IMDView Setup and Configuration Menus

IMDVIEW SETUP Menu – Swept Frequency Mode

Prerequisites

• Option 44 installed on the VNA, and APPLICATION Menu Transmission/Reflection mode activated.

Navigation

• MAIN | Application | APPLICATION | IMDView Setup | IMDVIEW SETUP

IMDView Setup Menu – Swept Frequency Mode
	IMDView ON/OFF Toggles the IMDView application on or off. IMD Mode Opens the IMD MODE SELECT menu. Screen shot to the left shows the menu when Swept Frequency mode is selected from CURRENT MODE menu (see Figure: CURRENT MODE Menu). IMDView Configuration Opens the IMDView CONFIGURATION dialog box. Center Frequency Start Sets the center frequency (fc) start. Center Frequency Stop Sets the center frequency (fc) stop. Tone Delta The spacing between the main tones. In other literature, it is sometimes called ‘offset’ or ‘tone spacing’. Tone 1 Power IMD measurement Tone 1 power level. Tone 2 Power IMD measurement Tone 2 power level.

IMDVIEW SETUP Menu – SpectrumView Mode

IMDView Setup Menu – SpectrumView Mode
	IMDView ON/OFF Toggles the IMDView Application on or off. IMD Mode Opens the IMD Mode Select menu. Screen shot to the left shows the menu when SpectrumView mode is selected from CURRENT MODE menu (see Figure: CURRENT MODE Menu). IMDView Configuration Opens the IMDVIEW CONFIGURATION dialog box. Center Frequency fc (Center frequency): In the IMD mode, it refers to the frequency half-way between the two main tones. Tone Delta The spacing between the main tones. In other literature, it is sometimes called ‘offset’ or ‘tone spacing’. Tone 1 Power IMD measurement Tone 1 power level. Tone 2 Power IMD measurement Tone 2 power level.

IMD MODE Menu (Sweep Modes)

Prerequisites

• Option 44 installed on the VNA, and APPLICATION menu Transmission/Reflection mode activated

Navigation

CURRENT MODE Menu
	Swept Frequency Swept frequency IMD mode causes the center frequency fc to sweep over the indicated range meaning the two tones from the sources are also sweeping. At each frequency ‘point’, the sources are stationary and the receiver will scan the tones and products as desired. SpectrumView In SpectrumView measurement mode the main tones are fixed and the receiver sweeps over some specified range to look at a maximum product order. There are two different SpectrumView sweep modes: Linear and Segmented.

IMDView CONFIGURATION Dialog Box

Prerequisites

• Option 32 and Option 44 installed on the VNA, and APPLICATION menu Transmission/Reflection mode activated.

Navigation

Figure: IMDView Configuration Dialog – Swept Frequency Sweep (Linear) illustrates the Swept Frequency IMD Mode dialog when Freq Sweep (Linear) is selected as the sweep type. Selecting the Response Configuration button opens Response Configuration dialog box shown in Figure: Response Configuration Dialog.

IMDView Configuration Dialog – Swept Frequency Sweep (Linear)

Response Configuration Dialog

Variables for IMD measurement types shown above are described in Table: IMD Measurement Variables.

IMD Measurement Variables
Measurement	Valid Orders	Valid IM Side	Reference Plane Has Effect?	Reference Tone Has Effect?
Tone Power	All	All	Yes	No
IMD Relative to Carrier	All (Except order 1 will be trivial or an asymmetry measurement)	All	No	Yes
Intercept Point	All except 1	All	Yes	Yes
Tone Gain	Only 1	Only lower frequency	No	No
Asymmetry	All	All except average	No	No

Figure: IMDView Configuration Dialog – SpectrumView Frequency Sweep (Linear) illustrates the Spectrum View IMD Mode dialog when Freq Sweep (Linear) is selected as the sweep type.

IMDView Configuration Dialog – SpectrumView Frequency Sweep (Linear)

Figure: IMDView Configuration Dialog – Dual Source with Ports 1 & 3 as Two Tones illustrates the settings for a 4-port VNA with Dual source (opt. 31) – port 1 and port 3 as two tones.

IMDView Configuration Dialog – Dual Source with Ports 1 & 3 as Two Tones

Figure: IMDView Configuration Dialog – Dual Source with Ports 2 & 4 as Two Tones illustrates the settings for a 4-port VNA with Dual source (opt. 31) – port 2 and port 4 as two tones.

