12–83 Chip RC Networks Integrated circuit (chip) RC networks are used at parallel data ports to suppress radio frequency noise. In a certain application, RF noise at 3:2 MHz is interfering with a 4-bit parallel data signal operating at 1:1 MHz. A chip RC network is to be used to reduce the RF noise on the parallel bus by at least 7 dB without reducing the data signals by more than 2 dB. A vendor offers a family of chip RC networks connected as shown in Figure P12–83. The available circuit parameters are shown in Table P12–83. Select the part number that best meets the noise suppression requirements.

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R b w b0 R w b30 R www b40- R w FIGURE P12-83