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ELECTRONIC COLLECTION SCHEME Almost all electronic circuits are available here, download it for free. didukung oleh Penelusuran Ubahsuaian Web Kategory: Home » Amplifier » Rangkaian Audio Amplifier 25 Watt Mosfet Rangkaian Audio Amplifier 25 Watt Mosfet Rangkaian Audio Amplifier 25 Watt Mosfet Rangkaian Audio Amplifier 25 Watt Mosfet Parts: Kit R1,R4_________47K 1/4W Resistors R2____________4K7 1/4W Resistor R3____________1K5 1/4W Resistor R5__________390R 1/4W Resistor R6__________470R 1/4W Resistor R7___________33K 1/4W Resistor R8__________150K 1/4W Resistor R9___________15K 1/4W Resistor R10__________27R 1/4W Resistor R11_________500R 1/2W Trimmer Cermet R12,R13,R16__10R 1/4W Resistors R14,R15_____220R 1/4W Resistors R17___________8R2 2W Resistor R18____________R22 4W Resistor (wirewound) C1___________470nF 63V Polyester Capacitor C2___________330pF 63V Polystyrene Capacitor C3,C5________470µF 63V Electrolytic Capacitors C4,C6,C8,C11_100nF 63V Polyester Capacitors C7___________100µF 25V Electrolytic Capacitor C9____________10pF 63V Polystyrene Capacitor C10____________1µF 63V Polyester Capacitor Q1-Q5______BC560C 45V 100mA Low noise High gain PNP Transistors Q6_________BD140 80V 1.5A PNP Transistor Q7_________BD139 80V 1.5A NPN Transistor Q8_________IRF530 100V 14A N-Channel Hexfet Transistor Q9_________IRF9530 100V 12A P-Channel Hexfet Transistor Rangkaian Audio Amplifier 25 Watt Mosfet Parts: R1____________3K3 1/2W Resistor C1___________10nF 1000V Polyester Capacitor C2,C3______4700µF 50V Electrolytic Capacitors C4,C5_______100nF 63V Polyester Capacitors D1__________200V 8A Diode bridge D2__________5mm. Red LED F1,F2_______3.15A Fuses with sockets T1__________220V Primary, 25 + 25V Secondary 120VA Mains transformer PL1_________Male Mains plug SW1_________SPST Mains switch Notes: * Can be directly connected to CD players, tuners and tape recorders. Simply add a 10K Log potentiometer (dual gang for stereo) and a switch to cope with the various sources you need. * Q6 & Q7 must have a small U-shaped heatsink. * Q8 & Q9 must be mounted on heatsink. * Adjust R11 to set quiescent current at 100mA (best measured with an Avo-meter connected in series to Q8 Drain) with no input signal. * A correct grounding is very important to eliminate hum and ground loops. Connect to the same point the ground sides of R1, R4, R9, C3 to C8. Connect C11 to output ground. Then connect separately the input and output grounds to power supply ground. * An earlier prototype of this amplifier was recently inspected and tested again after 15 years of Suse. Rangkaian Audio Amplifier 25 Watt Mosfet Thanks for reading: Rangkaian Audio Amplifier 25 Watt Mosfet partner-pub-3925 ISO-8859-1 elektroarea.blogs Search electronic-circuit1 Monday, April 05, 2010 Browse » Home » Power Amplifier » Rangkaian 150 Watt OCL Amplifier Rangkaian 150 Watt OCL Amplifier 150 Watt OCL Power Amplifier If you are fanatical about the use of transistors jengkol 2N3055 and MJ2955 then this circuit is the answer. This OCL power amplifier circuit deliver a blasting 150 watt to a 4 Ohm speaker. The amplifier circuit is very cheapest and can be powered from 24 to 32 V/5A dual power supply. You must try this circuit. Its working great. Because Transisitor on the final amplifier will be very hot then add the aluminum finned cooler and the fan so that the transistor is not too high temperatures Skema Rangkaian 150 Watt OCL Amplifier Use a well regulated and filtered power supply. Connect a 50K POT in series with the input as volume control if you need.Not shown in circuit diagram The transistor 2N3055 NPN and MJ2955 PNP are a silicon Epitaxial-Base Planar transistor mounted in Jedec TO-3 metal case. It is intended for power switching circuits, series and shunt regulators, output stages and high fidelity amplifiers. maximum rating Transistor 2N3055 NPN and MJ2955 PNP Collector-Base Voltage : 100 V Collector-Emitter Voltage: 70 V Collector-Emitter Voltage: 60 V VEBO Emitter-Base Voltage: 7 V IC Collector Current: 15 A IB Base Current: 7 A Total Dissipation: 115 W Storage Temperature: -65 to 200 oC Tj Max. Operating Junction Temperature 200 oC IC TDA7294 120 Watt Audio Power Amplifier Circuit IC TDA7294 120 Watt Audio Power Amplifier Circuit Amplifer with IC number TDA7293 for process sound system. This amplifer was have the input for a radio, TV, stereo or other line level device. It also has a phono input for a record player, guitar, microphone or other un-amplified source. With the addition of a low pass filter at the input, it makes a great amp for a small subwoofer. Parts R : 660 Ohm 1/4 W Resistor = 2 pcs. R : 22K 1/4 W Resistor = 5 pcs. R : 10K 1/4 W Resistor = 1 pcs. R : 30K 1/4 W Resistor = 1 pcs. C : 2200uF 35V Electrolytic Capacitor = 2 pcs. C : 0.22uF Capacitor = 2 pcs. C : 22uF Capacitor = 4 pcs. C : 0.45uF Capacitor = 2 pcs. U1,2 : TDA7294 100W DMOS AUDIO AMPLIFIER WITH MUTE/ST-BY T1 : 50V Center Tapped 5 Amp Transformer S1 : SPST 3 Amp Switch S2 : DPDT Switch F1 : 2 Amp Fuse SPKR1 : 8 Ohm 120W Speaker MISC : Case, Knobs, Line Cord, Binding Posts Or Phono Plugs (For Input And Output), Heatsinks For Q1 And Q2 Thanks for reading: IC TDA7294 120 Watt Audio Power Amplifier Circuit