![]() ![]() This will allow you to play around with the simulation.ĮDIT: Fixed simulation result, schematic and ASC file for C3 to 4.7n (was 4.7u).ĮDIT2: Changed analysis slightly based on more thought and included an FFT of the input & output waveforms showing spectral content before (blue) and after circuit (green). You can find the LTspice file here: tube_sound_overdrive.asc (use download, and save as. It has 2 main categories first one is NPN and the second one is PNP. Using the FFT function in LTspice, it's clear to see the harmonics - note - for some reason, the input and output colours switch (in the FFT, green is the output, blue is the input). Transistor is a device that is employed in different switching and amplification applications. I found it interesting that the design doesn't clip (as in, flat top), but does introduce some higher frequency components the fundamental - this may not be true for all bias/input voltages and frequencies. Find step-by-step Engineering solutions and your answer to the following textbook question: On the schematic symbol of a pnp transistor, a. An NPN transistor has three terminals a collector, emitter and base. ![]() The schematic is a copy of yours with appropriate NXP transistor models. An NPN transistor is the most commonly used bipolar junction transistor, and is constructed by sandwiching a P-type semiconductor between two N-type semiconductors. Using some guestimates for the bias voltage (I went for 4.5 V, half of the pot) and a 100 mV input signal at 1 kHz, I see the following (blue) output: Out of curiosity, I simulated this circuit using LTspice XVII. The schematic below describes the structure of a single channel from the 8-Channel Darlington Current Driver TD62783A. ![]()
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