• NAKANO Shin-ichi*1
  • OKADOME Masatomo*1
  • MINAI Masakazu*1
  • MORITA Kazunori*1

*1 T&M Business Div.
We have developed the DL1640/DL1640L digital oscilloscopes that feature4-channel inputs, 200-MS/s maximum sampling rates, a 200-MHz analogbandwidth and a 32-MWord maximum record length. Compared with former modelDL1500, this general purpose oscilloscope has realized an extremely compact sizeand light weight as a result of our development of an ADC IC incorporatingpreamplifier, a VLSI for an acquisition system and our employment of a high-efficiency power supply. This paper provides an over-view of these new digitaloscilloscopes.

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A mixed signal oscilloscope is an instrument enabling the simultaneous, time correlated observations and analysis of analog with digital (logic) signals, to establish causal relationships between the various areas of a device's electronics. They are purpose-built tools for troubleshooting electrical anomalies, measuring parametric values, and monitoring cause and effect relationships between signals.