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If you’re looking for a power supply for your analog synthesizer, you may be trying to decide between a linear power supply and a switching power supply. Whether you’re building your own analog synth, putting together a modular, or buying a power supply for a used vintage keyboard, you want to make sure that you don’t have to deal with any power issues. Obviously digital synths can utilize either a linear power supply or a switching power supply with no problems.

What’s the difference? A linear power supply uses large capacitors that are recharged at the frequency of the incoming AC power to store its energy. A switching power supply uses a switching regulator to convert electrical power, and unlike a linear power supply, it constantly switches between full-on and full-off states and minimizes wasted energy by spending very little time in the high dissipation transitions. Every computer uses a switching power supply, and many other high-power electronics also use them.

While many synth buffs would recommend using a linear power supply over a switching power supply for analog synths, especially modular synths, the conventional wisdom on this topic seems to not have kept up with changing technology. Today, many models of switching power supply offer smaller, cooler, and significantly more efficient power than linear power supplies. Even when used with modular synths, a switching power supply can offer efficient and surprisingly quiet operation. Many old-school modular enthusiasts, in particular, argue against the use of linear power supplies for analog synths due to their perceived added noise, but a modern switching power supply is often just as quiet as a linear one. While they aren’t perfect for every application, there are many cases where a switching power supply is perfect for the job.

Tempted to build your own power supply? While many owners of modular synths see it as a more economical solution, a homemade power supply will lack the stability and safety of a good switching power supply. Think of all the modules in your rack. An errant surge or an internal power failure in a homemade power supply could easily destroy all of your synth modules. Don’ take that risk. Use a good switching power supply, and you won’t have to worry about that occurring.

If you’re looking for a power supply for your analog synth, there’s no reason not to choose a switching power supply. Despite the objections of many older synth enthusiasts, today a high-quality switching power supply can provide the same quiet power to your analog synths that a linear power supply can. Ignore the conventional wisdom that a switching power supply should never be used with an analog synth, and you’ll enjoy more efficiency with a switching power supply.

If you’re searching for switching power supply, CyPower provides the most efficient way for engineers and buyers to locate and purchase the specific power supply you need. No other website provides quick, easy access to the search tools and data available to today’s top manufacturers of power supplies. Research, compare, and purchase on one website. Call a CyPower sales rep at 800.477.0021, email sales@cypower.com, or visit http://www.cypower.com/

Benefits of Video Conferencing

by

Jamie Evans

Who would benefit from video conferencing?

Global companies or companies spread across different districts, counties or countries benefit from reduced travel costs and more frequent, easy and quality video meetings. Public sector organisations working across difficult geographical terrain such as the Scottish Highlands in or the unforgiving gravel paths in Devon and Cornwall will also benefit from the use of regular video conferencing rather than short but regular awkward journeys. Videoconferencing can be a very powerful collaboration tool when it is used in conjunction with data sharing applications and hardware. Participants of this type of meeting can see both each other and the PC presentation content. The content may be detailed digital imaging for physical research, educational resources, general presentation materials, or technical drawings amongst many other sources which might traditionally be presented in paper-based hand-out documentation. IP video solutions are useful across all levels of the organisation and across all vertical markets. With the use of quality integrated audio, video and web combined, providing cutting edge conferencing solutions tailored to anything from one-on-one to large conferences with ‘Question and Answer’ sessions and private meeting. There are even solutions specific to industries such as accounting, banking, insurance and legal. IP video conferencing enables numerous meetings between people based in different locations quickly with the use of high-quality audio and visual technologies. It also reduces the need for costly travel and saves a large amount of time which would otherwise be lost while travelling. Any organisation which works with or wants to work with remote clients or suppliers stands to benefit from videoconferencing. Video Conferencing Increases Productivity With the use of cutting edge IP Video conferencing systems, the solutions designed and installed transcend simple “talking heads” on a screen. With the introduction of software media applications, and the use of complex hardware design such as dual, multi screen or even Telepresence solutions, decisions are made faster; bringing products or services to market quicker; enabling you to stay ahead of your competitors. In-house communication is also enhanced, main branches are able to contact international offices with ease, collaboration with experts on various projects is effortless and director level messages can be recorded and streamed to any employee desktop at any time, with no difficulty (even remote or distant workers) – the use of video has now become a business opportunity and strategic advantage. With the arrival of new solutions technology, gone are the days of needing an onsite technician to set up a video conference now we have simple 4 pin entry and automated voice commands, taking no more time or effort than a simple telephone call or walk to the office next door. And in addition to saving time and money, videoconferencing, from one’s office or board room is a lot less stressful than a meeting after a day of taxi fairs and traffic, airport security, delayed flights and bungled hotel reservations. Video Conferencing Saves Money A more tangible benefit of using video to communicate is that you make substantial financial savings due to reduced travel and saved time. At a time of inflated costs for petrol, air travel and hotel accommodations, conducting video conference meetings makes more sense than it has in previous years. Video Conferencing Saves Time There are other significant benefits beyond increased productivity and reduced costs which include; reduction of “downtime” and increased “quality of life” for travelling management teams. Video conferencing should also be viewed as a way to enhance working relationships with remote colleagues and customers between personal visits and telephone calls. Customer relations may also be improved through the use of video conferencing. This is a great way to stay in touch with significant clients or those who are viewed as potential clients, without the need to make a physical visit or take up too much of the client’s time. Since the most effective meetings are those which can be attended in a face-to-face environment, video conferencing provides the ability to meet that goal while avoiding the inconvenience of travel, time and expense.

