TTI enhances function generator

TTI has updated its TG2000 20MHz function generator with new drivers to give improved USB performance under Windows Vista while retaining compatibility with earlier Windows versions.

Other changes include a display with improved brightness and contrast.

The TG2000 is a bench-top DDS function generator that offers full control using RS232 or USB interfaces.

The DDS (direct digital synthesis) system delivers low-distortion sine waves with improved spectral purity in comparison with analogue function generators.

TTI said that frequency stability and phase noise of the TG2000 are excellent, and absolute frequency accuracy is better than 10 parts in 106.

The TG2000 can generate frequencies between 0.001Hz and 20MHz to six digits of resolution at amplitudes between 5mV and 20V peak-to-peak EMF.

Source impedance is switchable between 50 and 600ohms.

The instrument incorporates fully phase-continuous sweep, linear or logarithmic, with sweep times variable between 50ms and 1000s.

The sweep trigger source can be internal or external (including interface command) and a sweep marker is provided.

Other modulation modes include AM, gated, FSK and tone-switch using a table of up to 16 frequencies.

The TG2000 is a fully digitally controlled generator in which all functions can be controlled from the digital interfaces or by recall from the nine internal set-up memories.

This makes it particularly suitable for automated or repetitive test applications.

The instrument is housed in a 2U high casing that can also be rack-mounted.

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