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The Amplifier Gain of Tunnel Diode is defined as a measure of the ability of an amplifier to increase the amplitude of a signal from input to output port by adding energy converted from power supply to signal. It utilizes the negative resistance property of tunnel diodes.
The calculator uses the formula:
Where:
Explanation: The formula calculates the amplifier gain based on the negative resistance property of tunnel diodes and the load resistance in the circuit.
Details: Accurate calculation of amplifier gain is crucial for designing and analyzing tunnel diode amplifier circuits, ensuring proper signal amplification and circuit stability.
Tips: Enter negative resistance (Rₙ) and load resistance (R_L) in ohms. Both values must be positive, and Rₙ must be greater than R_L for valid results.
Q1: What is negative resistance in tunnel diodes?
A: Negative Resistance in Tunnel Diode is a property that causes the voltage across the device to increase while the current through it initially decreases rather than increasing.
Q2: Why must Rₙ be greater than R_L?
A: For the amplifier to function properly and provide gain, the negative resistance must be greater than the load resistance to maintain circuit stability.
Q3: What are typical values for tunnel diode parameters?
A: Negative resistance values typically range from a few ohms to several hundred ohms, depending on the specific tunnel diode characteristics.
Q4: Can this calculator be used for other diode types?
A: No, this formula is specific to tunnel diodes due to their unique negative resistance characteristics.
Q5: What applications use tunnel diode amplifiers?
A: Tunnel diode amplifiers are used in high-frequency applications, microwave circuits, and oscillators where their negative resistance properties are advantageous.