參數(shù)資料
型號(hào): U4224B-CFLG3
英文描述: Time Code Receiver
中文描述: 時(shí)間碼接收機(jī)
文件頁(yè)數(shù): 9/17頁(yè)
文件大小: 225K
代理商: U4224B-CFLG3
U4224B
TELEFUNKEN Semiconductors
Rev. A3, 02-Apr-96
9 (17)
Application Circuit for DCF 77.5 kHz
+ V
CC
CONTROL LINES
DISPLAY
KEYBOARD
8
9
MICROCOMPUTER
1
2
3
4
5
6
7
16
15
13
12
11
14
77.5 kHz
10
PON
3)
TCO
Ferrite Antenna
f
res
= 77.5 kHz
6.8 nF
10 nF
33 nF
U4224B
94 8279 e
77.5 kHz
2)
C
3
C
2
C
1
SL
1)
1)
If SL is not used, SL is connected to V
CC
2)
77.5 kHz crystal can be replaced by 10 pF
3)
If IC is activated, PON is connected to GND
Application Circuit for WWVB 60 kHz
+ V
CC
CONTROL LINES
DISPLAY
KEYBOARD
8
9
MICROCOMPUTER
1
2
3
4
5
6
7
16
15
13
12
11
14
60 kHz
10
PON
3)
TCO
Ferrite Antenna
f
res
= 60 kHz
15 nF
10 nF
47 nF
U4224B
94 8278 e
60 kHz
2)
C
3
C
2
C
1
SL
1)
1)
If SL is not used, SL is connected to V
CC
2)
60 kHz crystal can be replaced by 10 pF
3)
If IC is activated, PON is connected to GND
RSB
10 k
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