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How many measurements do I need to make and how long is the predistortion data good?
The number of measurements needed depends on the number of parameters that are changed. The calibration (measurement data) could be valid for two days or longer.

FAQ 2012-12-28

How many coefficients should I use for custom FM?
The number of coefficients to use depends on the type of custom FM signal desired. Signal Studio for Pulse Building includes examples where 19 coefficients were used. The software allows as many coefficients as desired. The more coefficients used,...

FAQ 2012-12-28

Why should I use Amplitude Offset?
Use the Amplitude Offset feature to account for any external gain or loss that is greater than 10 dB.

FAQ 2012-12-28

Should the N7620B Signal Studio for Pulse Building software always use the N6030A arbitrary waveform generator built-in predistortion function?
Yes, the N6030A predistortion function works very well and should always be used.

FAQ 2012-12-28

After the 30-day trial license is activated, can I suspend the trial period for future use?
No, the trial license is valid for 30 consecutive days, after which, you will have to purchase a permanent license to continue using the software.

FAQ 2012-12-28

How is the time remaining for a trial license tracked?
You can track the time remaining on the trial license from the front panel of the ESG/PSG by pressing Utility > Instrument Adjustments > Instrument Options > Waveform Licenses.

FAQ 2012-12-28

Can multiple software applications communicate with a single N6030A arbitrary waveform generator at the same time?
Only one software application can communicate with the N6030A at a time.

FAQ 2012-12-28

What system configurations support ALC Hold?
Systems using the Internal Arb, Systems configured with the PSG and Option 016 and systems composed of the synthetic upconverter, N8212A...

FAQ 2012-12-28

Does the N7620 software support the LXI synthetic instruments?
Yes.

FAQ 2012-12-28

Why do I want to mirror the spectrum?
Mirror Spectrum reverses the spectrum of the waveform when it is downloaded. This is useful for systems with external upconversion and downconversion where the signal spectrum is mirrored by the conversion process.

FAQ 2012-12-28

What happens when I turn the N6030A arbitrary waveform generator off?
You will probably need to reboot PC if you are using an MXI to PXI interface. All signal data is lost.

FAQ 2012-12-28

How much time/frequency error is introduced by the Custom Profile or Custom I/Q resampling?
After using the formula to calculate the number of resampled data points, work backwards to determine the error.

FAQ 2012-12-28

What is the best configuration for wideband I/Q modulation?
An E8267D Option 016 or an N8212A Option 016 signal generator with an M8190A arbitrary waveform generator

FAQ 2012-12-28

How do I switch between trigger modes?
Any change between None, Continuous, or Single trigger mode requires only a "play" to update the Arb. Any change to or from the pulse trigger mode requires a "download and play". You must create a different waveform and sequence data for the pulse trigger mode.

FAQ 2012-12-28

What is the performance difference between the N8212A module with Option 016 and the N8241A arbitrary waveform generator synthetic instrument module?
The N8212A with Option 016 is based on the E8267D PSG signal generator with Option 016; the N8241A is based on the N6030A arbitrary waveform generator.

FAQ 2012-12-28

Can I use Signal Studio for pulse building with Windows® 7?
Windows 7 works with N7620B.

FAQ 2012-12-28

How can I get 1 GHz modulation bandwidth below 3.2 GHz?
There is a special option that down converts the wideband signal. It is: E8267D Option H1S PSG with 1 GHz out for use by the Z5623AK92 down converter, 500 MHz – 3.2 GHz.

FAQ 2012-12-28

What is the difference between the User channel correction and the factory channel correction?
See the EXG data sheet or MXG data sheet

FAQ 2012-12-26

Which USB power sensors are supported on the X-Series signal generators?
All Agilent U200xx USB power sensors are supported. in the future, ...

FAQ 2012-12-26

How long is the factory channel correction calibration good?
The factory channel correction lasts the life of the source.

FAQ 2012-12-26

Are there any S1 S2 measurements with power sensors on the X-Series signal generators?
No, however, the “User” channel correction routine in X-Series vector signal generators measures DUT channel response in phase and amplitude with power sensor.

FAQ 2012-12-26

Do temperature changes affect the factory channel correction calibration?
temperature changes, channel correction calibration, factory correction calibration,x-series signal generators

FAQ 2012-12-26

Is the performance of 0.4% EVM for 160 MHz 802.11ac best test result or average performance for N5182B MXG or N5172B EXG X-Series signal generators?
0.4% EVM is characteristic data of a small sample of N5182B MXG signal generators using the PXA and VSA 89601B.

FAQ 2012-12-26

Can running user correction calibration over a narrower range improve calibration?
No, the number of points is always fixed at a 5 MHz interval

FAQ 2012-12-26

For User channel correction calibration, when frequency is tuned out of “user” correction frequency range, is factory correction applied?
Yes, we apply smoothing between cal arrays to ensure no discontinuity.

FAQ 2012-12-26

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