electronics-amplifier tutorial

This is the circuit diagram of a simple 24W mono amplifier using IC TDA1516.The TDA1516 is an integrated class B power amplifier in a 13 pin SIL package. The IC has many useful features such as short circuit protection, load dump protection, thermal protection, reverse polarity protection etc. Here the IC is wired in BTL mode to deliver 24W of power into a 4 ohm speaker. This amplifier can be operated from a 12V DC supply and this makes it suitable for car audio applications.

Rangkaian Amplifier BTL 24 watt

The circuit can be powered from anything between 8 to24V.
Use 20W, 4 Ohm speakers for K1 and K2.
All electrolytic capacitors must be rated at least 25V.

Nokia released a phone designed for the middle class market, the Nokia 3600 Slide. Sophisticated design with glossy effects, color gradations, list soft metallic and ceramic paint. Enjoy luxurious thanks to the rounded edge design. Seeing these displays, this series clearly well suited for users of women and men.

Dimension 97.8 x 47.2 x 14.5 mm and weighing 97.3 grams, enough to fit in the hand. Screen type TFT 16 million colors that can be said the most sophisticated in its class.
Nokia 3600 Slide ability also inadequate, including Backgound Noise Cancelation technologies that can minimize interference sound when we make or receive the call.Can say, this phone is the first time using this technology.

Armed with a 3.2 megapixel camera is also capable of capturing short video and FM radio, the Nokia 3600 will entertain the users. Moreover, there are 2.5 mm audio jack that can be used for video out, so all the contents of this phone can be seen on the television screen. Maps Nokia Maps with GPS accessories LD-4W, you can enjoy the GPS feature on this phone.

Although 3G is not available features, a number of facilities as possible to surf the ria have this phone, for example, GPRS, HTML (Opera mini 4.0) browser, Bluetooth, Email and Instant Messaging.
Nokia 3600 Slide bundle Lithium-ion battery 860 mAh to 280 hours during the stay stand-by, or for 5 hours and can be used for a chat.

SPESIFIKASI Nokia 3600 Slide

• Quad-band GSM/GPRS/EDGE support
• 2" 16M-color QVGA display
• 3 megapixel camera, autofocus and LED flash
• VGA video recording
• S40 user interface, 5th edition, FP1
• Bluetooth with A2DP, USB
• Stereo FM radio with RDS
• microSD card slot (up to 8 GB), 512MB included
• 2.5mm standard audio jack, TV-out
• Rich preinstalled content
• Nokia Maps
• Voice commands
• Compact and lightweight
• Nice oval shapes and neat slider design

HARGA BELI BARU :Rp 1.825.000,00
HARGA BELI BEKAS : Rp 1.500.000,00
HARGA JUAL KEMBALI : Rp 1.250.000,00

Nokia has rolled out their new 8800s. They are the Nokia 8800 Arte and Nokia 8800 Sapphire Arte, featuring an elegant and sophisticated design theme that takes inspiration from nature and sets it apart from the crowd. By tapping the steel surface below the display, you will get an analogue clock appears. They have the 'turn-to-mute' feature which allows user to quiet their phone by simply turning the over the phone, the screen-side down.

These two new phones sport high-end metal and glass for the casing, while adding a touch of imported goat skin to match the mink coat sitting in the closet. I’ll admit, these phones look very sleek and classy, but I couldn’t see myself paying over $1400.00 for either of these phones which is what the asking price has been stated to be. Goat skin or not, it’s just not worth it considering you can get an iPhone for much less.

The specs for the phone are somewhat impressive. You can browse the web at high speeds using integrated 3G cellular technology, Nokia 8800 Arte also offers a 1GB internal memory and a 3.2 mega pixel camera with 8x zoom.

