Product Summary

The SM2242G is a surface mount transient voltage suppressor that makes it easy to capture and playback audio, video, and television signals on Microsoft Windows based personal computers equipped with USB ports. The USB-TV design can output MPEG video to either the computer display or a standard NTSC/PAL video monitor. The SM2242G host interface connects gluelessly to the Cypress USB controller for transferring MPEG-2 compressed video over the USB cable.

Parametrics

SM2242G absolute maximum ratings: (1)Intel 400MHz Pentium II/AMD 500MHz K6-2; (2)Windows 98/98SE/ME; (3)64MB minimum RAM; (4)60MB free hard disk drive space (Time shifting applications will require significantly more space); (5)Graphic accelerator with DirectDraw Overlay Support (AGP recommended); (6)SVGA monitor (800x600); (7)44khz 16-bit sound card; (8)USB 1.X port.

Features

SM2242G features: (1)Real-time two channel PCM audio encoding/decoding; (2)Real-time MPEG-1 video encoding/decoding; (3)Real-time MPEG-2 ML @ MP video encoding/decoding; (4)Cypress EZ-USB FX Controller; (5)Philips SAA7114 and SAA7121 video D/A and A/D; (6)Multi-channel, cable ready TV tuner covers the band range 55.25 MHz to 801.25 MHz; (7)Stereo-FM tuner covers the band range 76.0 MHz to 108 MHz; (8)MPEG audio compression (Layer II) using Qdesign; (9)Media MPEG Pro software (requires license); (10)Software-based multiplexing and demultiplexing of audio/video bit streams; (11)Enables fast development of aggressively priced USBbased TV tuner and video capture devices.

Diagrams

SM2242G block diagram