Light power meter should be

2) The probe for the oscilloscope must be

more than 1M

Ω and less than 10pF.

Vin

Vin

GND

Light power meter

Standard fiber cable

Icc

Vcc

(Anritsu ) ML93B

[ 0dBm= 1mW]

Vin

GND

GP1F31T/GP1F32T/

GP1F33TT/GP1F33RT

Unit to be measured

Standard optical fiber cable

receiver

Standard

signal

Output

CH1

CH2

Oscilloscope

Input

Input signal

50%

50%

GP1F31T/GP1F32T

GP1F33TT/GP1F33RT

Input signal

(CH1)

(CH2)

Output signal

Standard receiver

Vcc

Pulse width distortion

∆ tw= t

- t

GP1F31T/R, GP1F32T/R, GP1F33TT/RR/RT, GP1C331/331A/335

∗8 Input voltage/power dissipation measuring method

Input condition

Measuring method

Vin = 2.0V or more

Vin = 0.8V or less

∗9 Pulse response measuring method

Input condition and measuring method

corrected to wavelength sensitivity

(660nm )

GP1F31T/GP1F32T/

GP1F33TT/GP1F33RT

Sample

PHL

PLH

6Mbps NRZ “1010” successive pattern