Mwrf 11450 Promo 13m Tek Fig
Mwrf 11450 Promo 13m Tek Fig
Mwrf 11450 Promo 13m Tek Fig
Mwrf 11450 Promo 13m Tek Fig
Mwrf 11450 Promo 13m Tek Fig

Digitizer Brings Functionality and Power to the Table

Aug. 12, 2019
A new digitizer packs a host of performance benefits that includes low noise and superior vertical resolution.

Tektronix has been particularly busy of late bringing new test-and-measurement equipment to the market. One recent unveiling is the 6 Series low-profile digitizer (model number LPD64) (see figure). The company states that this new high-speed digitizer “has the functionality of a digitizer and the power of an oscilloscope,” and that its hardware platform is similar to the 6 Series MSO oscilloscopes.

The 6 Series low-profile digitizer is equipped with four channels and offers a sample rate as high as 25 Gsamples/s.

Equipped with four-channels, the 6 Series low-profile digitizer offers as much as 8 GHz of bandwidth and achieves a sample rate as high as 25 Gsamples/s. Supplied in a 2U form factor, the digitizer also features 12-bit analog-to-digital converters (ADCs) and has a standard record length of 125 Mpoints (the record length can be extended to 250 Mpoints as an option). Furthermore, SMA connectors provide the interface for all four channel inputs.

A key component for all channels is a real-time digital downconverter (DDC)—it allows for a capture bandwidth as high as 2 GHz when equipped with an optional analysis capability. Additional options provide customers with features like remote I/Q data transferring and RF versus time analysis.

Looking under the hood of the 6 Series low-profile digitizer reveals the Tektronix-designed TEK049 application-specific integrated circuit (ASIC). This ASIC contains 12-bit ADCs, which provide 16 times more resolution than traditional 8-bit ADCs. The TEK049 is paired with the TEK061 front-end ASIC, which, according to the company, enables “breakthrough” noise performance at the highest sensitivity settings. Thanks to the TEK061, RMS noise is only 54.8 µV at 1 mV/div with a 1-GHz bandwidth.

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