DUALITY AS GUIDE IN TRANSISTOR CIRCUIT DESIGN 

 Table I — Continued 



389 



(8 6) IDEAL TRANSFORMER OF 

 IMPEDANCE RATIO 1 : a2 



: a2 



(8b) IDEAL TRANSFORMER OF 

 IMPEDANCE RATIO 3^. 1 



(9a) IDEAL GYRATOR OF FORWARD 

 TRANSFER IMPEDANCE R 



e, = -RL2 

 62 = RLi 



(9b) IDEAL GYRATOR OF FORWARD 

 TRANSFER IMPEDANCE -P^/R 



'LJ<3 



e/= (r2/R)L2' 

 e2'=-(r2/R)L/ 



(10 a) ANY TWO-TERMINAL 

 NETWORK X 



(10b) THE SAME TWO -TERMINAL NET- 

 WORK, X, PLUS AN IDEAL GYRATOR 

 OF TRANSFER IMPEDANCE T 



I>CB 



i\]a) ANY THREE -TERMINAL 

 NETWORK N 



(lib) THE SAME THREE -TERMINAL NET- 

 WORK, N, PLUS TWO IDEAL GYRATORS 



-Jj^^^' 



(12 a) VACUUM TUBE TRIODE 



(12b) VACUUM TUBE TRIODE PLUS 

 TWO GYRATORS 



(13a) SUITABLE VACUUM TUBE TRIODE 



(13 b) TRANSISTOR PLUS IDEAL PHASE 

 REVERSING TRANSFORMER 



NOTE THAT (13b) AND (12 b) ARE EQUIVALENT 



(14a) ANY MID-SERIES TERMINATED 

 CONSTANT -k FILTER SECTION 

 OF DESIGN RESISTANCE R 



(14 b) THE SAME CONSTANT -k FILTER 

 SECTION MID-SHUNT TERMINATED 

 BUT WITH DESIGN RESISTANCE 

 CHANGED TO r2/R 



T 





OJW^f- 





