Tag: transistor amplifier

2SC5200 BJT transistor amplifier circuits, Mosfet transistor amplifier circuits 20w ……1000w, 2200w various power transistor amplifier projects

C200 Power Amplifier Circuit PCB Schematic

| 2008/10/08

8 Ohm 4 Ohm 125W 200w power amplifier circuit transistor is a quality two channel stereo mono single channel if you want to use the same circuit must log 2 toroid transformer used supply section Power transformer I gave wound on order and is the primary coils of 230V, the seconder and two windings Monday…

Guitar Studio 400W Power Amplifier Circuit PCB

| 2008/09/23

The administration, indicating and switching located on the front and back panels. For each of the entrances there is a regulator of the amplifier input to establish the necessary sensitivity. STEREO MONO. Amplifier can be operated in two modes – STEREO and MONO. In mono amplifier inputs are connected in parallel, which allows free entry…

Hi-Fi Power Amplifier 100W with TDA7250 Driver

| 2008/09/23

TDA7250 power output stage The main element of the offered power stage is a custom TDA7250 integrated circuit from SGS Thomson. It is a complete two-channel power transistor driver that enables the creation of a stereo power amplifier. Using the manufacturer’s catalog data, two pairs of complementary TIP142, TIP147 transistors were selected to work with…

Ultra-LD 200W Power Amplifier Circuit

| 2008/09/03

The supply voltage of the Ultra LD 200W Power Amp is symmetrical +55v -55v total 110 volts dc. Be careful. The best thing in the circuit is that there is no need to adjust the quietness, you know, there is this setting in a multi-transistor amplifier, it is always confusing, right? is it normal ?…

Sine Wave Output MOSFET 40W Amplifier Circuit

| 2008/08/28

8Ω + / – 35V – 40W sinus plate amplifier power. Jeden kanal. One channel. The layout is based on symmetrical arrangement of input from current and balanced agreement, control Contains DC Servo system for the precise determination of zero output. The degree of current contains transistors bipolarne. It voltage to + /-24V and +…

30W Class AB Mosfet Amplifier Circuit

| 2008/08/27

A volume setting passive integrated possible by the high output level of modern sources, and a structure of the amplifier gain sufficient floors limited to essential guarantee the transparency of the system. Yield loudspeakers and damping for ‘pregnant will be the selection criteria. A Release to push-pull “common drain”: his first schemes have 20dB of…

100W Hi-fi AmplifierCircuit symasym

| 2008/08/19

Good quality design, a nice amplifier circuit has all the details (in English) Scope measurements, pcb and voltage values are specified, there is an additional circuit diagram. The Symasym5 is a power amplifier designed with quality yet low price in mind. This resulted in a Class AB BJT amplifier using only TO92 transistors for input…

Aleph-30 Class-A Power Amplifier Circuit

| 2008/08/08

The Pass Aleph 30 is the first of the second generation of Aleph single-ended Class A power amplifiers. This design stems from my commitment to creating the best-sounding product, a simple circuit with the most natural features. The Pass Aleph 30 combines powerful Mosfet devices and pure single-ended Class A operation in a simple two-stage…

ZEN Class A Amplifier Circuit IRFP140 IRFP9240

| 2008/08/03

At the beginning of 1999 I wanted to upgrade my little Onkyo system and bought some great speakers made by Dijon master Mr. Each is equipped with an Altec broadband with excellent performance (100 dB, yes) and the result is simply amazing. My little Japanese amp worked well, but with an aggression that didn’t match…

Class A Headphone Amplifier with LM317 and IRF610 Mosfet

| 2008/07/24

A simple headphone amplifier circuit 32Ω headphones ideal for basic elements 1 mosfet (IRF610) and the positive regulator (LM317) crating CD-ROM Box used circuit 10 .20 volts dc voltage is working with 750mA current draw hole pertinaks on does not look good but after boxed pretty stylish stands DIY ClassA Head phone Amplifier Circuit Not…