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  • What's the Cicuit of Intercom

    Description: A very high quality intercom, which may also be used for room monitoring. Circuit diagram Notes: This circuit consists of two identical intercom units. Each unit contains a

    Posted on:01-07 View:175
  • What is Biss Key & What can you do with Biss Key?

    This post is about the most popular encryption system used on satellite channels. What is BISS key? How can it be used? How does it get leak? All answers are answered below. So without wasting any time lets hop into it. What is BISS key? BISS(Ba

    Posted on:12-29 View:629
  • What's BISS, BISS-Key, BISS-1 and BISS-E?

    Basic Interoperable Scrambling System, usually known as BISS, is a scrambling method used in digital television systems. It's a satellite signal scrambling system developed by the European Broadcasting Union and a consortium of hardware manufacturers.

    Posted on:12-29 View:472
  • [Video] How to Use FU-30/50B 30w/50w FM Transmitter CZH-T501 CZE-T501 ...

    FU-30/50B 30w/50w FM transmitter is easier in operation, one button control for all functions. It has VSWR protection, temperature protection, RDS port, electronic volume adjusting,equipped with low pass filters. It’s applicable in many places, such as stadium, county radio station, c

    Posted on:12-28 View:296
  • FAQ Frequently Asked Questions about TV Antennas

    Q: What is OTA television and how does it work? A: Over-the-air television is a term used to describe television signals that are broadcast by your local television broadcast towers (as opposed to a cable or satellite signal). Since 2007, these signals are broadcast usi

    Posted on:12-27 View:318
  • 10 Things You Need to Know about Digital TV Antennas

    Digital TV antennas have come a long ways. Here is our list of the 10 things you need to know about modern day digital TV antennas. 1. Broadcast signals are superior to cable and satellite. There are no paid subscription fees to receive over-

    Posted on:12-27 View:192
  • What is Modulation?

    This page explains what is the function of modulation and covers its types. We will discuss here analog and digital modulation types. Modulation is a term widely used in telecommunication or wireless networks. Modulation basically is used to convert information (digital bit stre

    Posted on:12-20 View:112
  • How to make your own 4W FM Transmitter?

    TECHNICAL CHARACTERISTICS: Stabilised tendency of catering: Vcc=12~16V Frequency of emission: 88~108MHz Consumption: 100~400mA Circuit diagram: Materially: The re

    Posted on:12-20 View:295
  • How to make a 15W FM transmitter for your own radio station?

    It was five years ago when I did an attempt to build my first fm-transmitter. It ended in a giant faillure. The only thing it did was interferring with our tv-set. Looking back it was due to the lack of information I had. A schematic was my only help. Now, five years later, I know a l

    Posted on:12-20 View:373
  • What is the Circuit Design of 2N3055 Power Amplifier?

    Simple and low cost. The optimal supply voltage is around 50V, but this amp work from 30 to 60V. The maximal input voltage is around 0.8 - 1V. As you can see, in this design the components have a big tolerance, so you can build it almost of the components, which you find at home. The

    Posted on:12-19 View:86
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