High pass filter – It allows only higher frequencies, this done by allocating a cut off frequency which has a value of low frequency that can be allowed. In description it attenuates any low frequency.
Tuesday, November 17, 2015
Radio System Filters
A filter device is that used to allow or stop selected frequencies, or eliminate (filter out) any unwanted signals. In more technical, an RF filter is designed to allow attenuation or transmission of range of frequencies that would be applied. For an example, an RF filter helps to cut out RF interference (generally noise) that could occur if a hairdryer or lamp or else any noisy device is activated. RF filter used in different scenarios as per the requirement. Normally, there are basic four types of RF filters available in market.
High pass filter – It allows only higher frequencies, this done by allocating a cut off frequency which has a value of low frequency that can be allowed. In description it attenuates any low frequency.
High pass filter – It allows only higher frequencies, this done by allocating a cut off frequency which has a value of low frequency that can be allowed. In description it attenuates any low frequency.
Monday, January 19, 2015
Delete All Your Gmail Inbox At Once
This is a common problem to most of us. When we register in different different web sites, they will sent some newsletters, updates, offers every time. Sometimes this is a big issue. And this unwanted emails will full your gmail account. And deleting deleting them as easy as following...
First Log into your gmail account.
First Log into your gmail account.
Wednesday, July 2, 2014
"Chess Free" for chess lovers
If you are a big fan of chess, I think this time I got very
important and a valuable app that make you more love to chess.
Monday, June 16, 2014
HTML redirect to mobile web page automatically
When the user or the client visit your website, if they see your web without any responsively it might be problem. Because the contents are may be not in the right places. So the right and most used way is to redirect them to separated mobile page. So here is the simplest source code to do that (in a javascript).
Thursday, January 2, 2014
PHP Simple Contact Us Form
So first thing first. You needed to design the main page that contain the fields that you want to get from the user. And here my main page is main.html,
<html>
<head>
<title>Cantact Us Form</title>
</head>
<body>
<form name='form' method='post' action="send_mail.php">
<input type="text" name="name" />
<input type="text" name="email"/>
<textarea name="msg" cols="85" rows="5" ></textarea>
<input type="submit" value="Submit" name="submit_email" />
</form>
</body>
</html>
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