4432-T-B1 B 470 Silicon Laboratories Inc, 4432-T-B1 B 470 Datasheet - Page 49
4432-T-B1 B 470
Manufacturer Part Number
4432-T-B1 B 470
Description
RF Modules & Development Tools Tx/Rx Split 4432 TRx Testcard
Manufacturer
Silicon Laboratories Inc
Datasheet
1.4432-T-B1_B_470.pdf
(74 pages)
Specifications of 4432-T-B1 B 470
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Si4430/31/32-B1
7. RX Modem Configuration
A Microsoft Excel parameter calculator or Wireless Development Suite (WDS) calculator is provided to determine
the proper settings for the modem. The calculator can be found on www.silabs.com or on the CD provided with the
demo kits. An application note is available to describe how to use the calculator and to provide advanced
descriptions of the modem settings and calculations.
7.1. Modem Settings for FSK and GFSK
The modem performs channel selection and demodulation in the digital domain. The channel filter bandwidth is
configurable from 2.6 to 620 kHz. The receiver data-rate, modulation index, and bandwidth are set via registers
1C–25h. The modulation index is equal to 2 times the peak deviation divided by the data rate (Rb).
When Manchester coding is disabled, the required channel filter bandwidth is calculated as BW = 2Fd + Rb where
Fd is the frequency deviation and Rb is the data rate.
Rev 1.1
49
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