1. The tunnel diode can also be used as a low-noise microwave amplifier. 2. Tunnel diodes are also more resistant to ionizing radiation than other diodes.3. A lambda diode therefore cannot replace a tunnel diode directly. 4. Lambda diodes work at higher voltage than tunnel diodes . 5. It uses tunnel diodes , which utilize quantum mechanics theory, to amplify those very low signals. 6. Examples are gas-discharge tubes, tunnel diodes , and Gunn diodes. 7. The discontinuity caused by negative resistance devices ( such as tunnel diodes ) can also be seen. 8. Tunnel diodes are usually made from germanium, but can also be made from gallium arsenide and silicon materials.9. Practical tunnel diodes operate at a few milliamperes and a few tenths of a volt, making them low-power devices. 10. In the 1960s, Rochester continued to work at IBM, directing cutting edge research in cryogenics and tunnel diode circuits.
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