Jamie Evans is an expert on the subject of

Video Conferencing

at CCOMM, for further information on the subject contact CCOMM at www.ccomm.co.uk

Article Source:

Benefits of Video Conferencing

Submitted by: Joanne Kok

Learning new things can be stressful for your dog especially in the beginning when concepts and teaching methods are new. If your dog refused to eat during the early stages of training, stop the program and have a play session or calm your dog until it is relaxed and begins to accept treats again. This process may require 3 to 4 sessions but it is worth going through it to develop your dog s positive attitude towards obedience.

Conduct 3 training sessions a day, each session lasting approximately 20 minutes while allowing at least 1 hour rest in-between sessions. In a 2-week period, there should be a total of 30 sessions.

Week 1 And Week 2

1) Teach your dog the heel command. Repeat a series of 3 to 5 circles and perform 5 series of 4-step heels per session.

2) Teach the sit and release command. Command your dog to sit , let it stay in the sit position for a moment then give the release command to release your dog from the sit . Repeat this series 5 times per session.

3) For each session, work on a series of 1 exercise and move to another exercise (i.e., work on one series of 4-step heel , then a series of sit and break , and finally a series of 4-step heels ).

Although dogs need repetition to learn a skill, you need a variety of exercises to keep them interested as they bore easily.

Week 3 And Week 4

1) Reinforce the heel command. Test the heel command from lessons learned from week 1 and week 2.

2) Reinforcing the sit and release command. Begin training your dog to hold the sit position starting from 5 seconds and gradually stretching the time to 10 seconds.

3) Begin teaching your dog the down command (use treats to lure your dog to teach it the command). Repeat the series 2 times per session in week 3 and 3 times per session in week 4.

Week 5 And Week 6

1) Continue to reinforce and test the heel , sit and release commands. Begin to include distractions when training heel and sit to train your dog to continue focusing on you even there are distractions.

2) Extend the concept of holding position to build patience by extending the sit from 5 10 seconds to 30 seconds 1 minute before releasing the sit command.

When you test your dog, you should repeat each test until it passes the test 3 consecutive times.

3) Start to reinforce the down command in week 5 by removing the treat and shoulder help. During week 6, begin reinforcing without any bodily assistance. You can reintroduce treats as the reward but do not tempt your dog. Only reward your dog after it has successfully completed the down command.

Training sessions may become more stressful for both you and your dog as you progress from the teaching phase and enter into the more difficult reinforcing phase. If you find a particular test too tough for both of you; stop the exercise and continue to practice the skills individually, you can repeat that particular test a few days later.

While the length and regularity of the sessions remain unchanged since the first week, the sessions are becoming less predictable and require varieties to make them as interesting and effective as they can be.

Week 7 And Week 8

1) While continuing to reinforce and test the heel , sit and release commands, don t forget to reinforce the down command as well. In 1 of every 3 sessions, add distractions to your basic commands. Improve down from a stand exercise with the down command.

2) Extend the time-span of the holding position and begin teaching the stay command.

3) Begin combining the different commands when training. Teach sit and down from your front and testing motion down and motion sit .

4) Start teaching the come command. Put your dog on sit/stay position, while walking backwards monitor the position holding skills. Body language plays an important role in teaching this command and sending the wrong signals sometimes causes your dog not to hold the position.

