# Noise sim for pmc servo # Tara C, 2010_09_17 # # # r R41 49.9 n0 gnd l L1 20u n0 n1 r R42 470 n1 n2 c C4 82p n2 gnd r R40 9.09k n3 gnd r R2 9.09k n3 n4 c C46 5p n3 n4 # I'm not sure how to get AD602 to work so #n5 is removed for now #r R11 7.87k n5 n6 r R11 7.87k n4 n6 r R12 78.7k n6 n8 r R43 332 n6 n7 c C11 1u n7 n8 r R15 3.16k n8 n9 r R23 3.16k n9 n10 r R25 1.58k n10 n11 c C37 1u n11 gnd r R22 150k n10 n12 r R44 63.4k n12 n13 c Cpzt 0.23u n13 gnd r R14 121k n12 n14 r R13 2.49k n14 gnd #test points #r R17 100 n4 nR17 #r R45 100 n5 nR45 #r R46 100 n8 nR46 op ad797 ad797 n2 n3 n4 #op ad602 op00 n4 gnd n5 #ideal opamp for ad602 #ad602 will be back once I know #how to use it to increase the gain op op27 op27 gnd n6 n8 op pa85 pa85 gnd n10 n12 #input n0 output n13 uinput n0 1 # computing instructions freq log 0.01 1M 2000 # 0.01Hz to 1M Hz, 2000 steps # this line for plotting the transfer function uoutput n14:db:deg #fit pmc.out abs abs gnuterm x11 ## this will make a .pdf file gnuterm pdf