PC851 查看數據表（PDF） - Sharp Electronics
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PC851 Datasheet PDF : 4 Pages
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Test Circuit for Response Time
Input RD
VCC
RL Output
Input
Output
td
ts
tr
10%
90%
tf
Fig.12 Collector-emitter Saturation
Voltage vs. Forward Current
6
Ta = 25˚C
5
7mA
4
5mA
3mA
3
1mA
2
IC = 0.5mA
1
0
0 2 4 6 8 10 12 14 16 18 20
Forward current I F ( mA )
q Please refer to the chapter “ Precautions for Use ”
PC851
Fig.11 Frequency Response
V CE = 5V
IC = 2mA
0
Ta = 25˚C
100 Ω
- 10
RL = 10k Ω 1k Ω
- 20
0.5 1 2
5 10 20 50 100 200 500
Frequency f ( kHz )
Test Circuit for Frepuency Response
VCC
RD
RL
Output
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