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參數(shù)資料
| 型號： | U4222B |
| 英文描述： | Radio Controlled Clock Receiver |
| 中文描述： | 電波鐘接收器 |
| 文件頁數(shù)： | 6/9頁 |
| 文件大小： | 98K |
| 代理商： | U4222B |
TELEFUNKEN Semiconductors
U4222B
Preliminary Information
Rev. A1: 07.08.1995
6 (9)
Test Circuit for JG2AS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
U4222B
Measurementpoint
100 n
50 k
40 kHz
Generator
330 nF
47 nF
(with variable
output level)
Electronic switch
(Time Code)
T
1 s
Measuring device:
Oscilloscope with high impedance
probe(
20 M )
V
CCD
–0.8
V
Receiver input signal calibration:
Example: 2
V
eff
input signal
2 2 2
10
3
= 5.65 mV
pp
at measurement point
+V
CC
PON
TCO
It must be noted:
Input is shortened by 50
means, the antenna noise is not taken
into consideration.
that
100
T = 500 ms (binary “0”)
or 800 ms (binary “1”)
40 kHz
93 7720 e
Figure 5.
Application Circuit for JG2AS 40 kHz
CC
+V
CONTROL LINES
DISPLAY
KEYBOARD
8
9
MICROCOMPUTER
1
2
3
4
5
6
7
16
15
13
12
11
14
10
47 nF
PON
Ferrite Antenna
330 nF
40 kHz
U4222B
TCO
94 8030 e
Figure 6.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| U4222B-CFPG1 | Radio Controlled Clock Receiver |
| U4223B-BFL | Voltage comparators |
| U4223B-BFS | Voltage comparators |
| U4223B-CFS | Low power quad voltage comparator |
| U4223B-CFSG3 | Remote-Control Receiver/Decoder |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| U4222B-CFP | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Radio Controlled Clock Receiver |
| U4222B-CFPG1 | 制造商:TEMIC 制造商全稱:TEMIC Semiconductors 功能描述:Radio Controlled Clock Receiver |
| U4223B | 制造商:ATMEL 制造商全稱:ATMEL Corporation 功能描述:Time-Code Receiver with A/D Converter |
| U4223B-BFL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
| U4223B-BFS | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Peripheral IC |
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