What is a "Cell Phone Signal Jammer Using Ne555 Timer"? The Most Authoritative Explanation.
What is 555 IC signal jammer?
The 555 ic signal jammer we made is capable of blocking the signals of a cell phone when placed near it. The signals coming from the jammer circuit we made get interfere with the radio waves coming from the cell phone which results in the blocking of cell phone signals. Hence the phone is unable to communicate with the respective towers.How does a cell phone signal jammer work?
The entire cell phone signal jammer circuit can be powered up using a 9V battery. The Switch S1 is used to turn ON and turn OFF the cell phone jammer. In the above circuit the 555 Timer is used as the Frequency generator. The output of the 555 timer is fed to the amplifier circuit through a 1uf electrolytic capacitor.What is NE555 timer?
NE555 is a high precision timer IC. The IC is capable of operating in three modes, astable, bistable & monostable. The IC possesses an oscillation frequency ranging from 670 to 680 Hz. Here, the NE555 timer acts under astable multivibrator mode. An astable multivibrator is a free-running square wave signal oscillator.How does a 555 timer work?
The output of the 555 timer is fed to the amplifier circuit through a 1uf electrolytic capacitor. This capacitor blocks the dc and allow the AC signal to pass which is amplified by the Transistor Q1. The amplified signal is then given to the antenna through a 4.7pF capacitor. First Coil- 4 turns 5mm of 24 AWG wire.
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