Week 9, Week 10 And After

1) Reinforce stay and come command. Always practice a short leash recall to reinforce the final finish position. Repeat at least 10 times per session. Come is the most important command but the least practiced of all the other commands.

2) Conduct test and reinforce all obedience commands. Practice all commands equally, working on each command as little as 1 or as many as 5 repetitions per series though you should avoid creating patterns.

Make exercises targeted towards your practical obedience application. Include distraction training in at least 1 out of every 3 obedience practice sessions.

DogTrainster aims to educate dog owners and lovers to adopt positive training approaches in training their dogs. To learn more us, visit us at

DogTrainster.com

– Ultimate Resource and Tips for Dog Training.

About the Author: A dog enthusiast who grew up with dogs and has a passion for dog training. Founder of

DogTrainster.com

, a dog training portal with a panel of experienced training consultants who promote positive approach to dog training.

Source:

isnare.com

Permanent Link:

isnare.com/?aid=245873&ca=Pets

THE IDEAL MOBILE CELL PHONE, NOKIA 9300

by

Muhammad Zubair Malik

The traditional fans of Nokia’s Communicators have been business peoples. Nokia 9300i is the ideal mobile Cell phone for business professionals. It enables Faster and more reliable email access, wide range of business solutions mobile email, device management, security features and business collaboration is available. Ease of viewing, composing, and editing information, full keyboard, and large memory capacity. Because of a variety of functionalities in one device, the Nokia 9300i reduces the need of number of devices. The Nokia 9300i also supports remote device organization.

BUILT-IN FEATURES

SECURITY

Nokia 9300i has built-in security features for WLAN use to keep wireless data transfers secure and is compatible with separately available third-party solutions, like Pointsec and Symantec, for even greater intrusion protection.

FREQUENCIES

EGSM 900, GSM 1800, and GSM 1900

SIZE

It is a phone shaped, through, at 132 mm high, 51mm wide and 21mm deep. At 126 cc the hardware will make more of a bulge in your pocket than any other phone we can think of with only 172g of weight.

MEMORY FUNCTIONS

There’s 80 MB built-in memory for saving contacts, messages, files, images, sounds, and applications and MultiMediaCard (MMC) slot with hot swap functionality for additional memory.

Display

Communicator Display

Resolution 640 x 200 pixels, Active transflective color display, Supports up to 65,536 colors, Adjustable display brightness control.

Cover Display

Resolution 128 x 128 pixels, Supports up to 65,536 colors, Active TFT color display.

SMS and MMS

Multimedia messaging (MMS) with compatible devices, send and receive messages with text, a sound clip, and an image or a video clip to other compatible devices

SMS distribution list, Message register, Predictive text input (T9) in cover, Picture messaging, receive graphics with text from other compatible phones. Possibility to attach portrait images to contacts, Video player: RealVideo, MPEG4, and H.263 formats supported.

Email

Access your own and private IMAP4, POP3, SMTP email accounts, Using Popular email clients Like Intellisync Wireless Email, BlackBerry Connect, Seven Always-On Mail, Visto email technology1.

Fax

Send and receive fax through your GSM number.

Connectivity

Nokia 9300i includes Bluetooth, Pop-Port interface, USB 2.0 connectivity (with Nokia Connectivity Cable CA- 53), Connect wirelessly to a compatible phone or a compatible PC Infrared.

Java Applications

Downloadable games and applications via Java technology (MIDP 2.0), Personal profile Java 1.0

Ringing Tones

40 polyphonic ringing and alert tones, Voice clips can be used as ringing tones.

Software Applications

Word processor (Documents), spreadsheet viewer and editor (Sheet), presentation viewer and editor (Presentations), Compatible with the most common features of Microsoft Word, PowerPoint, and Excel (MS Office 97, 2000, XP and 2003), Other applications: calculator, file manager, voice recorder, and music player.

Power Management

Nokia Battery BP-6M with 1100 mAh Capacity, Talk time Up to 3h 30min with 8 hours Standby time, WLAN off up to 170 – 230 hrs, WLAN on up to 55 hrs.

About the AuthorThe Author of this article Muhammad Zubair is an expert on mobile cell phone technology. More articles and Mobile Cell Phone Information http://www.mobifun.biz/

Submitted by:

Free Submitter

Article Source:

eArticlesOnline.com}