What kind of filter does it give, and what is the resistance values we consider to calculate it?
K Thread Starter kvsingh21 Joined Apr 15, 2008 63 Apr 27, 2008 #1 What kind of filter does it give, and what is the resistance values we consider to calculate it?
Audioguru Joined Dec 20, 2007 11,248 Apr 27, 2008 #2 Like any other RC filter its effect is calculated as 1 divided by pi times R times C. It creates a highpass filter. High frequencies have full gain and low frequencies and DC have a lower gain.
Like any other RC filter its effect is calculated as 1 divided by pi times R times C. It creates a highpass filter. High frequencies have full gain and low frequencies and DC have a lower gain.
K Thread Starter kvsingh21 Joined Apr 15, 2008 63 Apr 27, 2008 #3 Thanks for the reply. What resistance value do we actually use to calculate the capacitor value? For eg say from the below circuit
Thanks for the reply. What resistance value do we actually use to calculate the capacitor value? For eg say from the below circuit
JoeJester Joined Apr 26, 2005 4,390 Apr 27, 2008 #4 My eyes must be real bad. That schematic doesn't have an Emitter bypass capacitor.
K Thread Starter kvsingh21 Joined Apr 15, 2008 63 Apr 28, 2008 #5 JoeJester said: My eyes must be real bad. That schematic doesn't have an Emitter bypass capacitor. Click to expand... I know. I want to add it, but i dont know what resistor value to use to calculate it. Btw lower cutoff frequency is 4oHz, and Upper cutoff is 1MHz.
JoeJester said: My eyes must be real bad. That schematic doesn't have an Emitter bypass capacitor. Click to expand... I know. I want to add it, but i dont know what resistor value to use to calculate it. Btw lower cutoff frequency is 4oHz, and Upper cutoff is 1MHz.