— ^" — ] 



1/2-thick 1 



i^. 



3/4 -• •1/2-1 



4-1/8 

 ■ 3-7/16 



1^ 1-15/16 







3 1/2 ^Ns^ 



3-9/16 \. 

 - 2-6/8 \^ 



1/2-thick 





2-11/16 \ 

 H- 3^/16 "'« ^ 



2-13/16 N 



\ 





6 \ 



"% 



ps/J 



1-3/4 / 





L 



|»-113/16 



\ 





f - 1 



Figure 3. Sketch of the experimental amplifier. 



31 



