Preliminary Technical Data
UG-1828
Rev. PrC | Page 87 of 338
Standard
Serialization Factor Per Data Lane
Data Lane Rate
FM Direct Modulation
16
1.54E + 06
TETRA
32
4.61E + 06
8
1.15E + 06
16
2.30E + 06
TETRA
32
9.22E + 06
8
2.30E + 06
16
4.61E + 06
LTE 1.5
32
6.14E + 07
8
1.54E + 07
16
3.07E + 07
LTE 3
8
3.07E + 07
16
6.14E + 07
LTE 5
8
6.14E + 07
16
1.23E + 08
LTE 10
16
2.46E + 08
LTE 15
16
3.69E + 08
LTE 20
16
4.92E + 08
LTE 40 @12 bits
12
7.37E +08
Arbitrary Sample Rate
With a programmable frequency range of both HP CLK PLL and LP CLK PLL as mentioned previously, ADRV9001 supports arbitrary
sample rate (ASR) mode, which provides user a great flexibility to configure the desired sample rates in their applications. ASR mode
supports an almost continuous range of rates up to 61.44 MHz with a list of dead zones mainly due to the limitations in
decimation/interpolation rate supported in the data path. The following table summarizes the current dead zone frequency ranges:
Table 32. Dead Zone Frequency Ranges
Dead Zone (CLK PLL Limitation)
Lower Bound (MHz)
Upper Bound
1
50
160/3
2
100/3
40
3
25
80/3
4
50/3
20
5
12.5
40/3
6
25/3
10
7
6.25
20/3
8
25/6
5
9
3.125
10/3
10
25/12
2.5
11
1.5625
5/3
12
25/24
10/9
13
0.7812500
5/6
14
0
1/48
Note that there are a total of 14 different dead zones. For each one, the sample rates user cannot configure are between the lower bound
and upper bound with lower bound frequency and upper bound frequency excluded, which means dead zone = (lower bound, upper
bound).
When sample rate is greater than 160/3 MHz, HP CLK PLL should always be used. Due to the complexity of data path, users do not have
the freedom to select their own CLK PLL clock frequencies and datapath configurations. Users should only provide their desired sample
rate and the API will determine the appropriate ADRV9001 profile.
