Sharp R-332 Manuale Utente Scaricare il pdf (Pagina 5)

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

Fig.4 Measuring Method of Jitter

GP1F31T/GP1F32T/

GP1F33TT/GP1F33RT

Unit to be measured

receiver

Standard

signal

Output

CH1

CH2

Oscilloscope

Input

Input signal

Standard receiver

output

∆

0 0

Input signal 3Mbps

biphase mark PRBS signal

GNDV

Standard optical fiber cable

Trigger : CH1 Storage mode

50%

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) V

CC=5.0±0.05V (Operating)

(3) The probe for the oscilloscope must be more than

1MΩ and less than 10pF.

∆tj

Fig.3 Pulse Response Measuring Method

GP1F31T/GP1F32T/

GP1F33TT/GP1F33RT

Unit to be measured

Standard optical fiber cable

receiver

Standard

signal

Output

CH1

CH2

Oscilloscope

Input

Input signal

GP1F31T/GP1F32T

GP1F33TT/GP1F33RT

Input signal

(CH1)

Standard receiver

Output signal

(CH2)

PLH

PHL

GNDV

6Mbps NRZ “1010” successive pattern

50%

Pulse width distortion ∆tw=t

PHL

−t

PLH

Notes (1) VCC=5.0±0.05V (Operating)

(2) The probe for the oscilloscope must be

more than 1MΩ and less than 10pF.

1 2 3 4 5 6 7 8 9

Commenti su questo manuale

Nessun commento

Sharp R-332 Manuale Utente Pagina 5

Commenti su questo manuale

Prodotti e manuali riguardandi Microonde Sharp R-332