Receivers
Course Guide Topics
Purpose
Essentials
Superheterodyne Receiver
Double Conversion Superheterodyne
RF (Radio Frequency) Amplifier
Local Oscillator
Mixer (1)
Mixer (2)
IF Amplifier
IF Filter
Detector (Demodulator)
Product Detector
FM Detector
Audio Amplifier
Automatic Gain Control (AGC)
S Meter
Squelch
Receiver Characteristics Adjacent Channel Selectivity
Receiver Characteristics S/N ratio
Receiver Characteristics Dynamic Range
Receiver Characteristics Image Frequency (1)
Receiver Characteristics Image Frequency (2)
Receiver Characteristics Noise Figure/Factor
Receiver Characteristics Stability
Receiver Characteristics Densensitization
Receiver Characteristics Intermodulation
Receiver Characteristics Cross-modulation
SSB/CW Receiver
FM Receiver
Transverter
Mixer (2)
ƒ
IF
= [ƒ
osc
– ƒ
sig
]
Difference of two frequencies
455 kHz = 7455 – 7000 kHz
Course Guide Topics
Purpose
Essentials
Superheterodyne Receiver
Double Conversion Superheterodyne
RF (Radio Frequency) Amplifier
Local Oscillator
Mixer (1)
Mixer (2)
IF Amplifier
IF Filter
Detector (Demodulator)
Product Detector
FM Detector
Audio Amplifier
Automatic Gain Control (AGC)
S Meter
Squelch
Receiver Characteristics
Adjacent Channel Selectivity
Receiver Characteristics
S/N ratio
Receiver Characteristics
Dynamic Range
Receiver Characteristics
Image Frequency (1)
Receiver Characteristics
Image Frequency (2)
Receiver Characteristics
Noise Figure/Factor
Receiver Characteristics
Stability
Receiver Characteristics
Densensitization
Receiver Characteristics
Intermodulation
Receiver Characteristics
Cross-modulation
SSB/CW Receiver
FM Receiver
Transverter