BJT Differential Amplifier in Circuitikz.... Again, Couldn't Think of a Better Title

  1 \documentclass[margin=10pt]{article}                                            
  2 \usepackage[siunitx]{circuitikz}                                                
  3 \begin{document}                                                                
  4 \begin{tikzpicture}[scale=2]                                                    
  5     \draw[color=black, thick]                                                   
  6     (0,0.12) to (1,0.12)                                                        
  7     (1,0.5) node[npn,rotate=180,yscale=-1](n1) {}                               
  8     (0,0.5) node[npn,rotate=0](n0) {}                                           
  9     (0.5,-0.9) to [R,-] (0.5,0.11)                                              
 10     (0.5,-0.9) node[ground]{}                                                   
 11     (0,0.8) to [R,-] (0,1.8)                                                    
 12     (1,0.8) to [R,-] (1,1.8)                                                    
 13     (0,1.8) to (1,1.8)                                                          
 14     (0.5,1.8) to (0.5,1.9)                                                      
 15     (0.25,1.9) to (0.75,1.9)                                                    
 16     ;                                                                           
 17 \end{tikzpicture}                                                               
 18 \end{document}