 DIPARMENT  INSTRUMANTATION AND CONTROL  PROJECT PARTNER  1.SANJAY KHANDHAR  2.DHARMESH  3.DEVANG

 1.INDEX  2.INTRODUCTION  3.APLICATION  4.ADVANTAGE  5.DISADVANTAGE

 1.T.V REMOT JAMMER  2.T.V REMOTE JAMMER CIRCUIT  2.INTRODUCTION  4.T.V REMOTE JAMMER USING  5.WORKING  6.ADVANTAGE AND DISADVANTAGE  7.APPLICATION

 A machine or a remote which block the further working of the TV original remote is what we know as TV jammer.   This TV remote control jammer circuit confuses the infra-red receiver in a TV. It produces a constant signal that interferes with the signal from a remote control and prevents the TV detecting a channel-change or any other command. This allows you to watch your own program without anyone changing the channel!! The circuit is adjusted to produce a 38 kHz signal. The IR diode is called an Infra-red transmitting Diode or IR emitter diode to distinguish it from a receiving diode, called an IR receiver or IR receiving diode. (A Photo diode is a receiving diode). There are so many IR emitters that we cannot put a generic number on the circuit to represent the type of diode. Some types include: CY85G, LD271, CQY37N (45¢), INF3850, INF3880, INF3940 (30¢). The current through the IR LED is limited to 100mA by the inclusion of the two 1N4148 diodes, as these forms a constant-current arrangement when combined with the transistor and 5R6 resistor. IR LED1N4148 diodes  Experiment: 1  The items you should have to make first circuit: 1. Small circuit board  2. (1) 10k variable resistor  3. (1) 555 Timer 555 Timer  4. (4) Resistors. 470ohm, 1k, 560ohm  5. (2) High speed switching diodes 1N4148  6. (1) Transistor - BC557  7. (2) Infrared LED's  8. (2) 10nf capacitors  9. (1) 9 volt battery  This is the circuit diagram by which you can be able to make the first circuit. I think that you can make it by your own by seeing the image. Don’t worry anything you made if produce stable non detected waves will stop the TV to work as it could not find the data or signal that you have send by you. If you want to change the value of resister you can change as you only have to send the undetected waves. The binary code wave which is not in the list of the TV is undetected wave. We have one advantage is that the TV remote signal is in the high range of giga hertz

 I chose to use a Sony remote control (SR-P30) because it has plenty of room inside to add my circuit and a 9 volt battery while keeping the remote fully functional. The circuit parts: 1. Small circuit board 2. (1) 10k variable resistor 3. (1) 555 Timer 4. (4) resistors. 470ohm, 1k, 560ohm 5. (2) high speed switching diodes 1N (1) transistor - BC (2) Infrared LED's 8. (2) 10nf capacitors 9. (1) 9 volt battery

 WORKING  This TV remote jammer is working on the basis, theIR rays emitted from the remote is interrupted continuously by means of this circuit. The normal operating frequency range of a TV remote is 38KHz. This circuit produces a frequency of about 12KHz. You can use our NE555 frequency Calculator tool to check and verify it. The 12KHz frequency is generated by the help of NE555 timer IC, the frequency is determined by the network consisting of RA RB and C; 10K, 1K, and 0.01uF respectively. The output taken from the IC is given directly to a current driving PNP transistor, SK100. The transistor act as a switching network, it goes into conduction whenever the output of IC drives into negative going cycle. The conduction of transistor switch ON the IR led and emits IR rays of frequency 12Khz. This may interfere with the rays emitted from TV remote, which makes it disabled.

Advantages  1. It will not affect the signal receiving capacity of the TV.  2. This circuit is used in the family where we have to see a particular channel or scene, so few of them pause the TV by this and then they watch the channel very happily and then restart the TV to make the TV work as it was working.  3.Can go to some bodies house and then change Disadvantages  1.It is costly than the second circuit.  2.Heavy compound is required.  3.Only knowledgeable person can make this.  4.More current consumption than the second circuit.

 1.USE IN T.V REMOTE JAMMER