SPESIFIKASI NOKIA 8800 Sapphire Arte

• Stunning 2.0" QVGA 240x320 pixels, OLED display with 16 million colors
• 3.2 megapixel auto focus camera with 8x digital zoom
• 3G capabilities
• 1 GB built in memory space
• MicroUSB all-in-one-connector
• Anti-fingerprint coating on metal and glass
• Battery:3 hours talk / 12 days standby

HARGA BELI BARU : -
HARGA BELI BEKAS : Rp 8.000.000,00
HARGA JUAL KEMBALI : Rp 4.000.000,00

First and foremost, the 3110 Classic is designed for stylish simplicity. Large, easy-to-press buttons are arranged on a sleek rectangular-shaped case. A 128 x 160-pixel, 262K color display resides above a five-way center button that controls most of the phone's menus and functions. The backside of the phone houses the device's 1.3-megapixel camera lens. The phone features a microSD / TransFlash slot that accommodates cards up to 2 GB.

The 3110 Classic's built-in address book can store up to 1000 contacts for quick and easy management of phone numbers and addresses. In addition to a vibrate alert, the phone is compatible with MP3 and MIDI ringtones, as well. It even supports video ringtones. Different ringtones can be set for groups of callers so you know who's calling without having to look at the device. A call log keeps track of your recent dialed calls, as well as your most recent missed or received calls. Plus, there's a speakerphone so you can talk all you want without having the phone to your ear.

The 3110 Classic has all the bases covered when it comes to messaging and Internet connectivity. Use the phone's built-in picture messaging capability to send text, graphics, and pictures to your friends. The phone features support for instant messaging applications, and there's a built-in WAP 2.0 Web browser (supports HTML, xHTML, TCP/IP) for downloads and mobile Web browsing. The phone also supports Nokia Xpress Audio Messaging (AMS)--a fast and simple way to send voice or sound clips via MMS. T9 text entry, a technology that makes it easier for people to enter words and text on handsets, is built into the unit--a plus for mobile email and text messaging users.

Document your latest adventure with the phone's advanced 1.3-megapixel camera that features an 8x digital zoom, or with the camera's supported video recorder. The built-in advanced music player supports MP3, MP4, AAC, AAC+, eAAC+, H.263, and H.264 music files. Lastly, high-quality video can be streamed straight from the device. And because the phone supports the A2DP and AVRCP Bluetooth stereo profiles, you can wireless stream music to compatible Bluetooth-enabled stereo headphones, enabling completely untethered music enjoyment.

• Frequency : GSM Triband EGSM 900 MHz, GSM 1800/1900 MHz
• Display : 262,144 colors Active TFT, 128x160 pixels display, 1.8 inch display
• User interface : Series 40 user interface
• Imaging : Integrated 1.3 megapixel camera with up to 8x digital zoom, Video recorder
• Multimedia : Visual Radio, Integrated music player for MP3, AAC, AAC+, eAAC+, H.263, H.264 formats
• Memory Functions : 8.5 MB built-in memory. Options to expand up to 2 GB with microSD card
• Messaging : MMS, Email, Text messaging, Audio messaging, Instant Messaging
• Java Applications : Java MIDP 2.0
• Ringing Tones : 64-chord/voice polyphonic MIDI ringing tones, supporting MP3, True Tones, 64-chord/voice polyphonic MIDI ringing tones
• Connectivity : Bluetooth 2.0, Infrared
• Browsing : OMA Digital DRM 2.0, Full OMA Client provisioning, DARP, EDGE (Class B, multislot class 10), GPRS (Class B, multislot class 10), GPRS/EDGE/HSCSD/CSD for browsing and as date modem

