Fiber Optic Receiver

MOF-R3K4

Fig. 2 Measuring Method of Output Voltage and Pulse Response

Fiber optic cable

Test item

Symbol

Low →High pulse delay time

t

PLH

High → Low pulse delay time

t

PHL

Rise time

t

r

Fall time

t

f

Δtw

High level output voltage

V

OH

Low level output voltage

V

OL

REV: A1

Test item

Pulse width distortion

Δtw = t

09/11/2001

Unity Opto Technology Co., Ltd.

Standard transmitter

MOF-T3K4

GND

5V

MOF-R3K4

CH2

CH1

Oscilloscope

Input

6 Mbps NRZ, Duty 50%

GND

90%

50%

50%

10%

Standard transmitter

Input signal

(CH1)

Output signal

(CH2)

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