Low frequency crystal oscillator

Such supplies are often realised with dedicated integrated circuits nowadays but it's still interesting to give a look at old designs to understand the basics. The description outlines the evolution of power supply designs in electronics, emphasizing the transition from...

Switchable Output Crystal Oscillator Circuit. This oscillator circuit allows crystals to be electronically switched using logic commands. The circuit is best understood by initially ignoring all crystals. Furthermore, assume that a... The switchable output crystal oscillator circuit is designed to...

Parasitic input capacitance (ICi) is 3pF for LM5S, LF156, and LF157, along with any additional layout capacitance. This interacts with the feedback element and creates undesirable high-frequency effects. To mitigate this, a capacitor (C2) should be added in conjunction...

The following schematic illustrates a Crystal Radio Receiver Circuit Diagram that incorporates audio frequency (AF) amplification utilizing a Germanium transistor. The inclusion of AF amplification enhances the audio output quality. The Crystal Radio Receiver Circuit is a simple yet effective...

In this configuration, the NE602 serves as a frequency converter in a superheterodyne front-end setup. L1 and L2 form a broadband toroidal transformer, although a tuned transformer may also be utilized. The supply voltage ranges from +5 to +9...

This crystal oscillator is a FET equivalent of a vacuum tube tuned to a plate-tuned grid crystal oscillator. Feedback is achieved through the drain to gate capacitance. The described crystal oscillator utilizes a Field Effect Transistor (FET) to replicate the...