參數(shù)資料
型號: DS1620R
元件分類: 溫度/濕度傳感器
英文描述: Self?Heating Temperature Sensor
中文描述: 自?加熱溫度傳感器
文件頁數(shù): 11/30頁
文件大?。?/td> 185K
代理商: DS1620R
ASAHI KASEI
[AK2504A]
MS0143-E-01 - 11 - 2004/01
E3
Pulse characteristics are specified at the output ports
Table 5.
E3 Pulse Specification (G.703)
Pulse shape (nominally rectangular)
All marks of a valid signal must conform with the
mask (see Fig.3), irrespective of the sign
Pair(s) in each direction
One coaxial pair
Test load impedance
75
s resistive
Nominal peak voltage of a mark (pulse)
1.0 V
Peak voltage of a space (no pulse)
0 V ± 0.1 V
Nominal pulse width
14.55 ns
Ratio of the amplitudes of positive and negative
pulses at the center of a pulse interval
0.95 to 1.05
Ratio of the widths of positive and negative
pulses at the nominal half amplitude
0.95 to 1.05
17 ns
0
T1818860-92
V
Nominal pulse
FIGURE 17/G.703
Pulse mask at the 34 368-kbit/s interface
(14.55 + 2.45)
8.65 ns
(14.55 – 5.90)
14.55 ns
12.1 ns
(14.55 – 2.45)
24.5 ns
(14.55 + 9.95)
0
0
0
0
0
0
0
0
0
29.1 ns
(14.55 + 14.55)
0.5
1.0
Fig. 3 E3 Pulse Mask
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