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watson fc 130 frequency counter help?
i build my own small transmitters not very powerful but when i test them with the watson fc 130 i get a load of spurious signals that are stronger than my transmitter so what im asking is has anyone used one of these with frequency counter test leads / probes as opposed to the antenna also if you have what type are they and where did you get them from
thanks in advance
If you overdrive the input of the counter you can cause images. In that case you could try moving the counter away from the transmitter. If you are simply overdriving the input the images will go away when the counter is far enough not to be overdriven. However, your transmitters may be putting out spurious signals. It's not uncommon. Do you have any kind of filtering on them? Do you have a proper load on them when you check them. If you use a dummy load, the counter may still be able to pick up the transmitter and will probably not be overloaded. If the spurs are still there the transmitter is bad. Don't hook the transmitter up to the counter unless the counter is rated to take the power level the transmitter puts out. You need to use the proper impedance coax cable to connect them.
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