17Mar/17

Short Course on Services – What You Need To Know

How To DIY Asphalt Resurfacing

Are you in search of another Do It Yourself skill that you can add to your list?

If you were just into small projects that you do inside the house, asphalt resurfacing may seem challenging to you. But fear no more. Asphalt resurfacing is actually an easy thing to do as long as your driveway is in a good condition.

And what’s better than knowing that resurfacing with asphalt only costs little!

Whether you are concerned with the costs or just want to improve how your driveway looks, you must take note of this steps. After All, you will be surprised as to what the results will show you.

First Step: Ready your driveway

The very first thing you will have to do before fixing anything is to clean properly the driveway first. You have to free the are from dust, debris, water, and vegetation. …

14Mar/17

Directional Coupler Specifications

Directional couplers are designed for various applications, and are typically available in flat-pack, plug-in, connected, and surface mount packages. All units are specifically designed and constructed to meet stringent environmental requirements and are made to ensure control of vital parameters, including input/output return loss and insertion loss.

Designed especially for high power applications, RF directional couplers are able to operate with up to 25 watts of RF input. These reactive devices feature very low insertion loss, and the majority of models feature an internal 50-ohm termination. In such cases, power that is coupled from various power incidents to the output port will be absorbed and won’t be available to the user. However, 4-port models feature both the reflected and incident coupled power available.

Directional couplers are fundamentally meant to make two output signals available by operating on an input. Having said that, when input is applied to an internally terminated …