module V_ctrl_pwl_limited_amp(in,ctrl,out);
 input in,ctrl;
 output out;
 voltage in,ctrl,out;

 parameter real vin_offset = 0,         // input dc offset
                vctrl_offset = 0,       // ctrl dc offset
                vout_offset= 0,         // output dc offset
                gain       = 1,         // amplifier gain
                vout_max   = 10,        // max. output voltage
                vout_min   = -10 from (-inf:vout_max);
                                        // min. output voltage

 real vout;

 analog
 begin
   vout =  gain * (V(ctrl)-vctrl_offset)
                * (V(in)-vin_offset) + vout_offset;
   @(cross(vout-vout_max)) discontinuity(1);
   @(cross(vout-vout_min)) discontinuity(1);

   if (vout > vout_max)   vout = vout_max;
   else
     if (vout < vout_min) vout = vout_min;

   V(out) <+ vout;
 end

endmodule