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参数资料
| 型号： | T4227-FBG3 |
| 厂商： | TEMIC SEMICONDUCTORS |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDSO16 |
| 封装： | SSOP-16 |
| 文件页数： | 13/13页 |
| 文件大小： | 105K |
| 代理商： | T4227-FBG3 |
T4227
Preliminary Information
Rev. A2, 24-Jul-00
9 (13)
Information on the British Transmitter
(Customer is responsible to verify the information!)
Station: MSF
Frequency 60 kHz
Transmitting power 50 kW
Location: Teddington, Middlesex
Geographical coordinates: 52
_ 22’N, 01_ 11’W
Time of transmission: permanent, except the first
Tuesday of each month from 10.00 h to 14.00 h.
05
10
15
20
25
30
40
50
55
05
10
35
45
year
day of
month
day
of
week
hour
minute
identifier
hour + minute
day of week
day + month
year
Time frame 1 minute
Time frame
( index count 1 second)
Parity
check
bits
BST
BST 7 GMT change
impending
80 40 20 10 8 4 2 1
8 4 2 1
10
20 10
8 4 2 1
2 1
4
20 10
1
8 4 2
40 20 10
4
8
2 1 0
0
500 ms
Switch over to
the next time frame
80
40
20
10
42
1
10
8
4
2
1
18
19
20
21
22
23
24
25
26
27
28
29
30
year
month
17
seconds
93 7528
0
1
Example:
March 1993
Figure 16.
Modulation
The carrier amplitude is switched off at the beginning of
each second for a period of 100 ms (binary zero) or
200 ms (binary one).
Time-Code Format
The time-code format consists of 1-minute time frames.
A time frame contains BCD-coded information of year,
month, calendar day, day of the week, hours and minutes.
At the switch-over to the next time frame, the carrier
amplitude is reduced for a period of 500 ms.
The prescence of the fast code during the first 500 ms at
the beginning of the minute in not guaranteed. The trans-
mission rate is 100 bits/s and the code contains
information of hour, minute, day and month.
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