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U3550BM Datasheet, PDF (14/25 Pages) TEMIC Semiconductors – Low-Power FM Transmitter / Synthesizer System 26 to 50 MHz
U3550BM
France CT0 Base Set
Country setting:
Name
Value
Setting
RA1[1:0]
00
max
RA2[1:0]
11
min
D1B[1:0]
11
4
D2B0
1
8
D3B[1:0]
01
2
KV2[3:1]
100
GMOD[1:0]
01
mid
IMIXI
0
supra
UDM1
0
infra
FRMT
0
low
Channel frequencies and 1st LO divider, fRef3 = 6.25 kHz
Channel Number
RX Channel Frequency (MHz)
1
41.3125
2
41.3250
3
41.3375
4
41.3500
5
41.3625
6
41.3750
7
41.3875
8
41.4000
9
41.4125
10
41.4250
11
41.4375
12
41.4500
13
41.4625
14
41.4750
15
41.4875
1st LO Frequency (MHz)
30.6125
30.6250
30.6375
30.6500
30.6625
30.6750
30.6875
30.7000
30.7125
30.7250
30.7375
30.7500
30.7625
30.7750
30.7875
N
4898
4900
4902
4904
4906
4908
4910
4912
4914
4916
4918
4920
4922
4924
4926
France CT0 Handset
Country setting:
Name
Value
Setting
RA1[1:0]
00
max
RA2[1:0]
01
high
D1B[1:0]
11
4
D2B0
1
8
D3B[1:0]
01
2
KV2[3:1]
101
GMOD[1:0]
01
mid
IMIXI
1
infra
UDM1
1
supra
FRMT
0
low
Channel frequencies and 1st LO divider, fRef3 = 6.25 kHz
Channel Number
RX Channel Frequency (MHz)
1
26.3125
2
26.3250
3
26.3375
4
26.3500
5
26.3625
6
26.3750
7
26.3875
8
26.4000
9
26.4125
10
26.4250
11
26.4375
12
26.4500
13
26.4625
14
26.4750
15
26.4875
1st LO Frequency (MHz)
37.0125
37.0250
37.0375
37.0500
37.0625
37.0750
37.0875
37.1000
37.1125
37.1250
37.1375
37.1500
37.1625
37.1750
37.1875
N
5922
5924
5926
5928
5930
5932
5934
5936
5938
5940
5942
5944
5946
5948
5950
14 (25)
Preliminary Information
Rev. A2, 10-Sep-98