R2 is connected with the emitter of the transistor so the same voltage is present on the emitter. This current passes through the capacitor C4 and due to this current flows through R2.
When we give the power to the circuit a rush of current flows through the L1 (inductor). The modulation stage provides a carrier signal that is modulated by the input signals keep in mind that input signals are gained by the microphone or any input source. The oscillator/modulation stage consists of C2(variable capacitor for adjusting frequency), C4, L1, and R2 with the frequency of oscillation being determined by C2 and L1 only. Modulation Stage of Simple FM Transmitter Resistor R1 (resistor) provides a small amount of current to the base of the transistor so in this way transistor remains on and 1st stage is complete in this way. Input signals into the FM transmitter must not contain a DC component as it would adversely affect the modulation stage and therefore no FM signal would be generated therefore C3 capacitor is used to control the DC adverse. The input stage consists of capacitors C1 and C3, resistor R1, and a microphone. Input Stage state of Simple FM Transmitter
#1 transistor fm radio install
If you want to increase the range of the transmitter then you must install the long high antenna with any wire. The coils and the antenna can be designed as a part of the PCB as an antenna if you make it on PCB. You can easily make this transmitter on PCB or without PCB because it consists of very few components. In this circuit, we have used an electret condenser microphone as an input source that gains signal in analog form. In this project, we are going to design a single transistor FM transmitter circuit that works effectively in a 1-2 km range. Water Level Indicator Circuit Using Transistor.Voltage Regulator Circuits using Transistor and Zener Diode.Low Power Audio Amplifier Using integrated circuit.Neon Lamp Circuits Working and Application.Touch On Touch Off Switch Circuit Using 555 timer.Electronic Doorbell Circuit using a 555 and CD4017.Small High Volts using 2Sc 1815 transistor.Stereo Audio Amplifier 5W Circuit using TEA 2025 IC.100 watts inverter circuit working and applications.Light Dependent Resistor, its types and applications.4 volts simple inverter project: explanation.How does entrepreneurship impact the economy.Non-Contact Voltage Detector by using transistor.Light Dimmer Circuit 1000 Watts Using BT139.DC Voltage Power Supply Using The LM317.Volts Booster Circuit Using Ferrite ore transformer.DC to AC Power Converter circuit feature working.
Simple Uninterruptible Power Supply (UPS) Circuits.
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