155Mbps Low-Noise Transimpedance
Amplifier
VCC
100Ω
100Ω
100Ω∗ 100Ω∗
50Ω∗
50Ω∗
L
50Ω
50Ω
DIFFERENTIAL CML
INPUT STAGE
MAX3657
CML OUTPUT
STAGE
*COMPONENT NOT REQUIRED IF L < 10cm.
Figure 6a. 50Ω DC-Coupled Interface
VCC
100Ω
100Ω
100Ω∗ 50Ω
100Ω∗
50Ω
50Ω∗
L
MAX3657
CML OUTPUT
STAGE
NOTE: THE PARALLEL COMBINATION AT THE UNUSED OUTPUT
CAN BE REPLACED BY A SINGLE EQUIVALENT 33Ω RESISTOR.
*COMPONENT NOT REQUIRED IF L < 10cm.
Figure 6b. 50Ω DC-Coupled Single-Ended Output Interface
SINGLE-ENDED
INPUT STAGE
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