News Release from: Dataquest Solutions
Edited by the Electronicstalk Editorial Team on 30 June 2005
Amplifiers boost waveform generator output swings
A new range of amplifier boards allows 8 and 14bit arbitrary waveform generators to generate output swings of +/-10V.
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Until recently the 8 and 14bit arbitrary waveform generator boards from Dataquest Solutions were able to generate an output swing of +/-3V on their four channels at megasample speeds. However, attentive to customers wishes the supplier and manufacturer Spectrum has now released an even more capable range of amplifier boards, with output swing extended to +/-10V. This amplifier option is available in one-, two- or four-channel configurations.
The high 30MHz bandwidth of these amplifiers allows use with all generators, ranging from the entry-level version with 20Msamples/s, up to the high-end version with 125Msamples/s operating through 25MHz output filters.
When using high impedance termination the full output swing of +/-10V is available, +/-5V when used with 50ohm termination.
As these amplifiers have a fixed amplification no additional software programming is necessary.
All features of the arbitrary waveform generators like the programmable gain and offset or the filter settings are still available when using the amplifier board.
The arbitrary waveform generators of the highest specification 60xx series consist of eight different versions with 14bit resolution and output rates between 20 and 125Msample/s.
All versions are available for different bus systems like PCI, PXI, CompactPCI 3U and 6U.
The generator boards have one, two or four synchronous channels and can be combined using an internal synchronisation bus to multiboard mixed-mode systems with generation and signal capture combined.
All cards can be loaded with freely defined waveforms using the up to 512Mbyte onboard memory.
For the programmer a large number of Windows and Linux drivers are provided, including example code.
For those wishing for a fast easy way to produce standard waveforms, SPEasyGenerator is a virtual bench top control panel for operators that quickly provides the standard range of output waveforms under PC mouse control.
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