Texas Instruments CC110 Series User Manual

Design Note DN022
SWRA215E Page 4 of 8
0
20
40
60
80
100
120
-120
-114
-108
-102
-96
-90
-84
-78
-72
-66
-60
-54
-48
-42
-36
-30
-24
-18
-12
Input power level [dBm]
PER [%]
07 00 92
06 00 92
05 00 92
04 00 92
03 00 92
Figure 2. PER versus Input Power Level for Different AGC Register Settings (3.8 kBaud,
100 kHz RX Filter Bandwidth)
3.2 IF Frequency
Register FSCTRL1 sets the IF frequency and the optimum value is different for different RX
filter bandwidths. It is therefore recommended to find the FSCTRL1 setting using one of the
preferred RX filter bandwidth settings in SmartRF
®
Studio (see Figure 3). If the wanted RX
filter bandwidth is not given by one of the preferred settings, choose the FSCTRL1 setting for
the first RX filter bandwidth that is wider than the wanted RX filter bandwidth.
As an example, for a wanted 150 kHz RX filter bandwidth use the FSCTRL1 setting given for
232 kHz RX filter bandwidth.
RX filter bandwidths
used by preferred settings:
58 kHz, 100 kHz, 232 kHz,
325 kHz, 540 kHz, 812 kHz
RX filter bandwidths
used by preferred settings:
58 kHz, 100 kHz, 232 kHz,
325 kHz, 540 kHz, 812 kHz
Figure 3. Available RX Filter Bandwidths Given by the Preferred Settings in SmartRF
®
Studio

Texas Instruments CC110 Series Specifications

General

Brand	Texas Instruments
Model	CC110 Series
Category	Microcontrollers
Language	English