Audio. - This is electronic Circuit Schematic 300W – 1200W MOSFET Amplifier for Professionals like in Figure 1 below. In this circuit schematic the basic component used are SG3526-IRFP540.
In here we will give you global description about Circuit Schematic 300W – 1200W MOSFET Amplifier for Professionals and then we will give you link to continue your reading from original source as external website.
In here we will give you global description about Circuit Schematic 300W – 1200W MOSFET Amplifier for Professionals and then we will give you link to continue your reading from original source as external website.
Circuit Schematic
Component Part
- Transistors
- MOSFET
- Diodes
- Capacitors
- Speaker
Description
Circuit schematic like in Figure 1 above is Circuit Schematic 300W – 1200W MOSFET Amplifier for Professionals. Eleccircuit site describe that Based on the circuit, it can be seen that is determined in the All complementary input form will consist of the differential circuit of two set, the separate independent, responsible for driving directly both the positive and negative side output circuit.
As it can be seen that the positive side signal will be entered pass through the resistor R4 to the differential amplifier circuit with two 2SC1775 transistors Q1,Q2, by has Q3 acts as the constant current source.
The signal is amplified by the driver circuit consist of the Q7(2SA640),Q8(2SA640),Q9(2SA690) to as the signal voltage is high enough to driver the output 2SK1058 MOSFET Q14,Q15,Q16,Q17 for acts as the positive signal to the speaker. (2SJ162 MOSFET Q18,Q19,Q20,Q21 for the negative signal).
The resistors R43,R45,R47,R49 that is at the source pin to help the average current through the MOSFET is equal to the function of a circuit more stable.
The capacitors C17,C18,C18,C20 is used to protect the noise oscillator in this circuit Why we put it a only side MOSFET N Channel. Because normally. Capacitance between Gate-Source of N Channel will lower than P Channel of about 400pF (Normal the P type will has value of C=900pF, but N type = 500pF)
As it can be seen that the positive side signal will be entered pass through the resistor R4 to the differential amplifier circuit with two 2SC1775 transistors Q1,Q2, by has Q3 acts as the constant current source.
The signal is amplified by the driver circuit consist of the Q7(2SA640),Q8(2SA640),Q9(2SA690) to as the signal voltage is high enough to driver the output 2SK1058 MOSFET Q14,Q15,Q16,Q17 for acts as the positive signal to the speaker. (2SJ162 MOSFET Q18,Q19,Q20,Q21 for the negative signal).
The resistors R43,R45,R47,R49 that is at the source pin to help the average current through the MOSFET is equal to the function of a circuit more stable.
The capacitors C17,C18,C18,C20 is used to protect the noise oscillator in this circuit Why we put it a only side MOSFET N Channel. Because normally. Capacitance between Gate-Source of N Channel will lower than P Channel of about 400pF (Normal the P type will has value of C=900pF, but N type = 500pF)
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