.PS
include(libcct.m4)
cct_init

# Usual defs...
qrt=dimen_/4;
hlf=dimen_/2;
dim=dimen_;

Op1:opamp(right_,,,,P)
line right_ hlf
" $v_o$" ljust_
line from Op1.In1 left_ qrt
resistor(left_); rlabel(,R_1,)

move down_ 1.5*dim 
ground(,T)
source(up_,AC); llabel(,v_i,)
line up_ hlf
line from Op1.In2 left_ qrt

move down_ dim
ground(,T)
source(up_,V);llabel(,5V,)

move to Op1.In1 then left_ qrt
dot; line up_ hlf then right_ qrt
resistor(right_); llabel(,R_2,)
line right_ qrt 
line to (Here, Op1.Out);dot

"\tiny VirtualStuffUp" at (1.5*dim, -1*dim) rjust_ 
.PE