Sundance SMT349 - Manual (Page 25)

Version 2.1 Page 25 of 32 SMT349 User Manual
12.4.5 IF/RF Synthesizer Register 1 – 0x4.
For more details, refer to Si4136 datasheet.
IF/RF Synthesizer Register 1 – 0x04
Byte Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
1 Reserved
Default ‘00000000’
0 Reserved Kpl Kp2 Kp1
Default ‘00’ ‘00’ ‘00’ ‘00’
IF/RF Synthesizer Register 1 – 0x04
Setting Bit 1&0 Description – Kp1 (RF1 Phase Detector Gain Constant)
0 ‘00’ N Value < 4096.
1 ‘01’ N Value between 4096 and 8191.
2 ‘10’ N Value between 8192 and 16383.
3 ‘11’ N Value > 16383.
IF/RF Synthesizer Register 1 – 0x04
Setting Bit 3&2 Description – Kp2 (RF2 Phase Detector Gain Constant)
0 ‘00’ N Value < 2048.
1 ‘01’ N Value between 2048 and 4095.
2 ‘10’ N Value between 4096 and 8191.
3 ‘11’ N Value > 8191.
IF/RF Synthesizer Register 1 – 0x04
Setting Bit 5&4 Description – Kpl (IF Phase Detector Gain Constant)
0 ‘00’ N Value < 2048.
1 ‘01’ N Value between 2048 and 4095.
2 ‘10’ N Value between 4096 and 8191.
3 ‘11’ N Value > 8191.