Generic Buffer Circuit
Here's a description of how a buffer works in a simple radio transmitter. In this case we use an N-channel JFET as the active component.

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Crystal Oscillator Circuit

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Single Supply Transistor Buffer

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ECE3400 L42: Introduction to JFETs (Analog Electronics, Georgia Tech course)

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Why Do Buffers Matter In A Circuit?

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Topic 43: JFET Small Signal Amps

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Op Amp Amplifier with Electronic Gain Control: How does it work?

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TTT136 Class A Transistor Amplifiers Pt1

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EEVblog #600 - OpAmps Tutorial - What is an Operational Amplifier?

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Exploring How JFETs (Junction Field-Effect Transistors) Work! - DC to Daylight

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Biasing transistors with current sources (29-Transistors)

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How to Use a JFET as a Buffer in a Guitar Distortion Pedal - DC To Daylight

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Explore Working Applications of 8 Different Op-Amp Circuits - DC To Daylight

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Small Signal Amplifiers

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PNP Amplifier Examples (21-Transistors)

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Junction Field Effect Transistor (JFET) introduction and characteristics PT1

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Operational Amplifiers No 11 Oscillator

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Decoupling Capacitors - Simply Put

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Op Amps: The Operational Transconductance Amplifier (OTA)

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Why do Junction Transistors Amplify Current and not Voltage

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