I am building a remote coax switch containing a relay to switch between HF dipoles. Power level is <1kW at 3 to 30MHz.
I want to put a resistor or RF choke from coax-center-conductor to shield (RG-8X) to drain any static charge while the inactive dipole is open-circuited. The active antenna is DC grounded through the relay by a balun between the antenna switch and the transceiver.
What resistor should I use? Carbon or Metal Film? Resistance? Wattage? Does the resistor raise the noise level the receiver sees? What value of resistance is high enough not to heat during transmit while still bleeding off static?
Should I not use a resistor at all; rather use an RFChoke with a low DC resistance?
I want to put a resistor or RF choke from coax-center-conductor to shield (RG-8X) to drain any static charge while the inactive dipole is open-circuited. The active antenna is DC grounded through the relay by a balun between the antenna switch and the transceiver.
What resistor should I use? Carbon or Metal Film? Resistance? Wattage? Does the resistor raise the noise level the receiver sees? What value of resistance is high enough not to heat during transmit while still bleeding off static?
Should I not use a resistor at all; rather use an RFChoke with a low DC resistance?