Tektronix OI1125, Инструкция по эксплуатации, Страница: 31 / 88

OI1125 E/O Transmitter Instruction Manual
19
Specifications
This section contains the specifications of the OI1125 E/O Transmitter. All
specifications are guaranteed unless labeled “typical”. Typical specifications are
provided for your convenience but are not guaranteed. All specifications marked
with the
n
symbol are guaranteed and have corresponding checks in the
Performance Verification section on page 31.
Table 6: Specifications
Specification Description
Modulator Data Input
n
Data Rate 2.488 Gb/s to 12.5 Gb/s (functional down to less than 622 Mb/s with
degraded performance)
n
Input Amplitude Operating Optical output specifications maintained over an input voltage range of
0.25 to 1.50 V
p-p
, except where noted.
Maximum AC
t
2 V
p-p
Maximum DC
t"
10 V
Input Impedance 50
W
AC coupled
Input Electrical Return Loss
u
10 dB, 100 MHz to 8 GHz
Input Duty Cycle 45% to 55%
Input Connector Female SMA jack
Data Pattern Run Length Limit 100 bits
Modulator Optical Input
n
Wavelength 1530 nm to 1565 nm
n
Input Power Operating +5 dBm to +12 dBm
Maximum +16 dBm
Input Return Loss
u
45 dB
Input Connector FC/APC with internal Panda-type PMF fiber and dust cover
Modulator Optical Output
n
Output Power 0 dBm to +4 dBm (with internal laser)
n
Polarity Noninverting
Output Return Loss
u
45 dB
Modulator Insertion Loss
t
8 dB
Output Rise Time 20 - 80%
t
35 ps
Extinction Ratio
(AC) variable
t
5 dB to
u
12 dB
n
nonvariable
u
12 dB (2.488 Gb/s to 9.953 Gb/s)
u
10 dB (9.953 Gb/s to 12.50 Gb/s)
Output Connector Universal/APC with safety cover (FC adapter is standard)