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Amplifiers handle 500MHz to 1.5GHz bandwidth

Posted: 03 Sep 2008 ?? ?Print Version ?Bookmark and Share

Keywords:current feedback amplifier? voltage feedback amplifier? multiplexing?

Cadeka introduces seven current feedback (CFB) and voltage feedback (VFB) high-speed amplifiers that break the price-performance curve. These amplifiers offer superb large signal 0.1dB gain flatness (>100MHz with VOUT=2Vpp) which improves signal stability and increases signal fidelity in high-definition, professional, and broadcast video applications. In addition, all seven amplifiers offer over 100mA output current. The combination of high-speed, large output current and excellent bandwidth flatness make these amplifiers well suited for use in many high-speed applications including high-definition (HD) video switching and distribution, said Cadeka.

"These seven amplifiers are examples of our strong commitment to providing cost effective, amplifier solutions for high-end video and instrumentation applications," said Gary Ross, Cadeka's CEO. "With three products above 1GHz that are priced below $1 per channel, Cadeka is well positioned at becoming the price-performance leader."

High performance devices
The COMLINEAR CLC1605 (single) and CLC3605 (triple) offer 1.5GHz bandwidth and 120MHz large signal 0.1dB bandwidth, well above HD video requirements. The CLC3605 offers a disable feature to save power and allow for multiplexing applications. For applications that require extreme gain flatness, the CLC1606 (single) offers 150MHz 0.1dB bandwidth at VOUT=2Vpp. The CLC1606 also features 3,300V/?s slew rate and fast rise/fall times (0.5ns) for ultimate performance in pulse amplifying and instrumentation applications, said Cadeka. Active filter applications, driving data converters, and instrumentation applications will also benefit from the high slew rate and wide bandwidth flatness of these CFB amplifiers.

The COMLINEAR CLC1004/CLC1014 and CLC3004 (triple) offer bandwidth and slew rate performance usually found in CFB amplifiers. These voltage feedback amplifiers provide 1,400V/?s slew rate and 750MHz bandwidth. Like Cadeka's new CFB amplifiers, this family also offers high gain flatness (120MHz 0.1dB bandwidth at VOUT=2Vpp). For power sensitive applications, the CLC1006 consumes only 5.5mA supply current yet is still able to provide 500MHz of bandwidth.

All products are available today in Pb-free, RoHS compliant packages. Budgetary 1,000 piece pricing are as follows: CLC1004/CLC1014 at 40 cents; CLC1006 at 38 cents; CLC1605/CLC1606 at 63 cents; CLC3004 at $1.35; and CLC3605 at $1.77.

- Henri Arnold
EE Times Europe





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