DSP Audio Filter For Android
The DSP Audio Filter is a tool that enables you to filter frequencies from an audio spectrum by using your cell phone’s microphone. This app was originally programmed for Ham…
Ham Radio, Fun Facts, Open Source Software, Tech Insights, Product Reviews
The DSP Audio Filter is a tool that enables you to filter frequencies from an audio spectrum by using your cell phone’s microphone. This app was originally programmed for Ham…
1. Why are Switched Mode Power Supplies (SMPS) associated with radio interference? Switched mode power supplies (SMPS) employ high frequency switching and thus, are a source of radio interference, a…
A duplexer is a device that allows bi-directional (duplex) communication over a single channel. In radar and radio communications systems, it isolates the receiver from the transmitter while permitting them…
Cavity filters are the basic circuitry behind a Duplexer and are sharply tuned resonant circuit that allow only certain frequencies to pass. Generically, filter of this kind are known as…