Microwave Harmonic Generation and Nanosecond Pulse Generation with the Step-Recovery Diode

Fig. 3. Step Recovery Diodes in glass and ceramic packages. Ceramic pack age is designed to be especially useful u-ith coaxial structures but can also be used in other ways as in Fig. 8. h p ' s a f f i l i a t e , h p a s s o c i a t e s , w a s e s t a b l i s h e d f o u r y e a r s a g o t o p e r f o r m r e s e a r c h , d e v e l o p m e n t a n d m a n u f a c t u r i n g i n t h e s e m i c o n d u c t o r f i e l d . A f t e r b e g i n n i n g w i t h t h e d e v e l o p m e n t o f s p e c i a l i z e d s i l i c o n , g e r m a n i u m , a n d g a l l i u m a r s e n i d e d i o d e s , h p a h a s g o n e o n t o a c h i e v e i n d u s t r y l e a d e r s h i p i n m e t a l o n s e m i c o n d u c t o r ( " h o t c a r r i e r " ) t e c h n o l o g y a n d i s c o n t r i b u t i n g t o t h e a d v a n c e o f t h e a r t i n o p t o e l e c t r o n i c s a n d s o l i d s t a t e m i c r o w a v e d e v i c e s . O n e o f h p a ' s d e v e l o p m e n t s h a v i n g g e n e r a l i n t e r e s t t o d e s i g n e n g i n e e r s i s t h e S t e p R e c o v e r y D i o d e . T h i s d e v i c e h a s m a d e p o s s i b l e a d v a n c e s i n f a s t p u l s e w o r k a n d i s u n i q u e a s a n e f f i c i e n t g e n e r a t o r o f h i g h o r d e r h a r m o n i c s . T h e s e c a p a b i l i t i e s a r e d e s c r i b e d i n t h e f o l l o w i n g a r t i c l e .