Equipment and Components for the RF and Microwave industry

ASG Signal Generator FAQ’s

A1: The unit comes supplied with USB to mini USB Cable, DC Input Connector and Control Software.

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A2: The units come with a 24 month warranty.

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A3: Software upgrades are supplied free of charge.

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A4: The unit works with Windows XP, Windows 7 and Windows 8.

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A5:Yes, we fully support and encourage controlling the unit via user applications.

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A6: Yes the unit can be controlled in LabVIEW as a VISA serial device. Specifically, you form the command strings (e.g. "FR 3000") and send them through the low level VISA serial device.

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A7: The GUI displays the unit's serial number in the bottom right quadrant. Additionally, the user defined names may be set for each unit via the command line interface.

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A8: Yes, it is a Fractional-N synthesiser and will accept the reference input frequencies in question.

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A9: Yes, however 3.3Vp-p is the maximum and 2.5Vp-p is recommended, so it is advisable to pad the 3.3V CMOS signal (suggest padding the input with 0.5dB attenuator).
Note: The reference frequencies required, will determine how much the input needs to be padded with a suitable dB attenuator.

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A10: The Signal Generator outputs a continuous sine wave.

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A11: Sweep has two modes, dwell and duration.
Dwell allows the user to set the dwell time at each step.
Duration provides a user defined total sweep time.
Both modes allow the user to define the start and stop frequencies. Also, the sweep can go from high to low by setting the stop at a lower frequency.
Dwell type sweep settings: start freq, stop freq, step freq, dwell time.
Duration type sweep settings: start freq, stop freq, total time.

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A12: Minimum: 1 mS dwell time/step.
Maximum: 60 minutes dwell time/step.

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A13: Start-up initialisation time (from power-on to synthesiser lock) is 1.25 seconds.
Command frequency change synthesiser lock time is 35mS.
Sweep frequency change synthesiser lock time is 1mS.

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A14: Lock time is very fast ‹10mS, but the command processing has the longest delay of 35mS.

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A15: The most recent setting is restored when the unit is turned back on.
Many commands have "flag" parameters that may be optionally set. The /n flag prevents the unit from writing the current change to non-volatile memory. This may be useful for applications that quickly change states or require a known power-up-state.

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A16: The three radio buttons in the "Output Power" group box of the GUI control the "output mode" of the unit. The output mode can be either on, off or trigger. The output mode is stored in non-volatile memory each time it is changed. When set to trigger, the output state is controlled by the trigger signal.

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A17: Both models will operate up to +70C, however the output power is reduced to +4dBm at 6GHz. At 3GHz output power of +13dBm can still be achieved for both models.

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A18: Yes, mounting brackets are available and come supplied as a pair. There is a front end and back end bracket that mount to the unit over the end plates using existing end plate screws. These are optional and can be ordered fitted to the unit or supplied separately.

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T: +44 (0)1376 550220 F: +44 (0)1376 552145 E: sales@atlantecrf.com 40A Springwood Drive, Braintree, Essex CM7 2YN, England