The project is using an inexpensive LCD oscilloscope for the display of spectrum analyzer. The project is using an inexpensive LCD oscilloscope for the display of spectrum analyzer. An LCD maybe very ...

[El Artis] just finished building an audio spectrum analyzer that uses a character LCD. The uses an Arduino to drive the display, but unlike other meters that use the microcontroller for analysis, [El ...

[Camilo] built a spectrum analyzer to use with his audio system (translate). The hardware is quite simple, using an op-amp, microcontroller and LCD display. He chose an LMV324M low-voltage op-amp ...

In the Model 401A instrument, the industry is said to have its first handheld, battery-operated spectrum analyzer. The palm-size 401A Personal Spectrum Analyzer spans a 1- to 1,024-MHz frequency range ...