RFM31B Datasheet, PDF (20/63 Pages) List of Unclassifed Manufacturers – ISM RECEIVER

RFM31B
Table 11. Frequency Band Selection
fb[4:0] Value
N
0
24
1
25
2
26
3
27
4
28
5
29
6
30
7
31
8
32
9
33
10
34
11
35
12
36
13
37
14
38
15
39
16
40
17
41
18
42
19
43
20
44
21
45
22
46
23
47
Frequency Band
hbsel=0
hbsel=1
240–249.9 MHz
480–499.9 MHz
250–259.9 MHz
500–519.9 MHz
260–269.9 MHz
520–539.9 MHz
270–279.9 MHz
540–559.9 MHz
280–289.9 MHz
560–579.9 MHz
290–299.9 MHz
580–599.9 MHz
300–309.9 MHz
600–619.9 MHz
310–319.9 MHz
620–639.9 MHz
320–329.9 MHz
640–659.9 MHz
330–339.9 MHz
660–679.9 MHz
340–349.9 MHz
680–699.9 MHz
350–359.9 MHz
700–719.9 MHz
360–369.9 MHz
720–739.9 MHz
370–379.9 MHz
740–759.9 MHz
380–389.9 MHz
760–779.9 MHz
390–399.9 MHz
780–799.9 MHz
400–409.9 MHz
800–819.9 MHz
410–419.9 MHz
820–839.9 MHz
420–429.9 MHz
840–859.9 MHz
430–439.9 MHz
860–879.9 MHz
440–449.9 MHz
880–899.9 MHz
450–459.9 MHz
900–919.9 MHz
460–469.9 MHz
920–939.9 MHz
470–479.9 MHz
940–960 MHz
The chip will automatically shift the frequency of the Synthesizer down by 937.5 kHz (30 MHz ÷ 32) to achieve the
correct Intermediate Frequency (IF) when RX mode is entered. Low-side injection is used in the RX Mixing
architecture.
Tel: [phone] Fax: [phone] E-mail: [e-mail] http://www.hoperf.com
20