IPOD 30 GB CLASSIC A brief description By: Sidddharth Babbar

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: 909.jpg

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

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

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

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

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:

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

Basic physical layout Source:

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

A look Inside

Hard Drive Specifications 2 Capacity30 GB Supported interfaceDMA/ATA-100 (Ultra) Spindle Speed4200 rpm Buffer2 MB Average Latency7.14 ms Average Seek Time15 ms

BATTERY 3  Lithium Ion  3.7 volts  550 mAh (milliamp hours)

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: Img1 source:

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.  dot pitch.  inches (3.175 mm) thickness

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

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

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’ 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

Motherboard

Motherboard (2)

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