Noel Maginnity is a consultant in Carterton, New Zealand. An alternative audio program input is often required at a medium-wave transmission site. During STL maintenance or if the STL fails, it is ...
This audio noise filter circuit is a bandpass filter for audio frequency band. It filters unwanted signals that are lower or higher than the audio frequencies. It has 2 filters: a low pass filter and ...
Toroidal inductors can be used in passive-filter and equalizer circuits in the VHF range. Although SAW filters have taken over many bandpass filter applications, LC ...
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