How to change the current size of the signal jammer?

In some characteristic places, it needs to be applied to the signal jammer, mainly to shield the signal. Since the signal will appear at any time, the signal jammer should also be turned on at any time, but doing so is likely to cause the current to be unstable. The solution is to change the current size. So how to change the current size of the signal jammer? There are three main methods:

1. Replace the resistor or power supply (voltage). In the circuit of the signal isolator, the magnitude of the current can be changed by means of the slider resistance.

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2. According to the actual situation, choose series or parallel. When connected in series, the voltage does not change and the current changes; when connected in parallel, the current does not change and the voltage changes.

3. The voltage at both ends can be changed.

Because the signal jammer needs to be used for a long time, and its application needs power supply, and the power supply will definitely generate a certain current, so before it is officially used, you need to adjust the resistance to avoid too much current.
https://topsignaljammer.com/

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