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RF Cascade Workbook 2004 User’s Guide© - Chapter 4

Chapter 1, 2, 3, 4, 5,
             6, 7, 8, 9, 10
Version 1.01
by Kirt Blattenberger
RF Cafe Website
(www.rfcafe.com)
Chapter 4









4    System Specification
System parameter specifications are located to the left of the chart area as shown in Figure 5. A brief explanation of each parameter is given in Table 1. All cell input data is validated for correctness.

RF Cafe -
Figure 5    System Specification Input Area
Parameter Description Validation Range Units
Temp System reference temperature – used for noise power calculations.  (-273.15 is absolute zero) -273.14 to +1000 °C
Min SNR Minimum system SNR used to calculate the dynamic range (SDR) -100 to +100 dB
Use VSWR Determines whether the interface VSWR mismatch errors are included in the cascaded Gain equation, which in turn affects every other equation in the system. “y” or “Y” to include
“n” or “N” to exclude
-
Freq. Units Select frequency units for use in noise and BW calculations. Any upper or lower case form of ‘kHz,” “MHz,” or “GHz” -
P[input] Signal power level at system input -1000 to +1000 dBm
Table 2    Device Input Parameters
Chapter 1, 2, 3, 4, 5,
             6, 7, 8, 9, 10
Version 1.01
by Kirt Blattenberger
RF Cafe Website
(www.rfcafe.com)
Chapter 4

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