W55RFS27T3B Datasheet, PDF (12/16 Pages) Winbond – SUPER-REGENERATION RF RECEIVER

W55RFS27T3B
W55RFS27T3B Application Schematic BOM(6-function):
Item
Qty
Reference
Part
________________________________________________________________________________
1
1
C7
240p
2
2
C8,C9
7p
3
3
C13,C19,C33
47n
4
1
C18
10u
5
1
L1
39nH
6
2
L2,L7
1uH
7
1
R1
20K
8
1
U1
W55RFS27T3B
9
1
Y1
49.86MHz
10
1
LED1
LED
(Optional)
11
1
C0
100u
(Optional)
12
2
D2,D1
1N4148
(Optional)
13
1
R5
300
(Optional)
14
2
R4,R3
1K
(Optional)
4.1.3 Application Circuit for 4 Control Functions
Set TEST = 1.
1. Only 4 functions are provided.
2. The external power switch is not required when using a 9-V battery.
3. LEDs can be directly driven by TXOUT.
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