W55RFS27R3C Datasheet, PDF (10/12 Pages) Winbond – Super-Regeneration RF Receiver

W55RFS27R3C DataSheet
Design Information
4.1 W55RFS27R3C Reference Design
4.1.1 W55RFS27R3C Application Circuit
1
2
3
4
5
6
D
C
A NT
A NT EN NA
A NT 1
SMA
C 11
15 nf
C 24
oL2
1.2u H
15 nf
C2
10 uF
R2
0
C4
15 nF
R5
C 10
10 uF
C9
15 nF
C8
1u F
V SPL Y
C1
-BA T+
C ON 2
10 uF
C 25
47 nF
R XD
C ON 1
R XD 3
C ON 3
V SPL Y
D
R8
10 k
R3
V SPL Y
C3
68 nF
G ND 1
C MFB 2
R BIA S 3
R SAW 4
V DD A 5
LN A _ G ND6
LN A _ V DD7
SD ING D 8
LN A IN G 9
LN A IN S 1 0
LN A OU T1 1
O SC in1 2
O SC o u1 t3
14
G ND A
U1
G ND
V SPL Y
C MFB
R XD
R BIA S
F
R SAW
B
V DD A
L
G ND _L NA
R
V DD _L NA
F2
SD ING D
NA
LN A _ ING
F1
LN A _ INS TE ST
LN A OU T
ID1
O SC in
ID0
O SC out MO DE
G ND A
res etn
W 5 5R FS2 7R 3C
28 VSPLY
27 R XD
26 F
25 B
24 L
23 R
22 F2
21
20 F1
1 9 TE ST
18 ID1
17 ID0
16 MO DE
1 5 res etn
F3
C ON 3
F
B3
C ON 3
V SPL Y
B
L3
C ON 3
V SPL Y
L
R -3
C ON 3
V SPL Y
R ^VSPLY
R4 _F
F ^{33 0}
1
2
LE D
R6 B
B ^{33 0}
1
2
LE D
R9 _L
L ^{33 0}
1
2
LE D
R10 R
R ^{33 0}
1
2
LE D
C
R 11 _F2
F2 ^{33 0}
1
2
LE D
R 1F21
F133 ⁰
1
2
LE D
F2 3
C ON 3
R 14
F2 ^{10 k}
V SPL Y
F1 3
C ON 3
B
oL0
2
21
1
1.5u H
V SPL Y
V SPL Y
V SPL Y
R 15
F110 ^k
V SPL Y
B
res etn
B UT TO M
V SPL Y
C 13
20 pF
C 12
27 pF
MO DE
C ON 3
ID0
C ON 3
ID1
C ON 3
TE ST
C ON 3
Power Pin: VSPLY GND
Output/Input Pin: F B L R - - Jump switch VSPLY or GND
Input Pin: ID0 ID1- - switch VSPLY or GND
Output/Power on trapping: RXD F1 F2
A
MODE - - switch VSPLY or GND
CPU mode Power down: F2
Title _{W55RFS27R3CAPPLICATION CIRCUIT}
A
TEST - - Jump switch VSPLY or GND
Test Pin : RXD
Size
N u mb er
R ev is io n
RF Pin: ANT
B
D ate:
File:
8-Jul-200 4
C :\temp \B A CK U P~2 2 . DD B
Sh eet of
D raw n B y :
1
2
3
4
5
6
10
Revision: A1.0
Publish Date: Feb. 2010