Category: Electronics

2

A simple voice detector circuit

Voice detector can find it’s use in voice-activated circuits. For example, triggering a transmitter or enabling a speech processor and so on. At the end of this blog post, we will look at one...

1

RF Pulse generation with RF switch

Remember the previous post where we generated PWM? We are going to use the PWM output from the TivaC microcontroller and drive an RF switch. I will be using the Minicircuits HSWA2-63DR+ SP2T switch...

5

Getting VHF station up and running

Days after clearing the ASOC examination, I finally got an official callsign – VU3XEN. The callsign would be useless if I have no means of communication. This post is going to be really short...

LNA silicon images 2

Radar on a chip – Shrinking Radars!

Whenever we hear the word “Radar”, a picture comes to mind with a rotating line across a circular display with a few objects moving here and there. This is a general perception of radars...