Analysis, Design

And Theory

And Theory

Analysis

Analysis and Applications of the Capacitive Transformer by Ramon Vargas

DC Analysis Examples

BJT Biasing Techniques (External link)

Boolean Algebra Examples (External link)

Colpitts Oscillator

Frequency Response of Amplifiers

James-Baxandall Passive Tone Control Network by Ramon Vargas

Predicting Thermistor Resistance by Ron J

Transmitter Distance

Design

Analogue Coupling Circuits

BJT Configurations

BJT Configurations 2

Design of A Regenerative Receiver for Short Wave Part 1 by Ramon Vargas

Design of A Regenerative Receiver for Short Wave Part 2 by Ramon Vargas

FET Amplifiers

FET Configurations

BJT Bias Circuits

Negative Feedback in amplifiers by Lazar Panic

Transistor as a Switch

Op-amp Tutorial by Tony Van Roon (external link)

Over Voltage Protection

Removing "DC thump" from Audio Circuits

Switch Contact De-Bouncing

555 Timer Tutorial by Tony Van Roon (external link)

Unregulated Power Supply Design

Wien Bridge Oscillator Design by Ramon Vargas

Q Multiplication in the Wien Bridge Oscillator by Ramon Vargas

Voltage Comparator and Q Multiplier make a stable Sine Wave Oscillator by Ramon Vargas

Stereo Cross Feed Network for Headphones (PDF format) by Peter Lehmann

Stereo Cross Feed Network for Headphones (MS Word format) by Peter Lehmann

Theory

Antenna Theory

Basic DC Theory

AC Theory

BJT Hybrid Model

Computing RF Choke Effects in the Loop Gain of an Armstrong-type SW Regenerative Receiver by Ramon Vargas

Diode Charge Pump AM-FM Demodulators by Ramon Vargas

Heat Sinks for Transistors (external link to Kelsey Park School)

Measuring Input Output Impedance

Low Noise Design Techniques

Optimization of the Signal Voltage of a Selectivity Enhanced Germanium Detector by Ramon Vargas

Ohms Law for AC Circuits

Oscillations and Regenerative Amplification using Negative Resistance Devices by Ramon Vargas

Radio Calculations by Harry Lythall (external link)

Reduction of Detector Diode Losses in a Crystal Radio by Ramon Vargas

RC Phase Shift Oscillators by Ramon Vargas

Thevenin and Norton Networks

Tuned Circuits

Thevenin to Norton Conversion

DC Analysis Examples

BJT Biasing Techniques (External link)

Boolean Algebra Examples (External link)

Colpitts Oscillator

Frequency Response of Amplifiers

James-Baxandall Passive Tone Control Network by Ramon Vargas

Predicting Thermistor Resistance by Ron J

Transmitter Distance

Design

Analogue Coupling Circuits

BJT Configurations

BJT Configurations 2

Design of A Regenerative Receiver for Short Wave Part 1 by Ramon Vargas

Design of A Regenerative Receiver for Short Wave Part 2 by Ramon Vargas

FET Amplifiers

FET Configurations

BJT Bias Circuits

Negative Feedback in amplifiers by Lazar Panic

Transistor as a Switch

Op-amp Tutorial by Tony Van Roon (external link)

Over Voltage Protection

Removing "DC thump" from Audio Circuits

Switch Contact De-Bouncing

555 Timer Tutorial by Tony Van Roon (external link)

Unregulated Power Supply Design

Wien Bridge Oscillator Design by Ramon Vargas

Q Multiplication in the Wien Bridge Oscillator by Ramon Vargas

Voltage Comparator and Q Multiplier make a stable Sine Wave Oscillator by Ramon Vargas

Stereo Cross Feed Network for Headphones (PDF format) by Peter Lehmann

Stereo Cross Feed Network for Headphones (MS Word format) by Peter Lehmann

Theory

Antenna Theory

Basic DC Theory

AC Theory

BJT Hybrid Model

Computing RF Choke Effects in the Loop Gain of an Armstrong-type SW Regenerative Receiver by Ramon Vargas

Diode Charge Pump AM-FM Demodulators by Ramon Vargas

Heat Sinks for Transistors (external link to Kelsey Park School)

Measuring Input Output Impedance

Low Noise Design Techniques

Optimization of the Signal Voltage of a Selectivity Enhanced Germanium Detector by Ramon Vargas

Ohms Law for AC Circuits

Oscillations and Regenerative Amplification using Negative Resistance Devices by Ramon Vargas

Radio Calculations by Harry Lythall (external link)

Reduction of Detector Diode Losses in a Crystal Radio by Ramon Vargas

RC Phase Shift Oscillators by Ramon Vargas

Thevenin and Norton Networks

Tuned Circuits

Thevenin to Norton Conversion