Here are ways to make an RF filter using transmission line sections.
Here are some ideas for using on-hand parts in some fashion other than what they were originally intended for.
Doug Irwin offers more ideas on distributing FM, AM and TV signals around a facility.
Need to pick up multiple FM signal from different directions? Here are some methods that will capture weak signals.
Doug Irwin finds some things to keep your tools organized and easy to find.
More on Layer 2 Ethernet switches. This time we'll look into the setup menu.
Having a spare switch on hand is a great idea. But is it configured and ready to go when it's needed?
This outlines how to construct a simple self-contained remote control relay interface that will allow you to remotely power cycle your recalcitrant equipment with an external relay closure of less than 20Vac at 35mA.
Need additional status inputs on a remote control? Here's a way to use a sampling input to display status.
Connectors, parts and more all need to be stored for easy use. Here are some ideas to organize your supplies.
What do you do when a signaling voltage is needed? Take advantage of what's already available.
Legacy equipment has serial control. New computers don't. Here's what you can do.
The number of devices that use serial communications rather than IP and Ethernet is shrinking rapidly, but there are still plenty of serial devices around.
Now that the IPAWS OPEN server is on-line, it makes sense to get your CAP-enabled EAS equipment going.
Why carry an ac-to-USB converter with you? Install one at the outlet.
Have some ferrites but don't know their value? Here are some resources.
Some tips on keeping the transmitter site clean.
We look at using ferrites to solve RFI problems, such as those caused by an AM or FM transmitter close to a neighborhood or even businesses.
Ferrites are helpful components in the fight against RF interference.
Need to improve your soldering skills? This site can help.
Once you install a new Sage Digital Endec, be sure the audio levels are set properly. One reader discovered they were not.
Need adapters, filters and other tool supplies? Doug Irwin has a list of sources.
Recycle an old vending machine to keep the jocks happy.
No need for an editing program if you can get the command line in Windows.
A common restaurant trick might save your device.