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Oscilloscopes feature four high-speed analog channels

Posted: 19 Oct 2009 ?? ?Print Version ?Bookmark and Share

Keywords:oscilloscope? analog? GUI?

DLM6000 oscilloscope

Yokogawa has introduced the DLM6000 mixed-signal oscilloscope that features bandwidths up to 1.5GHz, memory of 6.25M points per channel, intuitive GUI and a number of advanced analysis features.

The new oscilloscope family consists of five four-channel models: the two DLM6000 mixed-signal oscilloscopes with 16- or 32-bit logic capability and bandwidths of 500MHz and 1GHz; and three DL6000 versions with bandwidths of 500MHz, 1GHz and 1.5GHz, respectively. All the instruments have a maximum sampling rate of 5GSps, apart from the DL6154 1.5GHz instrument with 10GSps. The 16-/32bit logic inputs on the DLM6000 series models have a maximum toggle rate of 250MHz or 100MHz, depending on the probe used.

The new range is priced very competitively, with the 16bit DLM6054 with two 100MHz logic probes costing from 10,900 euros (about $16,246).

The new user interface, based on extensive market research including detailed feedback from users, makes the instruments very easy to use. It incorporates a new physical layout with backlit buttons, new on-screen visual elements including graduated menus, and innovative controls including a four-direction selector button and Yokogawa's unique 'jog shuttle' control.

In addition to the ease of use provided by the new user interface, the oscilloscopes offer an extensive range of capabilities for waveform characterization, powerful tools for detecting glitches and anomalies, advanced signal enhancement and noise reduction technologies, and a range of options for serial-bus analysis and power measurement.

The combination of 32bit logic inputs and four high-speed analog channels makes the mixed-signal models ideal for the testing and debugging of embedded systems, while the built-in Windows capability along with a range of software drivers means that the instruments can easily be integrated into automated test systems.

Advanced logic analysis capabilities include state display, a �virtual D/A' feature that calculates the analogue signal from the logic information and displays the result on screen, and bus bundle and symbolic decoding facilities. Moreover, unlike other mixed-signal oscilloscopes on the market, the DLM6000 samples the logic channels simultaneously with the analogue channels and at the same maximum speed.

The instruments feature high-speed acquisition and quick response, with an uncompromised update rate of up to 25,000 waveforms per second, a history memory function for more efficient waveform observation and analysis, and powerful zoom and search functions.

The history memory function allows the user to recall and display previously acquired data from up to 2000 screens' worth of past waveforms. This ability to redisplay and subsequently analyze data offers significant benefits in troubleshooting and analysis.

Also included are powerful functions for searching the memory for desired waveforms, and zoom functions for observing these waveforms in detail. In addition to searching based on criteria such as signal edge, pulse, and multichannel state, the history memory can be searched by serial or parallel waveform patterns and waveform parameters. Users can quickly find desired waveform data in memory, enlarge the area with the zoom function and scroll the data.

A dual-window zoom function simultaneously zooms in on two areas. Two individual zoom factors and positions can be set with independent timescales and displayed simultaneously. Using the automatic scroll function, it is possible to automatically scroll waveforms captured in long memory and change the position of the zoom areas. Powerful trigger functions include the ability to trigger conditions using a logic signal as the source. Various trigger conditions can be combined to capture only the desired signals.

Signal enhancement capabilities include new IIR and FIR bandwidth filtering, a high-resolution mode, averaging, and real-time math channels.

Serial bus analysis options allow analysis to be carried out on I?C, SPI, CAN LIN and UART bus systems, with triggers for these bus types included in the package. Hardware acceleration enables serial bus analysis to be carried out in real time. This capability makes it easy to discriminate between partial software failures and physical-layer waveform problems when troubleshooting systems by observing the physical-layer characteristics of signals. With the dual-window zoom function, the instruments can simultaneously analyze and display waveforms from buses running at different speeds.

- Henri Arnold
EE Times Europe

For application notes on oscilloscopes click here.

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