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Chapter 1 11

Getting Started

Option 215 Limitations

Getting Started

Now we can work out the external source’s start frequency using the

following equation:

Finally we can calculate the external source’s stop frequency using the

following equation:

So if you specify on your PSA Series analyzer that you want to sweep

from 2.85 GHz to 3.0 GHz using 601 points, the signal source itself will

actually sweep from 2.84975 GHz to 3.00025 GHz.

Bucket Width (in Hz)

PSA Frequency Span (Hz)

PSA number of Sweep Points 1–

--------------------------------------------------------------------------------=

Bucket Width (in Hz)

150,000,000

601 1–

------------------------------ 250,000 Hz==

PSA Start Frequency Sweep Offset Bucket Width–+

Harmonic Number

---------------------------------------------------------------------------------------------------------------------------------

2,850,000,000 0.00 250,000–+

----------------------------------------------------------------------------=

2,849,750,000 2.84975 GHz==

PSA Stop Frequency Sweep Offset Bucket Width++

Harmonic Number

---------------------------------------------------------------------------------------------------------------------------------

3,000,000,000 0.00 250,000++

-----------------------------------------------------------------------------=

3,000,250,000 3.00025 GHz==

Agilent Technologies PSA Series User Guide

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