Educational and methodical material. The theoretical part. Questions for self-examination. Basic definitions.

Contents

1. General information about the devices to generate and signal conditioning

1.1. Purpose, scope and structure of devices for generating and formation of signals, the main technical requirements for them

1.2. Purpose, principles and basic energy characteristics of generators with external excitation

1.3. Static characteristics of generator tubes, bipolar and field-effect transistors

2. electric mode HBV. Influence of the basic parameters of the electric mode for energy performance HBV

2.1. Classification of electric modes HBV. The impact angle of the cut-off on the oscillating power and efficiency

2.2. Influence of tension on the vibrational mode power and efficiency. Load characteristics of HBV

3. Features of HBV transistors

3.1. The frequency characteristics of bipolar transistors

3.2. The equivalent circuit of the bipolar transistor

3.3. Features of bipolar transistors with a cut-off current

3.4. Properties and features of the HBV in FETs

3.5. Key modes of HBV. Key generator harmonic oscillations

4. The oscillator circuit with an external excitation

4.1. Interstage and output coupling circuit

4.2. Supply and displacement

4.3. Summation power electronic devices and HBV

5. The transmitters with amplitude modulation and single-sideband

5.1. Time dependence and spectral chart of amplitude-modulated oscillations

5.2. Energy performance and quality indicators in the AM

5.3. The means of implementation of the amplitude modulation

5.4. The formation and strengthening of a single-sideband modulation oscillations