HARGA BELI BARU : Rp 1.075.000,00
HARGA BELI BEKAS : Rp 800.000,00
HARGA JUAL KEMBALI : Rp 700.000,00

NOKIA 7610 Supernova is A simple and small, yet handy device', is the first thought that came to my mind upon opening the box. The plastic housing appears to be no different from most Nokia devices; simple yet tough. I have a feeling of old times reviving again, especially thanks to the additional Xpress covers found inside the box. Just like in the good old days: changing 'covers' to give the phone’s regular appearance a personal touch. The Nokia 7610 slider phone features a monitor that has a mirror effect and is likely to serve a dual purpose as an accessory in a ladies handbag. Thankfully, the mirror effect disappears when the background light of the monitor is activated. The mobile phone is easy to open and in turn also easy to slide closed again. It is clear that the device is rugged and solid.
Nokia has just announced its new 7610 Supernova slider handset, the flagship in the new Supernova product group. This cell phone offers a 3.2 megapixel autofocus camera with dual LED flash and a completely innovative new feature called the Theme Colourizer. This new feature allows you to snap a photo of anything, and then use the color in the photo as the keypad backlight color, or as your phone's wallpaper.

The 7610 Supernova sports quad-band GSM (850/900/1800/1900MHz) and Bluetooth 2.0 for connectivity, and has a built-in FM radio tuner. A microSD card slot offers plenty of memory expansion options, and the 2.5mm audio port doubles as a TV-Out that is usable with the included cable.

The Nokia 7610 Supernova uses Nokia's S40 user interface, which includes an enhanced web browser, music player, and customizable active standby screen. This slider will be available in grey, with included 'steel blue' or 'red' Xpress-On user-changeable covers, or white with included 'bright lilac' and 'steel blue' covers.

SPESIFIKASI NOKIA 7610 Supernova
Network : GSM 850/900/1800/1900 MHz
Dimension : 98 x 48 x 15 mm
Weight : 99 gram
Display : TFT, 16 million colors, Res. 240 x 320 pixel
Camera : 3,15 MPix, Res. 2048 x 1536 pixel, autofocus, video(VGA@15fps), dual LED
Memory : 64 MB internal memory, slot microSD (TransFlash) until 2GB
Features : GPRS class 32, EDGE class 32, Bluetooth v2.0 with A2DP, microUSB, WAP 2.0/xHTML, HTML, Java MIDP 2.0, SMS, MMS, Email, Instant Messaging, Theme Colorizer, Stereo FM radio with RDS, MP3/AAC/AAC+/eAAC+/WMA player, MPEG-4 player, Voice memo, T9, Built-in handsfree, Xpress-on cover
Batery : Li-Ion 860 mAh
Standby Time: 300 hours
Talk Time: 5 hours

HARGA BELI BARU : Rp 2.350.000,00

GAMBAR|HARGA|SPESIFIKASI NOKIA 6210 Navigator

NOKIA 6210 Navigator Smartphone is a glimpse at the iPhone design is not just a smartphone only. With the features of the GPS, to track the location is not that difficult. But not only the design and features of GPS are its mainstay is the Nokia 6210, its performance is also powerful enough to handle the needs of the executive.

Clearly, any time, with the ability GPRS, HSCSD, EDGE, Bluetooth, HTML Browser, MMS, Email, Instant Messaging, and Nokia 6210 are already able to accommodate the needs of almost all digital at this time. Moreover, with the ability to Push to talk, and GPS receiver.

GPS has the ability to display the rather broad. Therefore Nokia catenarian placing its key keypad on the inside that can digeser out when needed. The outside of the smartphone with a slider form factor is that has a wide screen 2.4 inches with a few control buttons underneath.

In general, the security features of Nokia 6210 Navigator is the function on the GPS navigation to its alias. To support these features, Nokia has Nokia Maps embed software in this product. To save this map data, install the Nokia with a 1GB microSD card in Nokia 6210 Navigator is.

Viewing the performance of the Nokia 6210 Navigator is, no wonder if Trusted Reviews gave a 7 out of 10 on the smartphone that was launched this July. Which may be a little weak is the screen. When used in light conditions that are too bright, the screen is almost not legible. Here is a glimpse of the specification Nokia 6210 Navigator is. For more details, you may be able to visit the official website of this product.


HARGA BELI BARU : Rp 3.150.000,00
HARGA BELI BEKAS : Rp 2.400.000,00
HARGA JUAL KEMBALI : 2.000.000,00