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參數資料
型號: W55RFS27T1B
廠商: WINBOND ELECTRONICS CORP
英文描述: SUPER-REGENERATION RF TRANSMITTER
中文描述: 超再生RF發射器
文件頁數: 13/17頁
文件大小: 345K
代理商: W55RFS27T1B
W55RFS27T1B
Publication Release Date:May 24, 2005
- 13 -
Revision A3
{Doc}
{RevCode}
W55RFS27T1B Application Circuit (49MHz)
A
1
1
Tuesday, May 04, 2004
Title
Size
Document Number
Rev
Date:
Sheet
of
VDD
VDD
VDD
VDD
VDD
Dependent on Antenna
Overtone Crystal
For 49MHZ
* 27MHz,(L1,C7)= (56nH, 470pF), (L7,C33)=none
* 35MHz,(L1,C7)= (47nH, 360pF), (L7,C33)=(3.3uH,47n)
* 40MHz,(L1,C7)= (47nH, 300pF), (L7,C33)=(2.2uH,47n)
* 49MHz,(L1,C7)= (39nH, 240pF), (L7,C33)=(1uH,47n)
ID0
ID1
VDD
L2
1uH
JP7
ID1
1
2
3
JP6
ID0
1
2
3
ANTENNA
R1
20K
C7
240p
L7
1uH
C13 47n
SW3
Left-turn
L1
39nH
49.86MHz
C8
7p
C9
7p
C33
47n
SW4
Right-Turn
U1
W55RFS27T1B
TXOUT
14
X2
11
CKSEL0
3
VDD
8
VSS
7
ANT
6
CKSEL1
5
RESET
9
S4
2
S3
1
S2
16
S1
15
ID1
12
ID0
13
TEST
4
X1
10
LED
LED1
300
R5
SW1
Forward
SW2
Backward
D3
4.3V
R5
120
BT1
9V
C19
47n
+
C18
470u
D2
1N4148
D1
1N4148
D4
1N4148
D3
1N4148
CKSEL0
ID1
ID0
TXOUT
CKSEL1
CKSEL0
CKSEL1
TXOUT
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