G. F. Gusberti - Gusberti Analog

Effective Methods for Dielectric Constant Characterization in PCB Design

must be smaller O ChatGPT disse: This article explores three methods to determine a PCB’s effective dielectric constant by analyzing resonance and reflection peaks, enabling accurate permittivity extraction for design and simulation.

G. F. Gusberti

Feb 6, 2025

13 min read

A Simple 2nd Order Low-Pass Filter

Low-pass filtering is key for noise reduction, sensor averaging, and controller stabilization. This article introduces a second-order low-pass filter, adjustable via complex pole placement in the Z-plane for optimal resonance and Q factor.

G. F. Gusberti

Dec 21, 2024

8 min read

Characterization of Crystal Resonators

Crystal resonators are essential for high-stability oscillators, offering low cost, precision, stability, and low-power consumption. This article explores the extraction of their electrical parameters to optimize performance in electronic design.

G. F. Gusberti

Nov 23, 2024

8 min read

Loop Antenna Design

This study focuses on the design, construction, and evaluation of a 50 Ohm loop antenna for the 434 MHz band. Beginning with a full-wave round loop antenna, the design evolves into a 2:1 rectangular loop, with experiments conducted to assess prototype performance and the effects of material choices.

G. F. Gusberti

Nov 17, 2024

13 min read

BJT PN Junction Noise Source

Reverse biased base-emitter junctions are effectively used as noise sources,

G. F. Gusberti

Dec 19, 2023

7 min read