T2801 Просмотр технического описания (PDF) - Atmel Corporation
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T2801 Datasheet PDF : 31 Pages
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Table 3-1 shows the LO frequencies for RX and TX for the DECT band plus additional channels for the extended DECT
band. Intermediate frequencies of 110.592 MHz and 112.32 MHz are supported.
Table 3-1. LO Frequencies
Mode
TX
fIF/MHz
Channel
C9
TX
C8
TX
...
TX
C1
TX
C0
TX
C10
TX
C11
TX
...
TX
C29
TX
C30
RX
110.592
C9
RX
110.592
C8
RX
110.592
...
RX
110.592
C1
RX
110.592
C0
RX
110.592
C10
RX
110.592
C11
RX
110.592
...
RX
110.592
C29
RX
110.592
C30
RX
112.320
C9
RX
112.320
C8
RX
112.320
...
RX
112.320
C1
RX
112.320
C0
RX
112.320
C10
RX
112.320
C11
RX
112.320
...
RX
112.320
C29
RX
112.320
C30
Formula:
TX: fANT = fVCO = 1.728 MHz x (32 x SMC + SSC)
RX: fANT = 1.728 MHz x (32 x SMC + SSC) + fIF
fANT/MHz
1881.792
1883.520
...
1895.616
1897.344
1899.072
1900.800
...
1931.904
1933.632
1881.792
1883.520
...
1895.616
1897.344
1899.072
1900.800
...
1931.904
1933.632
1881.792
1883.520
...
1895.616
1897.344
1899.072
1900.800
...
1931.904
1933.632
fVCO/MHz
1881.792
1883.520
...
1895.616
1897.344
1899.072
1900.800
...
1931.904
1933.632
1771.200
1772.928
...
1785.024
1786.752
1788.480
1790.208
...
1821.312
1823.040
1769.472
1771.200
...
1783.296
1785.024
1786.752
1788.480
...
1819.584
1821.312
SMC
SSC
34
1
34
2
...
...
34
9
34
10
34
11
34
12
...
...
34
30
34
31
32
1
32
2
...
...
32
9
32
10
32
11
32
12
...
...
32
30
32
31
32
0
32
1
...
...
32
8
32
9
32
10
32
11
...
...
32
29
32
30
16 T2801
4567B–DECT–03/06
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