During the first half of the 20th century radio technology was booming, albeit restricted by the vacuum tube technology of the time which made radios cumbersome in size and power needs. The ...

This discovery was simply a scientific curiosity until another discovery at Texas Instruments revealed infrared light emissions from a tunnel diode constructed from a gallium arsenide substrate.

WEEK 8: Tunnel devices: tunnel diode, backward diode, MIS tunnel diode, MIS switch diode, MIM tunnel diode, tunnel transistor. WEEK 9: IMPATT and related transit-time diodes: static characteristics, ...