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Electrical and Electronic Testing and PAT Equipment
News Release from: Pico Technology | Subject: ADC-212/100
Edited by the Engineeringtalk Editorial
Team on 11 October 2001
PCs turned into 100M samples/s
oscilloscopes
Pico Technology has released its 12-bit resolution ADC-212/100 which turns a desk-top or lap-top PC into a high-end 100M samples/s oscilloscope, 50MHz spectrum analyser and meter at the same time
PC-based instrumentation and data logging specialist Pico Technology has released its 12-bit resolution ADC-212/100 which turns a desk-top or lap-top PC into a high-end 100M samples/s oscilloscope, 50MHz spectrum analyser and meter at the same time In addition, software is supplied free of charge which allows the ADC-212/100 to be used for high-speed data acquisition and logging
This article was originally published on Engineeringtalk on 1 May 2002 at 8.00am (UK)
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Alan Tong, Pico Technology's Technical Director, comments: "Compared to most oscilloscopes on the market, the large buffer size, high resolution and fast sampling rate of the ADC-212 means engineers can capture fast-changing signals over a long period of time and still have the resolution to be able to 'zoom in' on areas of interest in both the X and Y axes." Unlike the majority of 8-bit oscilloscopes on the market today, which are only accurate to 3 per cent, the 12-bit ADC-212/100 has - thanks to a new low-noise, low-distortion and high-bandwidth front end - a basic DC accuracy of 1per cent.
The ADC-212/100 has nine input ranges, from +/-50mV to +/-20V, and its 1 per cent accuracy means it can be used with the same level of confidence as a digital multimeter (DMM) when establishing absolute values.
The 12-bit resolution in the Y-axis gives the ADC-212/100, when used as a spectrum analyser, a dynamic range of 80dB and the ability to detect changes as small as 0.024 per cent.
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Tong continues: "Conventional DSOs only offer 8-bit resolution and cannot detect signal changes less than 0.4 per cent - this is acceptable for most digital electronics applications, but precision analogue and audio electronics typically require the detection of less than 0.1 per cent." The analogue bandwidth of the ADC-212/100 is 50MHz, giving the spectrum analyser 'view' of PicoScope (the instrumentation software supplied free with the ADC-212) a range of DC to 50MHz.
The oscilloscope view timebases range from 100ns/division to 50s/division.
"Test and measurement solutions of this calibre - 12-bit resolution and 100M samples/s - have just not been available at a low price before," concludes Tong.
"To achieve the same measurement capabilities with traditional bench-top solutions would require the purchase of a dedicated oscilloscope and dedicated spectrum analyser - which would cost several times more than our solution." Pricing has been set to £699 for the ADC-212/100.
A lower cost version of the ADC-212, the ADC-212/50 with 50M samples/s and an analogue bandwidth of 25MHz, will carry a price of ?499.
The ADC-212/100 and ADC-212/50 are sampling now with full availability scheduled for November.
PicoScope and PicoLog software is provided free of charge with the new ADC-212 and upgrades are available free of charge.
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