Around the time Ted’s project began, Rigol released their cheap spectrum analyzer, the DSA815. This thing only cost a thousand dollars. It was their first revision of the hardware, and it was ...

The spectrum analyzer feature is a crucial component of ... There are some limitations, but for the price it can’t be beat which will cost under $50 in parts unless you happen to need two ...

For example, whereas an oscilloscope would show total noise level, a spectrum analyzer would show the noise as related to frequency. Available in both analog and digital models, digital analyzers ...