U3550BM Datasheet, PDF (15/25 Pages) TEMIC Semiconductors – Low-Power FM Transmitter / Synthesizer System 26 to 50 MHz

U3550BM
France CT0 Modulation Loop Frequency and Divider
f_mod = 4.3 MHz, P = 7, Q = 159
Spain CT0 Base Set
Country setting:
Name RA1[1:0] RA2[1:0]
Value
10
10
Setting mid
low
D1B[1:0]
00
2
D2B0
1
8
D3B[1:0]
11
4
KV2[3:1]
100
GMOD[1:0]
10
high
IMIXI
1
infra
UDM1
0
infra
FRMT
0
low
Channel frequencies and 1st LO divider, f_Ref3 = 6.25 kHz
Channel Number
RX Channel Frequency (MHz)
1
39.925
2
39.950
3
39.975
4
40.000
5
40.025
6
40.050
7
40.075
8
40.100
9
40.150
10
40.175
11
40.200
12
40.225
1st LO Frequency (MHz)
29.225
29.250
29.275
29.300
29.325
29.350
29.375
29.400
29.450
29.475
29.500
29.525
N
4676
4680
4684
4688
4692
4696
4700
4704
4712
4716
4720
4724
Spain CT0 Handset
Country setting:
Name RA1[1:0] RA2[1:0]
Value
10
01
Setting mid
high
D1B[1:0]
00
2
D2B0
1
8
D3B[1:0]
11
4
KV2[3:1]
100
GMOD[1:0]
10
high
IMIXI
0
supra
UDM1
1
supra
FRMT
0
low
Channel frequencies and 1st LO divider, f_Ref3 = 6.25 kHz
Channel Number
RX Channel Frequency (MHz)
1
31.025
2
31.050
3
31.075
4
31.100
5
31.125
6
31.150
7
31.175
8
31.200
9
31.250
10
31.275
11
31.300
12
31.325
1st LO Frequency (MHz)
41.725
41.750
41.775
41.800
41.825
41.850
41.875
41.900
41.950
41.975
42.000
42.025
N
6676
6680
6684
6688
6692
6696
6700
6704
6712
6716
6720
6724
Spain CT0 Modulation Loop Frequency and Divider
f_mod = 1.8 MHz, P = 3, Q = 51
Rev. A2, 10-Sep-98
Preliminary Information
15 (25)