To make it easier to recall a specific Bode setup, the firmware saves the instrument configurations in the data file for the Bode plot.

The process is simple: Configure the scope and generator for your device/circuit to test, run the Bode plot, save the data, and then recall it when you need to re-run that specific setup.

Here are the steps using a SIGLENT SDS1204X-E, but the process is very similar for all of the applicable models:

1. Open the Bode II application by pressing Utility (Analysis on non-XE models):

2. Configure the sweep parameters. For this example, we are going to simply change the end frequency to 200 kHz and the number of points to 200

Press “Set Sweep”:

Here, the default end frequency is 10 kHz and the points are 50:

Let’s change them:

3. Run the setup once. It doesn’t have to complete, but it does have to start:

4. Now, you can save the data and the setup in one CSV file. Here, we save it to an external USB memory device:

5. When you want to recall, insert the USB memory device or recall from the internal memory. Open the Bode II application on the scope, click on Data, press Recall, and select the file of interest :

Make sure that the settings are correct before testing sensitive devices:

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When the AM depth is 0%, the output amplitude is the carrier’s amplitude.

When the AM depth is 100%, the amplitude of the modulated waveform will be 2x the setpoint.

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Check the datasheet for the product in question to find more information.

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SCDP

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SCDP

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You can manually delete them using the Store/Recall button on the front panel.

To delete them remotely you can send the following SCPI command:

DEL_STORE_FILE filename.bin

Where filename.bin is the filename you wish to remove.

Here is an example where the file Test1.bin is deleted using National Instruments Measurement and Automation Explorer (MAX) software and an SDG6 connected via USB to the controlling computer:

First, manually verify the file name by pressing Store/Recall and select Local (C:):

NOTE: You can fine waveform files (with file extension *.bin) by sending the command “STL? USER” or checking manually.

Now, send the command:

Press Store/Recall to refresh the display and note that the file has been removed:

The post How to delete files from the internal memory for SDG6000X arbitrary function generators appeared first on Siglent.

Phase noise is the random fluctuations of the phase of a signal in the frequency domain. Jitter is a similar measurement in the time domain. They are both caused by the random thermal fluctuations of the oscillator used as a timing reference in measurement instruments, signal sources, and other circuits that rely on oscillators or repetitive signals for timing and clocking functions.

These fluctuations cause the phase of the output clock signal to vary with time, very similar to jitter in a time-based system. This causes a widening of the signal when viewed in the frequency domain (see Figure 1 below). This can cover up any small signals that may be near the frequency of interest when measuring or can mask or cover required signals if the source phase noise is too high. For meaningful measurements or sources, select an instrument with lower phase noise than the signal source or measurement instrument that you are testing.

FIGURE 1

Below are some typical phase noise measurements of the SIGLENT SDG6000X Series of Arbitrary Waveform Generators.

Typical SDG6000X Function Generator Phase Noise @ 10 MHz carrier:

Typical SDG6000X Function Generator Phase Noise @ 100 MHz carrier:

Typical SDG6000X Function Generator Phase Noise @ 200 MHz carrier:

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Many instruments support communication via sockets (port 5025) and telnet (port 5024) but the port numbers cannot be changed.

If you use VISA, you can implement LAN via TCP/IP, which does not need a port number.

Here is a listing of current SIGLENT instruments with Socket and Telnet Support.

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