M02006 Datasheet, PDF (10/16 Pages) M/A-COM Technology Solutions, Inc. – CMOS Pre-amplifier with AGC for Long-reach 155 Mbps Fiber-optics Based Transmitter

M02006
CMOS Pre-amplifier with AGC for Long-reach
155 Mbps Fiber-optics Based Transmitter
Rev V4
4.2
Alternative Input Arrangement
An alternative arrangement can be used to connect the photodiode, with the photodiode cathode being connected
directly to V_CC see Figure 4-2. This requires two decoupling capacitors, one connecting V_CC to ground and the
other from PIN K to ground. This arrangement gives slightly more reverse bias on the photodiode, but will have
worse low frequency noise performance.
Figure 4-2. Alternative Application Arrangement
+5 V
10 nF
1 nF
VCC
470 pF
PIN
K
PIN
A
VCC
10
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