Galvanic isolation transformer
GT-1 ( GT1 )
| Main features
Easily mounted on the receiver side, noise suppression effect
In the SDR (software defined receiver) will be controlled by the PC especially
The effect occurs.
Ideal for VLF, LF, MF band reception.
For the antennas and receivers are electrically isolated, antenna
The receiver is protected from static electricity to induce.
40 kHz-30 MHz band is available.
Principle of operation
To control the PC receiver, especially recent SDR (software defined receiver)
The ground slightly at the base of the antenna and the receiver (PC side)
Different electric potential (ground potential). This phenomenon is especially high rise housing.
But potential difference is noticeable because it doesn't provide a good ground environment.
Difference in ground potential by Anne through the antenna cable （ feeder ）
Form a loop (ground loop) between the antenna and the receiver (PC) island
Do. Ground loop-PC power supplies, especially switching power
From the source of noise, even the noise from other electrical equipment superimposed.
Was originally received, and high noise floor of the receiver portion is a possible signal
Will be locked.
How to use the
How to use the GT-1 is fairly simple. RX-view side BNC (plastic model)
To the receiver's antenna input Ant side lugs BNC
Connect the cable from the antenna to the Jack. If you like
As conversion adapter and receiver and GT-1 between a 10-20 cm as short as
Please connect by coaxial cable.
Grand loop off the loop that cause noise that is GT-1
With insulation transformer to reduce the impact from noise. Grand
Jump directly into the antenna outside, due to non-loop noise
Come to the noise effect is not. Please use the notebook PC
If the noise reduction seen when used in batteries if you GT-1
In the noise damping effect can be expected.
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