up to -20 or -15 dBm , but if u use some 20dbm attenuators infront of your Detector u can extend it to 0 dbm that u require.
Oct 27, 2005 #3 R rfmw Advanced Member level 2 Joined May 10, 2001 Messages 543 Helped 93 Reputation 190 Reaction score 51 Trophy points 1,308 Activity points 3,979 I'd use one of the Maxim's Tru-power detector devices. Simple and accurate, and already covers your dynamic range...
I'd use one of the Maxim's Tru-power detector devices. Simple and accurate, and already covers your dynamic range...
Nov 10, 2005 #4 J jabidof Member level 5 Joined Jul 25, 2003 Messages 80 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 675 I have trouble finding the datasheet of the tru-power detector from maxim. Could you help? Thks
Nov 10, 2005 #5 Borber Advanced Member level 5 Joined Dec 31, 1999 Messages 1,600 Helped 235 Reputation 472 Reaction score 111 Trophy points 1,343 Location on third flor Activity points 11,863 You can use Analog Devices AD8307. There is a lot of projects with this chip on the web.
Nov 11, 2005 #6 J jabidof Member level 5 Joined Jul 25, 2003 Messages 80 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 675 Thanks for the info. Maybe you already know some "good" links?
Nov 12, 2005 #7 V vfone Advanced Member level 6 Joined Oct 10, 2001 Messages 5,709 Helped 1,616 Reputation 3,237 Reaction score 1,248 Trophy points 1,393 Activity points 36,250 **broken link removed** http://www.arrl.org/qex/2005/QX5Hayward.pdf