Gregory Frizon Gusberti

Gregory Frizon Gusberti

Transistor Capacitance Neutralization

In the vacuum tube era and in the early days

Regenerative Frequency Divider

This test project started as a study of the work

Frequency Multiplier with PIN diode

In this article we are going to discuss and prototype

Overtone Crystal Oscillator

Oscillation at an overtone frequency allows a crystal oscillator to

BJT Active Mixer Experiments

In this post, we are going to review and understand

Wideband VHF VCO

In this post we are going to take a look

Discussion about gyrator oscillator and NIC

Hey guys, I'm creating this thread to archive

JIG for LCR - Zener and Varicap capacitance measurement

Sometimes when designing low frequency VCOs for HF and VHF

Frequency Multiplier using CMOS gates

There are many ways to accomplish frequency multiplication in analog

OpAmp with gain switch

Many times it is necessary to switch the gain of