Binary Phase Shift Keying (BPSK) is a simple and efficient digital modulation technique widely used in communication systems to transmit binary data over a carrier signal. By shifting the phase of the carrier wave, BPSK effectively encodes the binar…
Phase Shift Keying (PSK) is a popular digital modulation technique widely used in wireless communication systems. Among its variations, Binary Phase Shift Keying (BPSK) is the simplest form, where the phase of a carrier signal is shifted based on di…
In Integrated Circuit(IC) technology, a commonly encountered AM modulator circuit is the differential multiplier based on the Gilbert cell. The Gilbert cell is an adaptable circuit with diverse applications, including its utilization as a balanced A…
SSB(Single Sideband) Modulation is AM modulation method wherein a single sideband is transmitted to conserve transmission bandwidth. There are two methods to for SSB modulation: frequency discrimination method and phase discrimination method. In SS…
Reactance modulator are RF modulators that changes the reactance of a transistor in accordance with the input modulating signal. Such reactance modulator when connected to oscillator circuit such as Hartley oscillator or Colpitts oscillator or Pie…
In the field of electronics, the Balanced Modulator Circuit for Double-Sideband Suppressed Carrier Amplitude Modulation (DSB-SC AM) is a vital component for communication systems. It is a technique used to transmit information over long distances, …
AM modulator is an electronics circuit that impresses message signal or modulating signal onto a carrier signal. In AM modulator, the high frequency carrier signal amplitude is varied in accordance with the message signal amplitude which has lower …
Frequency Modulation (FM) is a widely used modulation technique in communication systems due to its resilience to noise and distortion. FM is a type of modulation that varies the frequency of a carrier signal in proportion to the amplitude of a mod…
An RF (radio frequency) mixer is an electronic device that is used to combine two or more input signals to produce a new output signal at a different frequency. This process is known as frequency mixing or heterodyning. RF mixers are used in a wide…
Beat Frequency Oscillator(BFO) is an electronic oscillator used in the radio receiver to generate audio frequency signal. The incoming RF signal such as continuous wave Morse code signal or single side band(SSB) AM signal are mixed with the signal …
The MC1496 IC(Integrated Circuit) is modulator/demodulator and mixer that outputs voltage that is the product of modulating signal and the carrier signal. Often we want to simulate how the RF mixer or modulator works with electronics design softwar…
Here AM radio communication system simulation is illustrated in Proteus. The radio communication system is designed using the MC1496 balanced modulator demodulator. In the demonstration, a message tone signal and AM modulated and sent from the tra…
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