Author Archives: Ahmed Yerli

Speaker DC Protection Circuit Delayed and LED alarm

| 2013/06/14

The circuit can be delayed and led excitation speaker dc protection circuit.A current of approx. 70mA. The appropriate value for the high voltages are selectable Rs resistance. For example: Amplifier 2x24Vac with the feed from the same place, we can get this circuit.Aim will be about how to find the value and power of direncimizin…

100W Hi Fi Amplifier Ras100 Version 2

| 2013/05/19

Before “the new Hifi Amplifier Mosfet RAS300 RAS100 and PCB drawings” article for the RAS-100 100W MOSFET amplifier PCB shared drawing sketch I changed I said there’s no difference, but in fact the V2 have in terms of usability and pleasing to the eye to have had the opportunity to study the differences in performing…

Symmetrical Power Supply Circuits

| 2013/01/16

Symmetrical power resources tone control , etc. preamf . To run such circuits or different circuits , you can use in experiments . The most popular circuits used , positive and negative regulator IC based on the manufacturer’s drawings were made according to standard schemes , but do not forget to check the PCB drawing…

Hifi Amplifier Mosfet RAS300 RAS100 PCB drawings

| 2012/12/23

Design Nico Ras belonging to diyaudiotr.com site RAS300 300w mosfet power (100w and shared RAS100 amplifikatörlerine I share my PCB drawings belonging to the PCB drawings created with proteus in addition to ares ros300, you can use the same circuit inside the power supply circuit diagram in ras100 Hifi Amplifier Mosfet RAS100 New PCB Design;…

Complete amplifier 100W TDA7294

| 2012/09/29

100W Amplifier circuit based on TDA7294 vu meter on a single PCB (LM3914), bass, treble tone controls for setting circuit (opamp 4558) and the supply circuit’s. The potency of tone control circuit wires soldered to the metal chassis to be connected to the chassis vu meter circuit if the LEDs mounted in an inclined position…

Subwoofer Filter 25Hz 250Hz Bass Crossover Circuit

| 2011/04/12

Circuit quality quite a crossover frequencies between 250Hz 25Hz circuit board on the opamp 4558 setting can be made. Proteus ares of project drawings are printed circuit boards. Subwoofer Crossover @ ahmedyerli of circuit and PCB design About 25Hz to 250Hz Bass Crossover circuit; Half-BASS AUDIO-FREQUENCY-PHASE HIGH BOOTS-PASS / LOW PASS settings can do. 25-250Hz…

TDA7294 Amplifier Circuit 2X100Watt

| 2011/04/12

TDA7294 amplifier circuit design, as distinct from other solid power supply on a single PCB layout has a regular All inputs and outputs are via terminals. Proteus ares of project drawings are printed circuit boards. PCB design belongs to me. TDA7294 is symmetric lowest 2x10v supply (+10 v-10v) and highest 2x40v (+40 v-40v) can be…