GP1F361R 데이터 시트보기 (PDF) - Sharp Electronics

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GP1F361R

Optical Mini-Jack for Digital Audio Equipment

Sharp Electronics 

GP1F361T/GP1F361R

Test item

Test item

Low→ High pulse delay time

High→ Low pulse delay time

Pulse width distortion

Low→ High Jitter

High→ Low Jitter

Symbol

t PLH

t PHL

∆tw

∆tjr

∆tjf

Test condition

-

-

∆ tw = tPHL- tPLH

Set the trigger on the rise of input signal

to measure the jitter of the rise of output

Set the trigger on the fall of input signal

to measure the jitter of the fall of output

Notes ( 1) The waveform write time shall be 4 seconds. But do not allow the waveform to be distorted by increasing the

brightness too much.

( 2) VCC = 3.0 ±0.05V (State of operating)

( 3) The probe for the oscilloscope must be more than 1MΩ and less than 10pF.

Fig. 4 Supply Current

Input conditions

Measuring method

Supply voltage

VCC = 3.0 ± 0.05V

Optical output

coupling fiber

Standard transmitter

input signal

PC = - 14.5dBm

6Mbps NRZ, Duty50 %or 3Mbps

biphase mark PRBS signal

Measured on an ammeter

(DC average amperage)

Standard

transmitter

Vin Vcc GND

Input

5V

fiber optic cable

GP1F361R

Unit to be measured

Vcc

GND Vout

Vcc

A

Ammeter

Fig. 5 Measuring Method of Output Voltage and Pulse Response

Standard

transmitter

Vin Vcc

GND

5V

Input

6Mbp/s NRZ, duty 50%

fiber optic cable

GP1F361R

Unit to be measured

Vcc GND Vout

Vcc

CH1

CH2

Tektronix 7834

or 7934 type

Oscilloscope

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