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2 km FM Transmitter Circuit Diagram, Working and Applications
https://electronicshub.org/fm-transmitter-circuit/
FM Transmitter Circuit Design: Design of Audio Pre-amplifier: Here we are designing a simple single stage common emitter amplifier as the pre-amplifier. a) Selection of Vcc: Here we have selected the NPN Bipolar Junction Transistor, BC109. Since V CEO for this transistor is around 40V, we choose a much lesser Vcc, of about 9V.
IR Based Wireless Audio Transmitter and Receiver : 6 …
https://www.instructables.com/IR-Based-Wireless-Audio-Transmitter-and-Receiver/
Designing a simple IR Audio Link Circuit would not be beneficial when compared to the existing technologies but it surely will be a learning experience about the wireless audio transfer. The reason for not being beneficial is the fact that unlike Bluetooth, IR is line-of-sight communication i.e. both the transmitter and receiver must always face each other without any obstacles.
Simple FM Transmitter Circuit Diagram and Making It on ...
https://circuitdigest.com/electronic-circuits/how-to-build-fm-transmitter-circuit
Required Components for FM Transmitter Circuit. The following components are required to build this FM Transmitter Project: 2n2222 NPN Transistor x2; Condenser mic/ audio jack or any other Audio Input part; 100nf Ceramic capacitor x1; 10nf ceramic capacitor x1; 4 pf ceramic capacitor x1; 100 ohms resistor x1; 10k resistor x 3; 1k resistor x 1; 100k resistor x1
ECE 4760 Final Project: Laser Audio Transmitter
https://people.ece.cornell.edu/land/courses/ece4760/FinalProjects/s2009/dyz2_jl589/dyz2_jl589/index.html
The transmitter is broken down into three circuits. The first circuit, which is similar to the receiver end, is the laser audio transmission circuit. This transmitter works by modulating the amplitude of the laser based on the amplitude of the audio signal that we are trying to transmit. The audio, which is fed to the circuit through a standard 3.5mm audio jack, is sent to an adder circuit.
Transmitter Electronic Circuits or Designs
http://www.discovercircuits.com/T/transmitter.htm
1 Watt Four Stage FM Transmitter - This FM transmitter circuit uses four radio frequency stages: a VHF oscillator built around transistor BF494 (T1) , a preamplifier built around transistor BF200 (T2) , a driver built around transistor 2N2219 (T3) and a power amplifier built around transistor 2N3866 (T4). A condenser microphone is connected at the input of the oscillator.
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