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Module Lab Exercise: Determine Beta for BJTs
Wire the circuit shown, with Rc = 470 ? and Q = 2N3904
? Record Ib and Ic in the table below for the given values of RB
? Calculate the base current IB from (9 V - Vbe)/RB
RB
Ib
Ic
Vbe
Vce
Beta
1M?
470K?
200K?
100K?
47K?
? Start with RB = 1 Mohm, then continue with the RB values.
(A) Squeeze the transistor between your fingers to raise the case temperature, record any change in collector current.
(B) Put a piece of ice in a plastic bag and hold it on the transistor to reduce the case temperature, record any change in collector current.
? Describe your perception of the relationship between Beta and case temperature.? Describe the behavior of Beta vs Ic.
Calculate the recycle flow, Qr, required. (8710 GPD). Calculate the F/M ratio in lbs BOD/lbs SS - day (0.55 lb BOD/lb SS-day). Calculate the BOD Loading in lbs BOD/day - 1000 ft3 (95.6).
Discuss why analog design and in particular op amp design is a fundamental skill that will be required far into the future.
Determine the required airflow for diesel dilution at the face of the heading if the requirement is for 0.05 m3/s of air per kW of diesel power and what is the total development airflow
What are the limitations of sedimentation analysis?
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Calculate the surface area and depth of an "ideal" settling tank to remove all 10um spherical particles (SG = 2.65) from 1000 m3 of wastewater per day and provide a detention time.
Requires the determination of a sized design layout of an aircraft concept to meet a given mission specification.
To become familiar with enabling internal pull-up resistors and reading an input port. To learn how to wait for a pushbutton press
1. Given an arithmetic equation or data conversion, develop an assembly-language algorithm to implement the correct sequence of operations. 2. Learn how to design assembly-language programs that require decision logic in order to accompli..
Determine from the Shields diagram whether or not sediment transport will occur in both the model and the protoype.
Question no. 1 Write VHDL code for the LFSR circuit given in Fig 1. Use the sample entity statement shown in Fig 2. Use the testbench code given with assignment to test your VHDL code.
Measure (and record) the resistances of each of your resistors using the multimeter. Determine the emitter current. Determine the DC current gain of this circuit.
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