鈥?/div>
LOW OPERATING VOLTAGE:
V
R
= 5 V
鈥?COAXIAL MODULE WITH SINGLE MODE FIBER (SMF)
OR GI-50 FIBER
鈥?WITH SC CONNECTOR: Standard, FC connector: option
(Refer to Ordering Information)
NR7500 SERIES
DESCRIPTION
NEC's NR7500 Series is an InGaAs PIN photo diode (PIN-PD)
coaxial module with optical fiber pigtail. This module is de-
signed for long wavelength 2.5 Gb/s optical fiber communica-
tion systems and is ideal as a reciever for Synchronous Digital
Hierarchy (SDH) system, STM-16, ITU-T recommendations.
ELECTRO-OPTICAL CHARACTERISTICS
(T
C
= 40擄 C to +85潞 C, unless otherwise specified)
PART NUMBER
SYMBOLS
I
D
C
t
S
fc
ORL
PARAMETERS AND CONDITIONS
Dark Current, V
R
= 5 V, T
C
= 25潞 C
V
R
= 5 V
Terminal Capacitance, V
R
= 5 V, f = 1 MHz, T
C
= 25潞 C
Sensitivity, V
R
= 5 V,
位
= 1310 nm
V
R
= 5 V,
位
= 1550 nm
Cut-off Frequency, V
R
= 5 V, T
C
= 25潞 C
Optical Return Loss
SMF
GI-50 Fiber
GHz
dB
pF
A/W
0.78
0.80
2.5
30
28
0.7
0.89
0.94
UNITS
nA
MIN
NR7500 Series
TYP
0.1
MAX
1.0
20
0.9
California Eastern Laboratories