TG5011 50MHz function/arbitrary/pulse generator from TTiSaelig Logo




:  July 30, 2014
   Alan Lowne, CEO, Saelig Company Inc.
                 Tel: (585) 385-1750 Email:

Saelig Introduces Versatile 2-Ch 50MHz DDS Function Generator
Modulation modes include wide range sweep, internal or external AM, FSK, and frequency list stepping

Fairport, NY, USA:  Saelig Company, Inc. ( Saelig Company, Inc. has a launched two channel versions of their best-selling TG5011 function/arbitrary/pulse generators. The new TG5012A, with a maximum frequency of 50MHz, represents excellent value for the money when compared to purchasing two generators as needed for complex waveform generation like multiple burst patterns. Unlike some other two channel generators, both channels provide the full performance and specification, along with entirely independent operation when required. A notable feature is that either channel can be triggered by the other channel to set up a complex and versatile inter-channel trigger scheme without requiring external connections.

The two channels can be operated completely independently as two separate generators. Alternatively the frequencies of the two channels can be internally coupled without needing external cables, such that if frequency of one channel is changed, the frequency of the other channel also changes - either by a fixed ratio or fixed offset. Amplitudes (and DC offsets) of the two channels can be coupled such that changing the amplitude and offset on one channel changes the amplitude and offset of both channels. Outputs of the two channels can be coupled such that switching the output on/off on one channel switches the output on/off of both channels. When in tracking mode both channels behave as one channel. If inverse tracking is selected, both channels still behave as one channel except that the output of channel 2 is inverted. The relative phase can be set from -360 degrees to +360 degrees with 0.1 degree resolution. Pressing the ‘align’ key phase synchronizes the two channels with the specified phase offset.


The frequency of these waveforms can be set with up to 14 digits or one microHertz of resolution. The DDS based frequency generation system uses a TCXO timebase oscillator with a stability of 1ppm.  The TG5012A generates high purity sine waves with low harmonic distortion and low phase noise. Square waves have a rise time of below 8ns and low overshoot. Variable symmetry can be used up to 25MHz. High quality triangle and variable symmetry ramp waveforms are available up to 1MHz.  These waveforms are also available at higher frequencies via the arbitrary function without symmetry adjustment and with reduced waveform quality as the frequency increases.  The high resolution of the DDS system means that very low frequencies can be set. For example, a frequency of around 1mHz can be set with a resolution of 0.1% and a stability of 1ppm.

Made by Aim-TTi, a leading European test equipment manufacturer, the TG5012A Function Generator is available now from Saelig Company, Inc. Fairport, NY.


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