Diy Rf Spectrum Analyzer

Diy rf spectrum analyzer. Build a high frequency portable spectrum analyzer using two filter ics. Originally conceived as a contest design submission by albert helfrick to rf design magazine back in january 1988. Posts about diy spectrum analyzer written by rlaude. The catv television tuner sold by mtm scientific inc can be used to build a spectrum analyzer for rf.

The spectrum analyzer will sweep the frequency range and report measured signal levels using serial port communication. Build a 1000 mhz rf spectrum analyzer inexpensively phillip torrone current. Slow scan rf spectrum analyzer using a catv tuner. The task here is to solder leds with similar colors on one side or column of the pcb and do the same for the others.

Start by soldering all the leds to one side of the pcb remember that there are 50 pieces of different colored leds to be soldered. Here we describe a project to scan the frequency range of 473 to 803 mhz. If you want to build your own home brew 1000 mhz spectrum analyzer you already have half of it completed. Make popular science hackaday engadget fallon braincraft.

The processors and displays are very expensive portions of modern spectrum analyzers and those functions can be replaced by your home computer. Spectrum analyzers projects category is a curation of 24 web resources on harmonic converter for spectrum analyzers spectrum lab spectrum analyzer tutorial and basics. The design fostered considerable interest among the amateur community around the globe in particular in the uk interest was such as to spurn on an improved version. By down converting in the analog domain and splitting the signals into discrete bands you.

I show how to make a cheap spectrum analyzer for 10 dollars. These are useful for directly connecting the output of a high power rf amplifier into a spectrum analyzer frequency counter or other piece of test equipment additional attenuation maybe required. That half is the computer you are using to read this. The circuit is based around a bird component products attenuator chip which are available from radio dan for 30 a piece.