Electronics Help Care electronics circuit diagram
DIY transistor amplifier:
This is the DIY transistor amplifier circuit diagram. This diagram can produce 200 watts using 2sc2922 and 2sa1216. this pair can make 200 watts. We also used another pair, like 2sc5200 and 2sa1943 or C5198 and A1941. The output watts depend on the use of transistors and the voltage and amperes. it’s a mono-circuit diagram.
C5198 is an NPN-positive transistor. Maximum Collector Power Dissipation (Pc) is 100 Watts. The Maximum Collector-Base Voltage |Vcb| is 160 Voltage. Maximum Collector-Emitter Voltage |Vce| is 160 Voltage. The Maximum Emitter-Base Voltage |Veb| is 5 Voltage. the maximum Collector Current |Ic max| is10 ampere.
A1941 is a PNP-negative transistor. Maximum Collector Power Dissipation (Pc) is 100 Watts. The Maximum Collector-Base Voltage |Vcb| is 160 Voltage. Maximum Collector-Emitter Voltage |Vce| is 160 Voltage. The Maximum Emitter-Base Voltage |Veb| is 5 Voltage. the maximum Collector Current |Ic max| is10 ampere.
2sc5200 Polarity is NPN. Max Collector Power Dissipation is 150 Watts. The Max Collector-Base Voltage is 250 Voltage. Max Collector-Emitter Voltage is 250 Voltage. The Max Emitter-Base Voltage is 5 Voltage. Maximum Collector Current is 17 amperes.
2sa1943 Polarity is PNP. The Maximum Collector Power Dissipation is 150 Watts. The Maximum Collector-Base Voltage is 250 Volts. The Maximum Collector-Emitter Voltage is 250 Volts. The Maximum Emitter-Base Voltage is 5 Volts. The Maximum Collector Current is 17 amperes.
2sc2922 Polarity is NPN. The Maximum Collector Power Dissipation is 200 Watts. The Maximum Collector-Base Voltage is 180 Volts. The Maximum Collector-Emitter Voltage is 180 Volts. The Maximum Collector Current is 17 amperes.
2sa1216 Polarity is PNP. The Maximum Collector Power Dissipation is 200 Watts. The Maximum Collector-Base Voltage is 180 Volts. The Maximum Collector-Emitter Voltage is 180 Volts. The Maximum Collector Current is 17 amperes.
The circuit diagram is here
This circuit doesn’t have speaker protection. here, we need a speaker protection circuit. here is the link to get the speaker protection circuit. Diagram is here
This is the Speaker protection circuit diagram. It can protect our Speaker from the burn. If the amplifier has any problems, this circuit can save our soundbox. Normally, when the transistor makes a short circuit, the voltage comes out from the speaker output line, and this circuit protects that voltage. This circuit should not allow any direct voltage to be sent to the speaker. This circuit is essential for protecting the speaker.
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