ATA5749 ATMEL Corporation, ATA5749 Datasheet - Page 9

• Manufacturer Part Number: ATA5749
• Description: Fractional-n PLL Transmitter IC
• Manufacturer: ATMEL Corporation

Table 4-1.
Table 4-2.
9128C–RKE–10/08
Register
Register
PWR
PWR
10
11
12
13
14
15
10
11
12
13
14
15
3
4
5
6
7
8
9
3
4
5
6
7
8
9
Measured PA Matching at 315 MHz (CLK_ON = “LOW”) at Typ. Samples
Power (dBm)
Measured PA Matching at 433.92 MHz (CLK_ON = “LOW”) at Typ. Samples
Power (dBm)
Desired
Desired
–0.5
10.5
11.5
12.5
–0.5
10.5
11.5
12.5
1.0
2.5
3.5
4.5
5.5
6.5
7.5
8.5
9.5
1.0
2.5
3.5
4.5
5.5
6.5
7.5
8.5
9.5
The used parts at
Inductors: high Q COILCRAFT 0805CS; Capacitors: AVX ACCU-P 0402
(nH)
(nH)
110
100
100
100
L1
82
82
68
68
68
56
47
47
47
L1
68
56
56
47
47
47
43
36
33
36
36
27
27
2.7 + 2.2
Table 4-1
(pF)
(pF)
1.2
1.5
1.5
1.5
1.8
2.2
2.7
2.7
3.3
3.6
4.7
5.6
5.6
0,9
1.2
1.8
1.6
1.8
2.2
2.4
2.7
3.6
4.7
4.7
C1
C1
3
and
Table 4-2 on page 9
(pF)
(pF)
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.6
1.5
1.5
1.5
5.6
5.6
5.6
C2
C2
1
1
1
1
1
1
1
R
R
2950
2800
1940
1550
1250
1000
1850
1450
1150
730
580
460
350
320
250
190
160
950
680
560
450
340
310
230
180
150
( )
( )
LOPT
LOPT
ATA5749 [Preliminary]
are:
110 + 540j
150 + 520j
190 + 520j
220 + 480j
240 + 430j
280 + 360j
290 + 300j
290 + 290j
280 + 225j
250 + 150j
110 + 380j
130 + 370j
150 + 350j
180 + 300j
200 + 270j
210 + 230j
200 + 170j
195 + 150j
175 + 100j
215 + 85j
180 + 50j
160 + 45j
60 + 400j
90 + 390j
150 + 70j
130 + 50j
Z
Z
LOPT
( )
LOPT
( )
Cpar
Cpar
(pF)
(pF)
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
0.9
Actual Power
Actual Power
(dBm)
(dBm)
–0.37
10.52
11.67
–0.62
10.49
1.12
2.11
3.23
4.38
5.42
7.14
8.22
8.63
9.79
2.73
3.03
4.63
6.18
6.66
7.91
8.68
11.6
12.5
1.3
9.8
13
9