A low pass filter is made using a 50 pF capacitor and a 6 kΩ resistor...
A low pass filter is made using a 50 pF capacitor and a 6 kΩ resistor
- Draw the circuit
- What is the critical frequency of the filter in Hz?
- What is the attenuation of a 500 Hz signal?
- What is the attenuation of a 50 kHz signal?
- What is the 50 kHz attenuation in dB?
Homework Answers
The frequency at which the output voltage is 0.707 times the Input voltage ,is called the cut of frequency.
From the circuit ,By voltage division Rule:
if we put
so 
so putting all the values in Equation(i)
Attenuation is defined as the loss of input signal in the transmission
So using equation (i)
So
at f=50kHz
Note:
the base of the log is 10.
Add Answer to:
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