
QPB7432
Optical to Electrical Receiver User Manual
Optical Receiver User Manual
– Rev 02, Aug 12, 2018
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8 of 9
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Optical to Electrical Receiver Application Specifications
Parameter
Condition
(1)
Min
Typ
Max
Unit
Supply Current (I
DD
)
Steady state operation
160
mA
Frequency Range
47
1218
MHz
Optical Gain
At 550MHz. O/E gain is defined by 20*log (Zt/75)
44.5
dB
Gain Flatness
±1.5
dB
Tilt
Linear tilt from 45 – 1218 MHz; higher tilt can be
achieved by changing components
6
dB
Equivalent Input Noise
3.5
pA / √Hz
RF Output Level at
547.25 MHz
RF Output Level at 547.25 MHz
+14
dBmV/ch
At 45 MHz
−17
dB
Output Return Loss
At 600 MHz
−15
dB
At 1218 MHz
−18
dB
MER
90MHz to 850MHz, 0dB tilt, 96 channels, 8MHz
spacing. ITU-T Annex A 256 QAM 6.952
Msymbols/s. OMI = 3.5%
32
dB
BER
2.0E-5
Gain Control Range
Using suggested application circuit
30
dB
Notes:
1. Typical performance at these conditions:
Temperature
=+25 °C, V
DD
=+5
V, Optical Input to Electrical RF Out - Receiver reference design
Optical Input Requirements
Parameter
Unit
Min
Typical
Max
Optical Input Power
dBm
−18
0
Optical Modulation Index (OMI)
% / ch (79ch)
3.5
1550 nm PIN Responsivity
mA/mW
0.95
1550 nm PIN Capacitance
pF
0.35