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Dec 21, 2021 · Old-school folks will tell you that the 300 ohm cable is actually better for antenna signals. They’re not wrong. Coaxial cable can be a bit of overkill for antenna signals. It provides extra shielding and durability, but not necessarily better signal propagation. Still, it’s the standard now and it’s been so for decades.
- Is it ok to use a rabbit ear-type antenna? - The Solid Signal Blog
The old-school “Rabbit Ears” antenna has been around for a...
- NICE AND EASY: Does an antenna need power? - The Solid Signal ...
It doesn’t need power to function. What an antenna is doing...
- Is it ok to use a rabbit ear-type antenna? - The Solid Signal Blog
Oct 1, 2012 · F-CONNECTOR PROBLEMS While on this subject of improving DTV reception, a colleague and I have found that in the daily checking of our RF test bed, which feeds DTV signals to 26 DTV converter boxes, one or more of them exhibits abnormally low sensitivity. Fig. 1: Rain-proof enclosure of PVC pipe for the new balun mounted on the antenna mast.
- Charles W. Rhodes
Oct 23, 2017 · Secondly, radio signals passing down a transmission line behave in a way most non-engineers don't expect. They get reflected from an open circuit, that is, from a connector without the antenna connected. The antenna provides a load, absorbing the energy travelling down the transmission line from the power device to the antenna.
- Let’s Explain.
- Unless… You Have An Amplified Antenna.
- Get Everything You Need For Over-The-Air TV
An antenna itself is just a metal stick. It doesn’t need power to function. What an antenna is doing is actually receiving a broadcast from the air. When a signal is broadcast, what really happens is a massive amount of electricity is pumped into the air. Air doesn’t transmit electricity very well. So, that electricity gets weaker and weaker as it ...
Amplified antennas do need power from a wall socket but it’s not the antenna that needs power, it’s the amplifier. The whole purpose of an amplifier is to read a weak signal, add power from an external source (like the wall) and create a stronger signal. So an amplified antenna is always going to need power. Most amplified antennas won’t work witho...
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Jan 14, 2024 · Antenna-related issues are common culprits for signal problems and require meticulous attention during troubleshooting. Power Supply Evaluation: Evaluate the stability and voltage output of the power supply unit that powers the FM transmitter. Use multimeters and power analyzers to assess the consistency of the electrical supply.
Aug 22, 2006 · a few things to start. -if the antenna is an hd series winegard, the circuit board inside the plastic case at the antenna corrodes/cracks sometimes over time...remove the circuit board and clean the contacts and reassemble. -the powersupply to the ap8700 has gone bad or is not attached.
People also ask
Does an antenna need power?
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Will an amplified antenna work without a power source?
Dec 9, 2015 · At 100 MHz, the loss is 0.14 dB per hundred feet. The input to the antenna will be 8,511 watts. If the antenna reflects 250 watts the VSWR at the antenna will be 1.41:1 with a return loss of 15.3 dB. But the meter at the transmitter will show a VSWR of 1.34:1 or a return loss of 16.7.
