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SWR: 1.2PWR: 100WQTH: EN52
Category

Power & Grounding

Safe, quiet DC for the rig — and a path to earth when the sky turns.

A station needs clean power and a low-impedance path to ground. This category covers supplies, batteries, earthing electrodes, surge protection and the chokes that stop RF from travelling where it should not.

Power Supply engineering reference drawing
Power

Power Supply

Clean regulated DC for the station, sized for the current the radio actually draws.

V: 13.8 VI: 30 A
Power→
Battery Bank engineering reference drawing
Power

Battery Bank

Stored energy for portable work, field days and when the mains fails.

V: 12.8 VC: 100 Ah
Power→
Ground Rod engineering reference drawing
Power

Ground Rod

The station earth electrode — the reference everything else bonds to.

L: 2.4 mR: <5 ohm
Power→
Lightning Arrestor engineering reference drawing
Power

Lightning Arrestor

A sacrificial path to earth for the coax, so a surge does not go looking for your radio.

surge: 20 kAVc: 400 V
Power→
RF Choke engineering reference drawing
Power

RF Choke

Keeps RF out of the power leads, the audio leads and the computer.

Z: >5000 ohmf: 1.8-30 MHz
Power→
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Transceivers & AntennasFeedline & ConnectorsPower & GroundingTest EquipmentOperating & Logging

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