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What is Digital Television

Digital Television (DTV) is an advanced broadcasting technology that has transformed the television viewing experience. DTV enables broadcasters to offer television with better picture and sound quality, and multiple channels of programming. Since June 13, 2009, full-power television stations n

Posted on:09-19 View:179
How to Connect Speakers to a Receiver Without Wires

By James Clark Freestanding speakers can be connected to a receiver without wires by means of a wireless speaker kit. The technology uses a radio transmitter and receiver to send the audio signal from the receiver to the speaker, which can be placed almost anywhere within range of

Posted on:09-18 View:505
USB Switch For Printers

Description This circuit switches a printer’s USB connection from a PC to a laptop. What was needed was a method of allowing a laptop to use the printer occasionally while at all other times the printer would be connected to the PC. Instead of unplugging the printer from the PC and then in

Posted on:09-18 View:662
Operational Amplifier (Op-Amp) Basics

Circuit diagram The op-amp is basically a differential amplifier having a large voltage gain, very high input impedance and low output impedance. The op-amp has a "inverting" or (-) input and "noninverting" or (+) input and a single outpu

Posted on:09-17 View:1674
How Do I Connect an Old Stereo System to New HDTV

By James Clark Old stereos produce audio with analog technology, unlike the digital format employed by High Definition Television (HDTV). Even though a new HDTV uses different types of ports for the digital connections, many HDTV sets are also backwards-compatible with analog audio de

Posted on:09-17 View:613
Simple Universal PIC Programmer

Circuit diagram: Description This simple programmer will accept any device that's supported by software (eg, IC-Prog 1.05 by Bonny Gijzen at www.ic-prog.com). The circuit is based in part on the ISP header described in the SI

Posted on:09-16 View:310
How to Install a Digital Antenna

By Stephen Lilley If you don't have a cable or satellite television service installed in your home, you're going to need a digital antenna in order to pick up over-the-air programming. These antennas can be purchased at any major electronics retailer, like Best Buy or Sta

Posted on:09-16 View:250
How to Connect VGA to an HDMI TV

By Brad Chacos Cabling technology doesn't evolve at the same lightning pace as computer hardware, but it does change over time. Older computers and CRT televisions transferred video through VGA cables. Those cables are no longer used in newer electronics

Posted on:09-15 View:476
Mobile Phone Battery Charger Circuit

Description Mobile phone chargers available in the market are quite expensive. The circuit presented here comes as a low-cost alternative to charge mobile telephones/battery packs with a rating of 7.2 volts, such as Nokia 6110/6150. Circuit diagram:

Posted on:09-15 View:1440
Op-Amp Booster Designs - PDF

Description Although modern integrated circuit operational amplifiers ease linear circuit design, IC processing limits amplifier output power. Many applications, however, require substantially greater output voltage swing or current (or both) than IC amplifiers can deliver. In these situat

Posted on:09-14 View:443

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