The lower and upper cut-off frequencies were determined and the bandwidth of the amplifier was found.
An experiment was conducted in the laboratory using RC coupled transistor amplifier, and the graph was plotted. A good transistor amplifier must have high input impedance, high band width, high gain, high linearity, high efficiency, high stability etc. Transistor amplifiers are commonly used in applications like RF (radio frequency), audio, OFC (optic fibre communication) etc. An amplifier circuit which is purely based on a transistor is called a transistor amplifier. The input signal to an amplifier will be current or voltage and the output will be an amplified version of the input signal. SUMMARY Amplifier is a circuit that is used for amplifying a signal. Submitted by, 14m136 – MEGALA A 14m122 – HARIRAM P We use these BJTs transistors only for the voltage doubler part of the circuit.PSG COLLEGE OF TECHNOLOGY DEPARTMENT OF MECHANICAL ENGINEERING COURSE CODE: 12M410 COURSE TITLE: ELECTRICAL AND ELECTRONICS ENGINEERING LABORATORY And yes, yes, I know I’ve told you this amplifier is not based on transistors, and is not. Then, on the PCB we can see 4 diodes followed by some capacitors and 4 transistors. That potentiometer has two channels and also that switch integrated so we can use it to control volume but also to turn the amplifier on and off. The AC supply is then connected to an on and off switch inside of the potentiometer. My PCB has an AC input for supply and on the other side we have one audio Input and one audio output for left and right channels. In a few days, I receive my PCBs and they look very good. Click save to cart and, on the next page, click the button and upload the GERBER files and then make the payment.
Then select a color, in my case I select purple because I think it looks amazing. On PCBWAY, insert the size and the amount of PCBs you want to order. You can download them for free, or if you want to help my work, buy the GERBERs from my shop for a few dollars. If you want the same PCB, download my GERBER files from below, go to for example and click the quote now button.
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