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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. |
 | | 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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Kirt
