Design a Single-Transistor Amplifier

Closed Posted 7 years ago Paid on delivery
Closed Paid on delivery

Design a single-transistor amplifier that delivers at least ten times as much power to the load as it draws from

the source. In other words, the power gain must be at least 10 (10dB). The signal source has a resistance of 1kΩ

and the load has a resistance of 10kΩ. Your power supply is 5V. You are allowed to use a BJT or a MOSFET,

as well as any amplifier configuration of your choosing.

A SPICE template file has already been created for you and is available for download from Blackboard. It

contains all the information you need besides the actual circuit. Follow the instructions given and add the rest of

your circuit to make it complete. Use the instructions and analysis commands given to evaluate your amplifier.

In order to do a hand analysis with the MOSFET, you need to know the transistor parameters. The MOSFET

given in the template has Vt = 1V and kn

’ = 35.9μA/V2

. I have fixed the W/L ratio at 500, giving kn =

17.9mA/V2

. Do not change W or L.

If you use the BJT, assume β = 70.

In addition to the basic performance requirement above, a pool of bonus points will be awarded to the top

performing designs. These bonus points will apply to your final grade in the course. The pool is for the entire

class and will be divided up amongst the best performers. You can receive points from more than one category.

The pool total is as follows:

 Overall voltage gain

 Highest input resistance

 Lowest output resistance

 Lowest DC power consumption

Any submission will be disqualified that changes the source resistance, load resistance, supply voltage,

transistor model statements, or uses more than one transistor

.NET Electric Repair Electrical Engineering

Project ID: #12307301

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