FM Radio Jammer circuit diagram

This is FM radio jammer circuit diagram.This is not legal device in many countries.So dont misuse this.we dont get any response of it.Note# This circuit operates with 9V# L1 make 6 turns of 16AWG enamelled copper wire on a 9mm plastic former.

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Frequency Meter Circuit

This
is the circuit of frequency meter. It measures the frequency of the
input signal in terms of current passing through an ordinary ammeter.
The main component of this circuit is the 555, a versatile,
general-purpose timer IC. In this circuit, the 555 is configured as a
monostable multivibrator that outputs a single pulse at pin 3 every time
the input signal at pin 2 goes low.The
width

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Mosfet Snubber Flyback Converter Circuit

Mosfet Snubber Circuit in Flyback Converter , Typical flyback convertor with drain clamping circuits ZenBlock Zener with integrated blocking diode Philips Semiconductors new ZenBlockTM replaces double-diode-, RCD- or RC-snubbers in flyback convertors. Mosfet Snubber Flyback Converter CircuitThe new components offer circuit designers the important benefits of lower component count and board usage,

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Video Amplifier Circuit Diagram

Video amplifier circuit is simple and can be used. Video amplifier circuit was constructed from 2 pieces of transistors BC550 and BC560. The source voltage used for supplying the video amplifier circuit is 5VDC. Video amplifier circuit is equipped with a powerful regulator which flows through both transistors T1 and T2, the components used to manage these flows are P1 and P2.Video Amplifier

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Solar Charger Circuit Project Using Transistors

A very simple solar charger circuit project can be designed using few external electronic parts . This simple solar charger circuit is capable of handling charge currents of up to 1A. Alternate component values are given in the figure for lower current applications.Solar Charger Circuit Project Using Transistors circuit diagram :The only adjustment is the voltage trip point when the current is

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Power Supply Circuit using IC LM317

The primary part of this Power Supply circuit
is the voltage regulator IC LM 317. This circuit is ideal for power
circuits as the circuit of the power amplifier can deliver a current of
2A. In this circuit the transistor acts as a pass transistor Q1 to
increase current capacity. The output voltage is set to 40V by using
resistors R5 and R8.Parts ListResistors:
R1 (39 ohm 1

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Transistor As a timer circuit

Basically on all timer or timer circuit utilizing most of the basic characteristics of the capacitor. The basic characteristic is the process of filling and discharge that occurs in the capacitor. The length of time charging and release depends on the value of the capacitor.If we observe the above circuit, the light will immediately switch SW1 turns on when we plug it into potensio VR1, this is

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Low Cost IC Stereo Receiver Circuit

The recent availability of a broad line of truly high-performance consumer integrated circuits makes it possible to construct a high quality, low noise, low distortion and low cost AM/FM/Stereo receiver. This is the complete design circuit for AM/FM/Stereo Receiver. This is the figure of the circuit;This circuit is using LM3089FM for control the operation in this circuit. The LM3089 FM IF System

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Circuit Mobile Phone Battery Charger

This post share about Mobile Phone charger circuits, previously you can see other Phone Battery Charger Circuit or Charger Circuit . This Charger ciruit use to charging phone battery using IC 7805 for plus voltage regulator or & 7905 for min voltage regulator. Below is a schematic circuit adapter, power supply, or battery charger (for gadgets, mobile phones, MP4player, smartphone) that is

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How to build Mains Operated LED Circuit Schematic

Here is a simple and powerful LED circuit that can be operated directly from the AC 100 volt to AC 230 Volts mains supply. The circuit can be used as mains power locator or night lamp etc.. The resistor R1,R2 and capacitor C1 provides necessary current limiting. The circuit is sufficiently immune against voltage spikes and surges.parts D1 = 1N4007 D2 = 1N4007 D3 = 1N4007 D4 = 1N4007 R2 =

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9V Battery Voltage Monitor Circuit

This is a circuit that can be use for monitoring the voltage of battery. This is the figure of the circuit;Nine voltage batteries are used in a wide variety of electronic devices. But, you often don�t know when it is time to change the battery until the device stops operating. The hobby circuit below provides a visual indication when the battery needs to be replaced. It uses a neat IC from

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Lead Acid Battery Charger Circuit 1

Except for use as a normal Battery Charger, this circuit is perfect to constant-charge a 12-Volt Lead-Acid Battery, like the one in your flight box, and keep it in optimum charged condition. This circuit is not recommended for GEL-TYPE batteries since it draws to much current. The above circuit is a precision voltage source, and contains a temperature sensor with a negative temperature co?ficient

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Efficient Electronic Relay SSR Circuit Explained

Mechanical type of relays can be pretty inefficient in applications which require highly smooth, very swift and clean switching. The proposed circuit of an SSR can be built at home and used in places which require truly sophisticated load handling.A solid state relay circuit with in built zero crossing detector is described in this article. The circuit is very easy to understand and build yet

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Relay Actuating Circuit with Millivolt Sensitivity

Common electromagnetic relays with coil voltage of 5V, 6V or 12V can operate power circuits in the range of 250 to 300 volts and up to 20A. The actuating current of these relays is in the range of 50 to 100 mA. In many applications, such as temperature-controlled equipment, energisation/de-energisation of 5V, 6V or 12V relays for �on�/�off� control of the load is to be achieved by a few

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7 Watt Audio Power Amplifier Circuit Schematic

This
small amplifier is constructed around the TDA2003 IC, capable of
delivering 4Wrms at 4ohms. The TDA 2003 has improved performance with
the same pin configuration as the TDA 2002. The additional features of
TDA 2002, very low number of external components, ease of assembly,
space and cost saving, are maintained. The device provides a high output
current capability (up to 3.5A) very

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Simple Bird Sound generator Circuit Diagram

The diagram presented below shows a simple circuit of a bird sound generator. All the parts are very common and the transformer is an ordinary type as found in small transistor radios at the output stage.The circuit is basically a feedback oscillator circuit that is configured around a small output transformer. The transistor forms the main active components here.When mains power os applied to

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