Transcription of CHAPTER 4 RF/IF CIRCUITS - Analog Devices
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CHAPTER 4 RF/IF CIRCUITS - Analog Devices
RF/IF CIRCUITS CHAPTER 4 RF/IF CIRCUITS INTRODUCTION SECTION : MIXERS THE IDEAL MIXER DIODE-RING MIXER BASIC OPERATION OF THE ACTIVE MIXER REFERENCES SECTION : MODULATORS SECTION : Analog MULTIPLIERS REFERENCES SECTION : LOGARITHMIC AMPLIFIERS REFERENCES SECTION : TRUE-POWER DETECTORS SECTION : VARIABLE GAIN AMP
BASIC LINEAR DESIGN 4.2 The basic concept of operation is as follows. For the receiver, the signal from the antenna is amplified in the radio frequency (RF) stage. The output of the RF stage is one input of a mixer. A Local Oscillator (LO) is the other input. The output of the mixer is at the Intermediate Frequency (IF).
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