IMDView Configuration Dialog – Dual Source with Ports 2 & 4 as Two Tones

Dialog Box Tone Selections vs VNA Configuration

Figure: IMDView Tone Selections vs. VNA Configuration – 2-port (1 of 3) lists available tone selections from the Tone 1 and Tone 2 dropdown menus in the IMDVIEW CONFIGURATION dialog, based on a 2-port VNA configuration.

IMDView Tone Selections vs. VNA Configuration – 2-port (1 of 3)
Standard Mode – Single Source VectorStar (no Option 31): Int Src->Port 1 Int Src->Port 2 Ext Source 1 Ext Source 2 Ext Source 3 Ext Source 4
Standard Mode – Dual Source VectorStar (with Option 31): Src 1->Port 1 Src 2->Port 1 (Opt 32 installed) Src 2->Port 2 Ext Source 1 Ext Source 2 Ext Source 3 Ext Source 4
Broadband Mode – Single Source VectorStar (no Option 31) ≤ 54 GHz: Int Src->Mod 1 Int Src->Mod 2 Ext Synth 1 Ext Synth 2 Ext Synth 3 Ext Synth 4
Broadband Mode – Dual Source VectorStar (with Option 31) ≤ 54 GHz: Src 1->Mod 1 Src 2->Mod 1 Src 2->Mod 2 Ext Synth 1 Ext Synth 2 Ext Synth 3 Ext Synth 4
Broadband Mode – Single Source VectorStar (no Option 31) >54 GHz: Int Src->Mod 1 Int Src->Mod 2 Ext Synth 1 -> Aux Mod Ext Synth 2 -> Aux Mod Ext Synth 3 -> Aux Mod Ext Synth 4 -> Aux Mod
Broadband Mode – Dual Source VectorStar (with Option 31) >54 GHz: Src 1->Aux Mod Src 2->Mod 1 (Opt 32 installed) Src 2->Mod 2 Ext Synth 1 -> Aux Mod Ext Synth 2 -> Aux Mod Ext Synth 3 -> Aux Mod Ext Synth 4 -> Aux Mod

Figure: IMDView Tone Selections vs. VNA Configuration – 4-port (1 of 3) lists available tone selections from the Tone 1 and Tone 2 dropdown menus in the IMDVIEW CONFIGURATION dialog, based on a 4-port VNA configuration.

IMDView Tone Selections vs. VNA Configuration – 4-port (1 of 3)
Standard Mode – Single Source VectorStar (no Option 31): Int Src->Port 1 Int Src->Port 2 Int Src->Port 3 Int Src->Port 4 Ext Source 1 Ext Source 2 Ext Source 3 Ext Source 4
Standard Mode – Dual Source VectorStar (with Option 31): Src 1->Port 1 Src 1->Port 2 Src 2->Port 3 Src 2->Port 4 Ext Source 1 Ext Source 2 Ext Source 3 Ext Source 4
Broadband Mode – Single Source VectorStar (no Option 31) ≤ 54 GHz: Int Src->Mod 1 Int Src->Mod 2 Int Src->Mod 3 Int Src->Mod 4 Ext Source 1 Ext Source 2 Ext Source 3 Ext Source 4
Broadband Mode – Dual Source VectorStar (with Option 31) ≤ 54 GHz: Src 1->Mod 1 Src 1->Mod 2 Src 2->Mod 3 Src 2->Mod 4 Ext Source 1 Ext Source 2 Ext Source 3 Ext Source 4
Broadband Mode – Single Source VectorStar (no Option 31) >54 GHz: Int Src->Mod 1 Int Src->Mod 2 Int Src->Mod 3 Int Src->Mod 4 ExtSrc1 -> AuxMod1 ExtSrc1 -> AuxMod2 ExtSrc2 -> AuxMod1 ExtSrc2 -> AuxMod2 ExtSrc3 -> AuxMod1 ExtSrc3 -> AuxMod2 ExtSrc4 -> AuxMod1 ExtSrc4 -> AuxMod2
Broadband Mode – Dual Source VectorStar (with Option 31) >54 GHz: Src 1->Mod 1 Src 1->Mod 2 Src 2->Mod 1 Src 2->Mod 2 Src 3->Mod 1 Src 3->Mod 2 Src 4->Mod 1 Src 4->Mod 2 ExtSrc1 -> AuxMod1 ExtSrc1 -> AuxMod2 ExtSrc2 -> AuxMod1 ExtSrc2 -> AuxMod2 ExtSrc3 -> AuxMod1 ExtSrc3 -> AuxMod2 ExtSrc4 -> AuxMod1 ExtSrc4 -> AuxMod2


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