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PDF W55RFS27R1B Data sheet ( Hoja de datos )
| Número de pieza | W55RFS27R1B | |
| Descripción | Super-Regeneration RF Receiver | |
| Fabricantes | nuvoton | |
| Logotipo |  |
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W55RFS27R1B DataSheet
Super-Regeneration RF Receiver
W55RFS27R1B
Data Sheet
1
Revision: A3.0
Publish Date: Feb. 2010
1 page  
W55RFS27R1B DataSheet
1.2.2 Mode selection
(MODE1,MODE0)
(0,0)
(0,1)
(1,0)
(1,1)
Function Description
Disable Smart-DetectorWB Function
uC-mode,
Smart-DetectorWB Function is external
controlled
Enable half of Smart-DetectorWB function
OAGC OFF , HOPPING ON
Enable Smart-DetectorWB function
OAGC ON, HOPPING ON
Note
Function evaluation only
Baseband decoder is disabled in
this mode
Function evaluation only
Suitable for mass-production
5
Revision: A3.0
Publish Date: Feb. 2010
5 Page 
W55RFS27R1B DataSheet
Design Information
4.1 W55RFS27R1B Reference Design
4.1.1 W55RFS27R1B Application Circuit
R2(1%)
V DD
R3 16 K(1%)
C7 +
10 u
C4
10 0nF
A NT 1
U1
C1
W5 5RFS 27R1B
JP2
1
2
3
4
5
6
Output
V DDA
+
C6 C5
47 n 10 u
L0
C2 C3
V DD
JP3
1
2
3
MODE 0S EL
V DD
JP4
1
2
3
MODE 1S EL
27MHz: C1=15pF,
35MHz: C1=10pF,
40MHz: C1= 7pF,
49MHz: C1= 4pF,
C2=27pF,
C2=24pF,
C2=16pF,
C2=16pF,
C3=27pF,
C3=24pF,
C3=18pF,
C3=18pF,
L0=1.5uH,
L0=1.2uH,
L0=.82uH,
L0=.82uH,
R2=36K
R2=39K
R2=51K
R2=47K
S ize
A
Date:
Docu ment Nu mber
W55RFS27R1B Application Circuit
We dne sda y, May 19, 200 4
S hee t
1
Rev
A1
of 1
(* Note: The components value is suitable for 15cm antenna. RSAW(R2) may need modified for different
antenna.)
11
Revision: A3.0
Publish Date: Feb. 2010
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet W55RFS27R1B.PDF ] | |
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