1. IPOD 30 GB CLASSIC A brief description By: Sidddharth Babbar

2. iPOD Classic Technical Specifications 1  Size and weight  Height:4.1 inches (103.5 mm)  Width:2.4 inches (61.8 mm)  Depth:0.41 inch (10.5 mm)  Weight:4.9 ounces (140 grams) 1 Source:http://images.apple.com/ipodclassic/images/specs_dimensions20080 909.jpg

3. Display & Audio Display  2.5-inch (diagonal) color LCD with LED backlight  320-by-240-pixel resolution at 163 pixels per inch Audio  Frequency response: 20Hz to 20,000Hz  Audio formats supported: AAC (16 to 320 Kbps), Protected AAC (from iTunes Store), MP3 (16 to 320 Kbps), MP3 VBR, Audible (formats 2, 3, and 4), Apple Lossless, AIFF, and WAV  User-configurable maximum volume limit http://images.apple.com/ipodclassic/images/specs_front20080909.jpg

4. Input/Output & Buttons Input and output Buttons  Dock connector  3.5-mm stereo headphone jack Img 1:Source: http://images.apple.com/ipodclassic/images/specs_external20080909.jpg Img 2Source: ttp://images.apple.com/ipod/images/specs_connector20080909.jpg

5. Video  H.264 video, up to 1.5 Mbps, 640 by 480 pixels, 30 frames per second  Low-Complexity version of the H.264 Baseline Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in.m4v,.mp4, and.mov file formats  H.264 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Baseline Profile up to Level 3.0 with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in.m4v,.mp4, and.mov file formats  MPEG-4 video, up to 2.5 Mbps, 640 by 480 pixels, 30 frames per second, Simple Profile with AAC-LC audio up to 160 Kbps, 48kHz, stereo audio in.m4v,.mp4, and.mov file format

6. Capacity 1  30 GB  7500 songs  25000 photos  210 hours of video

7. Battery  Built-in rechargeable lithium ion battery  Playback time  Music playback time: Up to 36 hours when fully charged  Video playback time: Up to 6 hours when fully charged  Charging via USB to computer system or power adapter (sold separately)  Fast-charge time: about 2 hours (charges up to 80% of battery capacity)  Full-charge time: about 4 hours Img source: http://images.apple.com/ipodclassic/images/specs_battery20080909.jpg

8. Uploading Media  Primary application - iTunes (available free) to upload music. Source: Screen shot from my desktop

9. Basic physical layout Source: http://www.info.apple.com/images/kbase/61122/61122_2.jpg

10. Primary Components  Hard Drive  Battery  Click Wheel  Display  Microprocessor  Video chip  Audio Chip

11. A look Inside http://static.howstuffworks.com/gif/ipod-2.jpg

12. Hard Drive Specifications 2 Capacity30 GB Supported interfaceDMA/ATA-100 (Ultra) Spindle Speed4200 rpm Buffer2 MB Average Latency7.14 ms Average Seek Time15 ms http://i11.ebayimg.com/05/i/001/42/53/01c3_2.JPG

13. BATTERY 3  Lithium Ion  3.7 volts  550 mAh (milliamp hours) http://www.heybridgesupplies.co.uk/library/Ipod/battery/IPBVIDEO30G.jpg

14. Click Wheel  Metal Channels in the wheel form a conductor  Your finger is the other conductor  Charge builds up on the plastic portion  Click Wheel controller senses and measures movements Img2 source: http://static.howstuffworks.com/gif/ipod-13.jpg Img1 source: http://static.howstuffworks.com/gif/ipod-11.jpg

15. LCD (Liquid Crystal Display  2.5-inch (diagonal) color LCD with LED backlight  320-by-240-pixel resolution at 163 pixels per inch  16-bit, TFT LCD.  0.156 dot pitch.  0.125 inches (3.175 mm) thickness http://www.u2cheer.co.uk/ebay/itempic/parts/ipod/ipod_video_lcd.jpg

16. Microprocessor 4  PortalPlayer PP5021C  dual embedded variable speed 80 MHz ARM 7TDMI processors  Video decoding - Broadcom VideoCore BCM2722 processor.

17. Video Chip 5 Broadcom VideoCore BCM2722 processor  low power with MPEG-4 encode from only 10 mW  NTSC/PAL direct video output  LCD controller, and 32Mbits of embedded SDRAM

18. Audio Chip 6 Specifications for WM879  Stereo DAC with headphone driver  50mW power into 16R load on 3.3V supply Audio Performance  100dB SNR (‘A’ weighted @ 48kHz)  88dB THD line level  72dB THD headphone  DAC Sampling Frequency: 8kHz – 192kHz  Pin Selectable Audio Data Interface Format  - I2S, 16-bit Right Justified or DSP  2.7V - 5.5V Supply Operation, Split Analog-digital supplies  4-pin SOIC Package  Typical power consumption 20mW on 2.7V supply

19. Motherboard http://static.howstuffworks.com/gif/ipod-10.jpg

20. Motherboard (2) http://static.howstuffworks.com/gif/ipod-8.jpg

21. Works Cited 1 http://www.apple.com/ipodclassic/specs.html 2 http://www.amazon.com/Toshiba-MK3006GAL-internal-ATA-100-buffer/dp/B000YFI4AO 3 http://www.batteryship.com/htmlos/htmlos.cgi/batteryship/catalog.html?item=616- 0229&model=iPod+Video+30Gb 4 http://www.everymac.com/systems/apple/consumer_electronics/ipod_faq/ipod-processor- type-portal-player-samsung.html 5 http://www.broadcom.com/products/Mobile-Multimedia/Mobile-Multimedia- Processors/BCM2722#tab=features-tab 6 http://pdf1.alldatasheet.com/datasheet-pdf/view/91275/WOLFSON/WM8759.html 7 http://electronics.howstuffworks.com/ipod4.htm