What is the a-cutoff frequency for this transistor

Assignment Help Electrical Engineering

Reference no: EM131261757

A transistor has f_T = 500 MHz and β_F = 75.

(a) What is the β-cutoff frequency fβ of this transistor?

(b) Use Eq. (5.42) to find an expression for the frequency dependence of α_F - that is, αF (f). [Hint: Write an expression for β(s).] What is the α-cutoff frequency for this transistor?

Reference no: EM131261757

Questions Cloud

What is the reciprocal of the slope of logarithmic transfer : What is the reciprocal of the slope (in mV/decade) of the logarithmic transfer characteristic for an npn transistor in the common-emitter configuration at a temperature

Would they stay or move to a more suitable environment : Would they stay or move to a more suitable environment? What will happen to the rarer species? Will they cease to exist? Identify five plants and five animals that you feel would inhabit this warmer area.

What is the zener breakdown voltage for each diode : In the circuits in Fig. P5.9, the Zener breakdown voltages of the collector-base and emitter-base junctions of the transistors are 60 V and 5 V, respectively. What is the Zener breakdown voltage for each "diode" connected transistor configuration?

How is the toxicity of chemical determined : What are toxins? How is the toxicity of chemical determined? What are the pros and cons to using lab animals to determine the toxicity of chemicals?

What is the a-cutoff frequency for this transistor : Use Eq. (5.42) to find an expression for the frequency dependence of αF - that is, αF (f). [Hint: Write an expression for β(s).] What is the α-cutoff frequency for this transistor?

Are biofuels a reasonable substitute for fossil fuels : Are biofuels a reasonable substitute for fossil fuels? Write three page, double-spaced paper that defends the Yes position . cite the source(s) of your information and include a list of references.

Does method have a societal marketing orientation : Does Method have a societal marketing orientation, or is it just a marketoriented company that integrates a number of environmental practices into its operations? Explain.

Write a user defined function : Write a user-defined function with function call m = midpoint_ seq(a,b,tol) where a and b are constants such that a 2of [a, m1], then the midpoint m3 of [a, m2], and so on.

What is the current in the resistor in each circuit : What is the current in the resistor in each circuit? (Hint: The equivalent circuits for the transport model equations may help in visualizing the circuit.)

User Account

All Pages