Posted on January 7th, 2009 by admin
Broadcasters stabilize DTV signals
Back in May, we covered the digital TV (DTV) world with a look at the state of the industry (”Bleak forecast”) and a hands-on examination on the DTV experience here in the Digital Den (”Finely tuned, or finally tuned?”). We didn’t paint a pretty picture.
Today the situation hasn’t greatly improved. As In-Stat [...]
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Posted on January 7th, 2009 by admin
The ADSP-2100 family’s CPU handles general processing needs and delivers single-cycle instruction execution when executing tight DSP algorithms from on-chip memory. Analog Devices designers opted for a wide 24-bit instruction word to minimize instruction decoding and speed execution, while utilizing complex instruction formats. Data words are 16 bits. The difference in code and data word [...]
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Posted on January 7th, 2009 by admin
The 2100 family combines 16-bit math processing with zero-overhead looping. The first chip, the DSP-2100, has no on-chip program or data memory. Instead, it has two external buses—one each for program and data—and an on-chip cache of 16 instruction words. Later chips, such as the ADSP-2171, add on-chip memory. The ADSP-2171 has 8k-word program ROM, [...]
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Posted on January 7th, 2009 by admin
ADSP-2171 24-bit instruction word, 14-bit data word
2k×14-bit data RAM
4k×24-bit program RAM
8k×24-bit program ROM
8-/16-bit parallel/host interface
2 serial I/O ports
1 16-bit interval timer
3 external interrupts
8k PM ROM, 2k PM RAM, 2k DM RAM
3 power-down modes 33-MHz operation (16.67-MHz external clock)
30-nsec ADD, NOP, MPY, MAC
1-cycle external memory R/W
Multiple wait states
Register shadowing for fast context switch
Zero-overhead instruction loops
3-cycle [...]
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Posted on January 7th, 2009 by admin
The 1994 EDN DSP-Chip Directory is a keeper: Not only have we revised and updated last year’s chip specs, but we’ve also added new entries, including Zoran’s 16-bit fixed-point ZR38000, the Texas Instruments’ 32-bit MVP, and Analog Devices’ SHARC, a 32-bit floating-point DSP.
The 16-bit fixed-point devices continue to dominate low-cost applications. As new variations of [...]
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Posted on January 1st, 2009 by admin
Greens are red not blue, but black. One of the greatest injustices: Left are all over the world as a bad-tempered rights. Why is that? Are Left simply disgruntled because they earn less, and less likely to marry on the street rather than go to church?
Even if these purported reasons adjusts, the attitude to life [...]
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Posted on December 31st, 2008 by admin
Each year, Technology Review publishes its list of emerging technologies, which its editors will be particularly considered in the coming years. Technologies are ready to leave the laboratories, in a wide range of areas: energy, computer science, biology, etc..
The technologies are:
- Modeling Surprises: combine massive amounts of data, information about human psychology, and machine learning, [...]
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Posted on December 28th, 2008 by admin
From the moment the children are their parents worry of course they were born. Have they hungry? Are they warm enough? Are you sick?
Parents will soon face the surrounding dangers, while babies begin to crawl, to walk and run. The dangers seem to be everywhere. As any parent knows, the only set deeper interests, [...]
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Posted on December 27th, 2008 by admin
No notes peripherals, FrogPad, wireless keyboard with Bluetooth. Gennum Corporation has announced a version of its Bluetooth FrogPad. The new keyboard incorporates the provision of ergonomic patented FrogPad in which 15 letters are the most used in the English alphabet with shortcut keys. The device is compatible with PCs yMac and some mobile devices.
In accessories [...]
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Posted on December 25th, 2008 by admin
Food and Biotechnologin Viktoria Weber was FEMtech for the month of April awards - Viktoria Weber
The FEMtech expert of the month of April is called Viktoria Weber, is 41 and studied Food and Biotechnology at the University of Agricultural Sciences.
Then she worked as a post-doc at the Institute for Tumor Biology and Cancer Research [...]
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