CATV Equipment
90 VAC RF
To Line
Amplifiers
P1900ME
Power
Port
Figure 3.33 CATV Amplifier Protection (incorporated into a power inserter module)
90 VAC RF
To Line
Amplifiers
A
K
G
P1800EC
G
A
K
Figure 3.34 CATV Amplifier Protection
Station Protection Reference Circuit
Figure 3.35 shows a P1400AD SIDACtor device used in a CATV station protection
application. Note that a compensation inductor may be required to meet insertion and
reflection loss requirements for CATV networks. If so, the inductor should be designed to
saturate quickly and withstand surges up to 200 V and 1000 A. An inductor with a core
permeability of approximately 900 Wb/A·m and wound with 24-gauge wire to an inductance
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SIDACtor Data Book and Design Guide
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