Sharp R-332 Uživatelský manuál stáhnout pdf (Strana 6)

GP1F31T/R, GP1F32T/R, GP1F33TT/RR/RT, GP1C331/331A/332/333/334/335

Fig.5 Muximum Input Optical Power Level/Minimum Input Optical Power Level Measuring

Method of Receiving Unit

Optical power meter

GP1F31R/GP1F32R

GP1F33RR/GP1F33RT

Unit to be measured

Variable optical

attenuator

Standard

transmitter

Anritsu : ML93B

Notes (1) Optical power meter must be calibrated to have

the wavelength sensitivity of 660nm.

(2) With no optical attenuator connected, use the

transmitter GP1F31T/GP1F32T/GP1F33TT and

the fiber optic cable GP1C331 with the fiber

coupling light output set at −15dBm/−24dBm.

Fig.6 Measuring Method of Dissipation Current

Unit to be measured

GP1F33RR/GP1F33RT

GP1F31R/GP1F32R

Input

Standard optical fiber cable

Ammeter

Standard

transmitter

GNDV

out

GNDV

(DC average current value)

VCC=5.0±0.05V

PC=−15dBm

6Mbps NRZ, duty 50%

or 3Mbps biphase PRBS signal

Fig.7 Measuring Method of Output Voltage and Pulse

Input

Standard optical fiber cable

GP1F31R/GP1F32R/

GP1F33RR/GP1F33RT

Unit to be measured

Vcc

GND V

out

CH1

CH2

Oscilloscope

50%

90%

50%

10%

Output signal

(CH2)

GP1F33RR/GP1F33RT

GP1F31R/GP1F32R

Notes (1) VCC : 5.0±0.05V (Operating)

(2) The probe for the oscilloscope must be more

than 1MΩ and less than 10pF.

(3) R

, R

; Standard load resistrance

: 3.3kΩ, R

: 2.2kΩ)

Standard

transmitter

6Mbps NRZ, duty 50%

GNDV

Standard

transmitter

Input signal

(CH1)

PLH

PHL

1 2 3 4 5 6 7 8 9

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