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參數資料
| 型號： | U4224B-CFLG3 |
| 英文描述： | Time Code Receiver |
| 中文描述： | 時間碼接收機 |
| 文件頁數： | 15/17頁 |
| 文件大小： | 225K |
| 代理商： | U4224B-CFLG3 |
U4224B
TELEFUNKEN Semiconductors
Rev. A3, 02-Apr-96
15 (17)
Information Regarding Japanese Transmitter
Station: JG2AS
Frequency 40 kHz
Transmitting power 10 kW
Location: Sanwa, Ibaraki
Geographical coordinates: 36 11’ N, 139 51’ E
Time of transmission: permanent
0
5
10
20
30
40
55
0
5
35
45
sec.
40 20 10
8
4
2
1
P1
0
1
2
3
5
4
6
7
8
9
10 11 12 13 14 15 16 17 18 19 20
hours
P2
20 10
8
4
2
1
Time Frame
15
minutes
0.5 s
0.8 s
0.2 s
”1”
”0”
”P”
0.5 second: Binary one
0.8 second: Binary zero
0.2 second: Identifier markers P0...P5
93 7508 e
25
50
10
P
F
4
2
1
8
4
2
1
P
1
2
8
4
2
1
P
2
1
8
4
2
1
P
8
4
2
1
A
S
A
P
8
2
1
4
P
P
minutes
hours
days
P0
frame reference marker (FRM)
position identifier marker P0
position identifier marker P1
Example: 18.42 h
Time Frame 1 Minute
(index count 1 second)
Time Frame
dut1
code
59
Modulation:
The carrier amplitude is 100% at the beginning of each se-
cond and is switched off after 500 ms (binary one) or after
800 ms (binary zero).
Time Code Format:
It consists of one minute time frame. A time frame con-
tains BCD–coded information of minutes, hours and
days. In addition there are 6 position identifier markers
(P0 thruP5) and one frame reference markers (FRM) with
reduced carrier amplitude of 800 ms duration.
Ordering and Package Information
Extended type number
U4224B-CFL
U4224B-CFLG3
T4224B-CF
T4224B-CC
Package
Remarks
SO 16 L plastic
SO 16 L plastic
no
no
Taping according to IEC–286–3
die on foil
die on tray
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