參數(shù)資料
型號: GP1FE500TK
英文描述: FIBER OPTIC TRANSMITTER
中文描述: 光纖變送器
文件頁數(shù): 6/7頁
文件大小: 80K
代理商: GP1FE500TK
GP1FE500TK/GP1FE500RK
Fig.6 Measuring Method of Jitter
Input signal
50%
GP1FE500RK
output
50%
CH1
CH2
Oscilloscope
t
j
t
j
Standard transmitter
GP1FE500RK
Unit to be measured
V
CC
V
CC
GND
V
IN
V
OUT
GND
V
CC
5V
Input
Test item
Jitter
Jitter
Symbol
t
j
t
j
Set the trigger on the fall of input signal
to measure the jitter of the fall of output
Test item
Fiber optic cable
Input signal 3Mbps biphase,
PRBS signal
Notes (1) The fiber coupling light output set at
14.5dBm/
24dBm
(2) R
, R
:Standard load resistance (R
:3.3k
, R
:2.2k
)
(3) The waveform write time shall be 3s. But do not allow the waveform to
be distorted by increasing the brightness too much
(4) V
=
5.0V (State of operating)
(5) The probe for the oscilloscope must be more than 1M
and less than
10pF
Set the trigger on the rise of input signal
to measure the jitter of the rise of output
Test condition
Tektronix 7834 or 7934 type
Trigger : CH1
Storage mode
Sweep : AUTO/NORM
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