Basic Principle of Transmitter , Receiver
SSB
Amplitude Modulation
nonlinear
USB & LSB
bandwidth
Demodulator
Selectivity
noise
Angle
Frequency Deviation
Bandwidth
Electromagnetic Field
Electromagnetic Field
Wire
Electric and Magnetic Field
Current
Field
Electromagnetic Field
u (3x108 m/s)
Frequency
Parameter
Parameter
Amplitude
Amplitude Modulation
Amplitude Modulation
Analog Multiplication
Chopping
Non-linear Device Modulation
Tuned Circuit Modulation
AM Detection
Current
Field
Field
Phase
AM Detection
Synchronous Detection
Synchronoous Detection
Carrier Frequency
Frequency
Sine Wave Frequency
AM Signal
Result Voltage
Filter
Envelope Detection
AM Wave
Envelope
Information
AM Signal
Diode
Half Wave Rectify
High Frequency Carrier
Component
Signal
Detection
(Filtering)
Diode
 RC Filter
Envelope Detector
Principle of Envelope Detection
AM
AM
AM Wave
Carrier Frequency
AM Signal
Bandwidth
Signal
Bandwidth
AM
FM
AM Wave
AM Wave
FM Wave
AM Wave
AM Signal
Carrier Frequency
Signal
Bandwidth
Bandwidth
AM
Carrier
FM Wave
FM Wave
Band Frequency
FM Signal
FM Wave
Lower Side Band Frequency
Frequency
Carrier Frequency
Bandwidth
Power
Wave
Upper Side
Infinite
Tuner
Antenna
Frequency
Center Frequ- ency
Radio Frequency
Pick Up
Station
Band Pass Filter
Tuner
VCO
VCO
Voltage Contorl Oscillator
VCO
DC (or) Low Frequency
AC (or) Current
Oscillation Frequency
Circuit
VCO
Resonant Circuit Capacitor
Voltage Variable Capacitance Diode (VVC)
VVC
Capacitance
Voltage
Synchronous Detection
Synchronous Detection
Sine Wave Frequency
Voltage Filter
SSB
SSB
Carrier Frequency
AM Signal
Frequency
AM Demodulation
Double Side Band (DSB)
Frequency
Side Band
Information
Efficiency
SSB (Single Side Band)
Carrier Frequency (fc) = 7 MHz
Upper Side Band = fc + fm = 7 MHz + 0.001 MHz = 7.001 MHz
Lower Side Band = fc _ fm = 7 MHz _ 0.001 MHz = 6.999 MHz
Result
Pulse Communication
Pulse Communication
Continuous Wave
AM FM
Continuous Signal
Sample
Sample
Continuous
Signal
discrete
signal
Pulse Communication
Analogue Pulse
Communication System
Digital Pulse Communication System
Sample
Analogue Pulse Communication
Systems
Signal
Sample
Amplitude
Digital
Pulse Communication Systems
Amplitude
Analogue and Digital Pulse Communication
Analogue Pulse Communication
Modulation
Pulse amplitude modulation
Pulse width (or duration) modulation
Pulse position modulation
Digital Pulse Communication
Modulation
Pulse code modulation (PCM)
Differential PCM
Delta modulation
Time Division Multiplexing
Modulation
SSB Receiver
AM Receiver
Detection
SSB Receiver
AM Receiver
Detection Circuit
SSB Signal
Detection
Diode Detector
Envelope Detector
Detect
Diode Detector
Constant DC Voltage
Modulating Frequency
Output Voltage
SSB Signal
Detection
Product
Detector
Balanced Modulator
Detector
Modulator
Input Signal
Frequency
Input Frequency
Signal
Phase
DC
Balance Modulator
Phase Detector
Input Signal
Frequency
Phase
Voltage
Input Voltage Amplitude
Modulator
AM
Detector
Product Detector
Detector
Output
Voltage
Output
Blanced
Detector