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Low noise 8GHz scope aims at power line analysis

Low noise 8GHz scope aims at power line analysis

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By Nick Flaherty



The 6 Series MSO mixed signal oscilloscope uses the same Tek49 signal processing ASICs as the Series 5, with a dedicated chip for each channel to provide the sample rates. It also incorporates a new low-noise preamplifier ASIC, the Tek061, that lowers noise to 165μV at 8GHz and 60μV at 1GHz, especially on signals that are in the hundreds of millivolts peak-to-peak. With its 25 GS/s sample rate on four channels, the instrument delivers 16bit resolution at 200 MHz when using the High Res mode. 

Designs require clean, precisely-controlled DC power supplies to feed ASIC and FPGA devices. For such applications, the 6 Series MSO enables designers to measure DC power rails with more resolution and accuracy, reducing the time it takes to understand high frquency influences on power rails in a design. This means that not only can designers see the interfering signals on their power rail, but they can measure them with a level of accuracy, that until now has not been possible on a scope. The low noise comes from a custom design developed with an OEM, says Tektronix.

The scope is upgradeable in frequency and sample depth via a keycode and is available with a built-in arbitrary/function generator, a free DVM and trigger frequency counter with product registration, protocol options, and offers a choice of operating system.  Also, like the 5 Series MSO, adding a TLP058 logic probe turns any of the instrument’s four FlexChannel inputs into eight digital inputs, providing the most flexible MSO configurations available.

Tektronix has also added options for decode and trigger support for CAN FD, MIL-STD-1553, ARINC429 and SENT bus, serial compliance testing for Automotive Ethernet and USB 2.0 and an advanced power analysis option.

For easier connection to fast signals, Tektronix is also launching a series of new higher performance probes well suited to the performance levels of the 6 Series MSO. The TDP7700 is a series of TriMode probes with bandwidths of 4, 6 or 8 GHz. TriMode probes enable engineers to make the single-ended, differential, and common mode signal measurements required for high-speed bus analysis, without moving or changing probes. These probes use the TekFlex connector technology which places active buffers at the probe tip for the best signal fidelity while limiting mechanical stress on tiny test points and supports a variety of connectivity methods to the device under test including solder-in tips, direct connection and handheld browsing.

Additionally, the TAP4000 and TDP4000 probes extend the range of Tektronix’ popular active, single-ended and differential probes, respectively, and now support up to 4 GHz bandwidth.

The 6 Series MSO is available for order now with global shipments planned for the autumn of 2018. Pricing starts at £19,600 MSRP for 1 GHz models. The TDP7700 range of probes, which will have similar availability, are priced from £6,380 MSRP.

www.tektronix.com

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