| Home | Terms of Use | Site Map | Contact Us |
IndustryCommunity.com > Electrical and Electronic Community > Help Wanted Bulletin Board > Archives
Main Menu
Find

[ Post a Follow-up ][ New Thread ]

Subject: Radar Detectors and GUNN Diodes

Date: 09/09/99
Posted by: Steve McNeese
E-mail: steven(dot)mcneese(at)sw(dot)boeing(dot)com(no spam)
URL: http://

Message:

This is a message I posted on a sci.electroncs newsgroup that did not get much attention. Hopefully someone here may have some information for me. Steven McNeese gDG > > Way back when in my younger years when I would speed and had a radar > detector, I remember the thing would always get set off by grocery > store doors. If I remember correctly, it was the X band at 10.525 Ghz > that was affected more that the K band at 22 Ghz. Today, GUNN diodes > are available in many frequency ranges. I have a situation on the > residential street in front of my house where people speed > constantly. I complain to the local police and eventually they will > patrol or put out a mobile speed detector. This works for about a > week or so and then its back to normal. I would like to build a > device that can emit a radar signal in the X and K bands to hopefully > stop these people (mostly kids) from speeding through the > neighborhood. Is the radiation from a GUNN diode harmless to humans > and pets? Can a simple device be built to meet this objective? > > I could probably buy a motion detector used on the grocery store > doors, but I imagine that they would be very expensive. GUNN diodes > by themselves run around $10-$15. If someone can provide me with a > little help or knows if a device like this exists or where I might > obtain a schematic, I would be grateful. > > Thanks for your help, > > Steve

Post a Follow-up:

This message has been here for a period of time, a follow-up seems unnecessary. In this place we have stopped the functions of [post a follow-up]. To discuss and communicate your ideas/info, you may use our new message boards, please go to: Electrical and Electronic Community

When you do want to contact the author of this message, you must replace the "(at)" with "@" and "(dot)" with "." in his/her e-mail address above. But, please do not spam...

New Thread:

To create a new thread, please go to the current board of discussion forums. On that page, click the [Post a Message] or [New Thread] link, then you will find the submit form.

There are more than 55 boards in our site. Please choose, according to your topics, an appropriate one to post your message. If you are new comers, we suggest you to go to our Homepage to have a clear knowledge of the subjects and the orientations of our site before you post any messages.

1999-2001 Sunlit Technology Co., Ltd. All rights reserved.