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You can find the value of pi in Google.And may I know what is 'pi' and its value while calculating? Please
Every coupling capacitor has a resistor load to ground and forms a highpass filter.I learnt about more about cutoff frequency (fc) of capacitor.... BUT...where is the 10K load resistor to ground (series with 330nF) on Mod 4 to form High Pass Filter?
Attenuator A shorts the signal which might overload the signal source. Attenuator B is a volume control.I found two type of attenuator stage for FM (attenuator B) and for MP3 (attenuator A), look at schematic. What is the difference and its difference application among them?
Yes, our hearing's sensitivity to loudness is logarithmic then we can hear a very wide range of loudness from a whisper to a nearby jet airplane.Another, I found a sentence- "our ears perceive sound in a logarithmic fashion." Also you said about this once. What they mean?
You cannot make a transistor with two diodes.Hi, a simple thing still confusing me.