Version 4.1
SHEET 1 2152 756
WIRE 256 160 80 160
WIRE 304 160 256 160
WIRE 496 160 384 160
WIRE 512 160 496 160
WIRE 80 224 80 160
WIRE 512 224 512 160
WIRE 80 352 80 304
WIRE 512 352 512 288
WIRE 512 352 448 352
WIRE 448 368 448 352
FLAG 80 352 0
FLAG 448 368 0
FLAG 256 160 Vin
FLAG 496 160 Vout
SYMBOL cap 528 224 M0
SYMATTR InstName C1
SYMATTR Value 100n
SYMBOL res 400 144 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 200R
SYMBOL voltage 80 208 R0
SYMATTR InstName V1
SYMATTR Value AC 1.
TEXT -16 -128 Left 2 ;click on run\nthen click on Vout
TEXT -80 -264 Left 4 ;RC sine wave cct., frequency response.
TEXT 64 432 Left 2 !.ac dec 100 1 1Meg
TEXT 312 -120 Left 2 ;this plots the freq response Vout/Vin.\nthis circuit is a simple low pass filter, \nit passes anything below about 10khz.\nanything above 10khz is attenuated.\n \nyou could use this type of circuit to remove high freq noise\nbut to retain most of the audio signal.
TEXT -16 -168 Left 4 ;Instructions
TEXT 304 -168 Left 4 ;Description