Noise Source and Noise Measurement Basics

Frequency Reference Source - Clock Distributor

How a Tesla Coil Works

Signal to Noise Ratio, Noise Temperature and Noise Figure

Fundamentals of RF Power Sensors

Power Amplifier Linearity and Predistortion

Phase Noise Measurement using Cross-Correlation

Transformer and Magnetization Inductance

Blocking Oscillator - Vacuum Tube Oscillator

Chopper Phase Detector - Circuit Analysis

Impedance Converter Amplifier - Circuit Analysis

How an Amplifier works - amplifier with gain control

THD - Total Harmonic Distortion

Wien Bridge Oscillator with AGC and PLL

How to check if an operational amplifier is fake

Transistor differential Amplifier

Resistor Impedance at Microwaves

Microwave LNA Amplifier - Reverse Engineering

Received gifts - RF Components and Parts

Investigation on Signal noise and Spurious tones

Smith Chart Impedance Matching for RF Amplifier

Ham Radio SSB Processor with AVR Microcontroller

DSP Baseband Speech Processor for ham radio

433MHz Polyclass RF Amplifier for phased-array | HP 8505A VNA

Transistor Impedance Matching

Parametric Oscillator - Microwave Frequency Divider

The simplest BPSK DSSS Radio Beacon with SDR demodulation

Spread Spectrum Modulation and Demodulation

FSK Modulation and Demodulation

Costas Loop Demodulator