hsp50210 Intersil Corporation, hsp50210 Datasheet - Page 21

• Manufacturer Part Number: hsp50210
• Description: Digital Costas Loop
• Manufacturer: Intersil Corporation

NOTE:
5. SW
WEIGHT
BIT
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
min
= 2
-29
(12)
(11)
(10)
(9)
(8)
7.
at 1% FLB, 4M
6
5
4
3
2
1
0
e
Shift 27 and Gain = 01.1111
TABLE 10. BIT WEIGHTING IN THE CARRIER LOOP FILTER TO THE NCO - SWEEP
MANTISSA GAIN
3-21
clk
SWEEP
, 0.075Hz/Baud = 12Kbps.
1.
0
x
x
x
x
z
z
z
z
z
z
z
SHIFT = 0
4.
5
3
2
1
0
SHIFT = 32
HSP50210
(8)
7.
6
5
4
3
2
1
0
SHIFT COUNTS
- shift28
- shift27
- shift26
- shift25
- shift24
- shift23
- shift22
- shift21
- shift20
- shift19
- shift18
- shift17
- shift16
- shift15
- shift14
- shift13
- shift12
- shift11
- shift10
- shift9
- shift8
- shift7
- shift6
- shift5
- shift4
- shift3
- shift2
- shift1
- shift0
NCO BIT WEIGHT
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
0
1
2
3
4
5
6
7
8
9
RESOLUTION
FREQUENCY
f
f
f
f
f
f
f
OUTPUT
CLK
CLK
CLK
CLK
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
f
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
CLK
f
f
f
CLK
CLK
CLK
CLK
CLK
CLK
f
CLK
/1024
/2048
/4096
/8192
/128
/256
/512
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/2
/16
/32
/64
/2
/4
/8
14
15
16
17
18
19
10
21
22
23
24
25
26
27
28
29
30
31
32
34
34
35
36
37
38
39
40