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| View Original: | Tunnel diode amplifier graph.svg (1102x966) | |||
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| Keywords: Tunnel diode amplifier graph.svg tunnel diode amplifier circuit Tunnel diode amplifier svg showing how it amplifies a signal The current from the bias battery V<sub>b</sub> biases the diode into the center of its curve black where it has a negative differential resistance of r <font color red > red </font> The operating point and output voltage of the circuit v<sub>o</sub> is at the intersection of the tunnel diode curve and the resistor load line R <font color blue > blue </font> Since R < r if the two values are close in value the two resistances in series have a small negative value So a small increase in v<sub>i</sub> <font color green > green </font> moves the load line right resulting in a large decrease in current causing a large increase in v<sub>o</sub> The output is<br /> <math>v_o \frac r r - R v_i \ </math> 2012-09-30 13 03 39 own Chetvorno cc-zero Uploaded with UploadWizard Tunnel diode diagrams Negative resistance Device current-voltage characteristics | ||||
