| 词条 | Intersil ICL8038 |
| 释义 |
The ICL8038 waveform generator was an Integrated circuit by Intersil designed to generate sine, square and triangular waveforms,[1] based on bipolar monolithic technology involving Schottky barrier diodes.[2] ICL8038 was a voltage-controlled oscillator[3]{{rp|434}} capable of producing frequencies between a millihertz and 100kHz.[4]{{rp|2}}, some specimens capable of reaching 300kHz.[4]{{rp|1}} The device has been discontinued by Intersil in 2002.[1][4]{{rp|1}} Triangular waves were produced by charging and discharging a capacitor with constant currents. The triangular waves were converted to sine waves involving a non-linear network.[4]{{rp|4}} The output frequency was set either by resistors or the external control voltage.[4]{{rp|6}} The temperature drift could be optimized to less than 250ppm/°C by combining it with a PLL.[4]{{rp|1}} {{citation needed span |date=January 2019 |text=Maxim designed a copy of the ICL8038 and marketed it as the MAX038. Both devices have since been discontinued. |reason=MAX038 is hardly a clone of ICL8038 with the 100mHz to 20MHz range}}References1. ^1 {{cite web |last1=Santo |first1=Brian |title=25 Microchips That Shook the World |url=https://spectrum.ieee.org/tech-history/silicon-revolution/25-microchips-that-shook-the-world |website=IEEE Spectrum: Technology, Engineering, and Science News |accessdate=7 January 2019 |language=en |date=1 May 2009 |publisher=Institute of Electrical and Electronics Engineers}} 2. ^{{cite web |title=Precision Waveform Generator/Voltage Controlled Oscillator |url=http://www.intersil.com/products/deviceinfo.asp?pn=ICL8038 |accessdate=7 January 2019 |archive-url=https://web.archive.org/web/20120412145309/http://www.intersil.com/products/deviceinfo.asp?pn=ICL8038| archive-date=7 January 2019}} 3. ^{{cite book |last1=Horowitz |first1=Paul |author1-link=Paul Horowitz |last2=Hill |first2=Winfield |author2-link=Winfield Hill |title=The art of electronics |date=9 April 2015 |publisher=Cambridge University Press |isbn=9780521809269 |edition=Third}} 4. ^1 2 3 4 5 {{cite web |title=ICL8083 Datasheet |url=http://www.intersil.com/data/fn/fn2864.pdf |accessdate=7 January 2019 |archiveurl=https://web.archive.org/web/20120205071737/http://www.intersil.com/data/fn/fn2864.pdf |archivedate=7 January 2019 |format=PDF |date=5 February 2012}} 1 : Integrated circuits |
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