U3550BM Datasheet, PDF (21/25 Pages) TEMIC Semiconductors – Low-Power FM Transmitter / Synthesizer System 26 to 50 MHz

U3550BM
Taiwan CT0 Base Set
Country setting:
Name RA1[1:0] RA2[1:0]
Value
10
00
Setting mid
max
D1B[1:0]
01
8
D2B0
1
8
D3B[1:0]
00
1
KV2[3:1]
110
GMOD[1:0]
01
low
IMIXI
1
infra
UDM1
0
supra
FRMT
1
higher
Channel frequencies and 1st LO divider, f_Ref3 = 6.25 kHz
Channel Number
RX Channel Frequency (MHz)
1
48.2500
2
48.2750
3
48.3000
4
48.3250
5
48.3500
6
48.3750
7
48.4000
8
48.4250
9
48.4500
10
48.4750
1st LO Frequency (MHz)
37.5500
37.5750
37.6000
37.6250
37.6500
37.6750
37.7000
37.7250
37.7500
37.7750
N
6008
6012
6016
6020
6024
6028
6032
6036
6040
6044
Taiwan CT0 Handset
Country setting:
Name RA1[1:0] RA2[1:0]
Value
10
00
Setting mid
max
D1B[1:0]
01
8
D2B0
1
8
D3B[1:0]
00
1
KV2[3:1]
110
GMOD[1:0]
00
low
IMIXI
0
supra
UDM1
1
supra
FRMT
1
high
Channel frequencies and 1st LO divider, f_Ref3 = 6.25 kHz
Channel Number
RX Channel Frequency (MHz)
1
45.2500
2
45.2750
3
45.3000
4
45.3250
5
45.3500
6
45.3750
7
45.4000
8
45.4250
9
45.4500
10
45.4750
1st LO Frequency (MHz)
55.9500
55.9750
56.0000
56.0250
56.0500
56.0750
56.1000
56.1250
56.1500
56.1750
N
8952
8956
8960
8964
8968
8972
8976
8980
8984
8988
Taiwan CT0 Modulation Loop Frequency and Divider
f_mod = 7.70 MHz, P = 13, Q = 181
Rev. A2, 10-Sep-98
Preliminary Information
21 (25)