The sine input from the function generator is simply the input that you wish to be amplified.Īdditionally, you will likely want something to read or use the output voltage produced by this circuit, depending on your reasons for wanting to build a voltage amplifier. Therefore I would recommend power supplies in the range of 9 to 15V DC. If you are using this circuit for practical purposes, you can use any DC power supply you desire keep in mind that your output voltage can not be larger than the voltage provided by this DC power supply. resistors - 56 kOhm, 5.6 kOhm, 6.8 kOhm, 680 Ohm DC power supply (15V, included in our breadboard) breadboard (Global Specialties Proto-Board PB-503) function generator (BK Precision 4011A 5MHz Function Generator) Names of specific instruments used in this particular circuit are included in parentheses. To build this circuit, you will need the materials listed below. If you want to increase or decrease this factor, refer to step 2. The following materials are for an amplifier with a gain of 10. The voltage amplifier is a form of the common emitter amplifier, which relies on the transistor the amplification of voltage is dependent on the ratio of resistors on the collector and emitter of this transistor. This is useful for reading and adapting small signals such as boosting an audio signal before sending it on its way to speakers. When you are forced to work with a set amount of voltage, these amplifiers are commonly used to increase the voltage and thus the amount of power coming out of a circuit.
A voltage amplifier in simplest form is any circuit that puts out a higher voltage than the input voltage.
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