A 100-Msps sampling analog-to-digital converter chip set

A 100-Msps sampling analog-to-digital converter chip set

The authors describe a 100-Msps sampling analog-to-digital converter (ADC) chip set that can be used for a wideband high-resolution digital storage oscilloscope (DSO). A high conversion rate and a 500-MHz sampling bandwidth with an 8-b effective resolution are obtained by a combination of three Si-b...

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Veröffentlicht in:IEEE transactions on instrumentation and measurement 1992-04, Vol.41 (2), p.208-211
Hauptverfasser: Imamura, M., Kusayanagi, N., Toyama, A., Choi, T.
Format: Artikel
Sprache:eng
Schlagworte:
Analog-digital conversion
Applied sciences
Bandwidth
Bridge circuits
Circuit properties
Clocks
Electric, optical and optoelectronic circuits
Electronic circuits
Electronics
Exact sciences and technology
Gallium arsenide
Oscilloscopes
Sampling methods
Schottky diodes
Signal convertors
Switches
Wideband
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Beschreibung
Zusammenfassung:The authors describe a 100-Msps sampling analog-to-digital converter (ADC) chip set that can be used for a wideband high-resolution digital storage oscilloscope (DSO). A high conversion rate and a 500-MHz sampling bandwidth with an 8-b effective resolution are obtained by a combination of three Si-bipolar chips and two GaAs-diode chips. the ADC uses a pipelined two-step subranging architecture that uses two cascade wideband track-and-hold (T/H) circuits. The design features of the T/H circuits and the residual amplifier are also presented.< >
ISSN:0018-9456
1557-9662
DOI:10.1109/19.137349