Figure 1-44. Transient Suppression for Coaxial Lines (DC To 3 MHz)

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Transient suppression for lines in metal conduit

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Grounding, Bonding, and Shielding for Electronic Equipments and Facilities

Figure 1-45. Transient Suppression for Twinaxial Lines (DC To 3 MHz)

MIL-HDBK-419A

EARTH

NOTES: 1. WHEN CABLE HAS OUTER ARMOR SHIELD, CONNECT THE

ELECTRODE

ARMOR TO THE GROUND BUS BAR. ALSO, ELECTRICALLY

BUILDING

SUBSYSTEM

CONNECT TWINAXIAL CABLE SHIELD TO GROUND BUS BAR.

PENETRATION

2. USE 2 SERIES-CONNECTED AVALANCHE DIODES WHEN LIN E

VOLTAGE > 12V.

3. STANDOFF VOLTAGE FOR TS2 SHOULD BE AS LOW AS

POSSIBLE, BUT SHALL NOT TURN ON IN RESPONSE TO

HUM VOLTAGE ON SHIELD.

B. TYPICAL TRANSIENT SUPPRESSION FOR

4. J-BOX SHALL BE GROUNDED USING SHORTEST MEANS.

COAXIAL CABLES (COAXIAL SHIELD ISO-

LATED FROM GROUND)

Figure 1-44. Transient Suppression for Coaxial Lines (DC To 3 MHz)

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