User Manual

MAX11008
Dual RF LDMOS Bias Controller with
Nonvolatile Memory
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TxHIST[3:0] FUNCTION
0000 1 LSB (1/8 of a degree). I.e., no hysteresis
0001 2 LSBs (1/4 of a degree)
0010 3 LSBs (3/8 of a degree)
0011 4 LSBs (1/2 of a degree)
0100 5 LSBs (5/8 of a degree)
0101 6 LSBs (3/4 of a degree)
0110 7 LSBs (7/8 of a degree)
0111 8 LSBs (1 degree)
1000 9 LSBs (1 1/8 of a degree)
1001 10 LSBs (1 1/4 of a degree)
1010 11 LSBs (1 3/8 of a degree)
1011 12 LSBs (1 1/2 of a degree)
1100 13 LSBs (1 5/8 of a degree)
1101 14 LSBs (1 3/4 of a degree)
1110 15 LSBs (1 7/8 of a degree)
1111 16 LSBs (2 degrees)
Table 16c. Temperature Hysteresis Limit
Register Bits
A_LIMIT[2:0] FUNCTION
000 No limiting is applied
001 D i ffer ence i s l i m i ted to 1 LS B ( 1/8 of a d eg r ee)
010 D i ffer ence i s l i m i ted to 3 LS Bs ( 3/8 of a d eg r ee)
011 D i ffer ence i s l i m i ted to 7 LS Bs ( 7/8 of a d eg r ee)
100 D i ffer ence i s l i m i ted to 15 LS Bs ( 1 7/8 d eg r ees)
101 D i ffer ence i s l i m i ted to 31 LS Bs ( 3 7/8 d eg r ees)
110 D i ffer ence i s l i m i ted to 63 LS Bs ( 7 7/8 d eg r ees)
111
Difference is limited to 127 LSBs (15 7/8
degrees)
Table 16d. APC Difference Limiter for
Averaging
AxHIST[3:0] FUNCTION
0000 1 LSB. I.e., no hysteresis
0001 2 LSBs
0010 3 LSBs
0011 4 LSBs
0100 5 LSBs
0101 6 LSBs
0110 7 LSBs
0111 8 LSBs
1000 9 LSBs
1001 10 LSBs
1010 11 LSBs
1011 12 LSBs
1100 13 LSBs
1101 14 LSBs
1110 15 LSBs
1111 16 LSBs
Table 16e. APC Hysteresis Limit
Register Bits