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About RF Cafe

Software: RF Cascade Workbook | RF Symbols for Office | RF Symbols & Stencils for Visio | Espresso Workbook
Werbel Microwave power dividers, couplers - RF Cafe Website

RF Cascade Workbook™ vL - Calculation Verifications

RF Cascade Workbook vL Verification Screen Capture (Cascaded Gain) - RF Cafe Website

Cascaded Gain

RF Cascade Workbook vL Verification Screen Capture (Cascaded Noise Figure) - RF Cafe Website

Cascaded Noise Figure

Every time a change is made to RF Cascade Workbook that involves the entire cascade of components, a thorough checkout of the entire chain of calculations and graphical presentations needs to be performed in order to avoid having an error slip in. It is very easy for a single cell to not receive the proper formula when doing a copy and paste of a full row or column of cells. You might think not, but when you are dealing with thousands of cells in a workbook, the probability is non-zero.

A different set of values is used for version L (vL). However, the values used in version J (vJ) were also plugged in and they all matched the vL results. You can see the vJ verification page here.

I ship RF Cascade Workbook with the VBA code password-protected in order to preserve the confidentiality of the custom code I have written to perform automated tasks not often (or never otherwise) seen in an Excel spreadsheet. That caused one user to remark that doing so implies that I expect him to "just trust you [me]" that everything is correct. To some extent that is true, but my motivation is to protect my intellectual property (IP), not to require anyone to trust me. In fact, I have always cautioned users to do their own validations prior to using my results for critical application.

These screen shots are of examples where component parameters for all 24 stages were designed to make the expected results as obvious as possible.

RF Cascade Workbook vL Verification Screen Capture (Cascaded Noise Power) - RF Cafe Website

Cascaded Noise Power

RF Cascade Workbook vL Verification Screen Capture (Cascaded 1 dB Compression Point (P1dB)) - RF Cafe Website

Cascaded 1 dB Compression Point (P1dB)

RF Cascade Workbook vL Verification Screen Capture (Cascaded Signal Power) - RF Cafe Website

Cascaded Signal Power

RF Cascade Workbook vL Verification Screen Capture (Cascaded Frequency Response) - RF Cafe Website

Cascaded Frequency Response

RF Cascade Workbook vL Verification Screen Capture (Cascaded Power Supplies & Bill of Material) - RF Cafe Website

Cascaded Power Supplies & Bill of Material

RF Cascade Workbook vL Verification Screen Capture (Cascaded 2nd-Order Intercept Point (OIP2)) - RF Cafe Website

Cascaded Output 2nd-Order Intercept Point (OIP2)

RF Cascade Workbook vL Verification Screen Capture (Cascaded Output 3rd-Order Intercept Point (OIP3)) - RF Cafe Website

Cascaded Output 3rd-Order Intercept Point (OIP3)

RF Cascade Workbook vL Verification Screen Capture (Cascaded VSWR Amplitude Ripple) - RF Cafe Website

Cascaded VSWR Amplitude Ripple

RF Cascade Workbook vL Verification Screen Capture (Cascaded User Formulas 1) - RF Cafe Website

Cascaded User Formulas 1

RF Cascade Workbook vL Verification Screen Capture (Cascaded User Formulas 2) - RF Cafe Website

Cascaded User Formulas 2

Windfreak Technologies SynthHD PRO - RF Cafe Website
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Please Support RF Cafe by purchasing my ridiculously low-priced products, all of which I created.

RF Cascade Workbook for Excel

RF & Electronics Symbols for Visio

RF & Electronics Symbols for Office

RF & Electronics Stencils for Visio

RF Workbench

These Are Available for Free

Espresso Engineering Workbook™

Smith Chart™ for Excel