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Mondaykids TDA7293 power Amplifier PCB 60W*2(OCL) 120W*1 (BTL) 2 channel TDA7293 power amplifier board PCB for Audiophile DIY

$1.00

Product name is Mondaykids TDA7293 power Amplifier PCB 60W*2(OCL) 120W*1 (BTL) 2 channel TDA7293 power amplifier board PCB for Audiophile DIY...

Product origin name is Mondaykids TDA7293 power Amplifier PCB 60W*2(OCL) 120W*1 (BTL) 2 channel TDA7293 power amplifier board PCB for Audiophile DIY

Availability: In stock
SKU
EK850-OCL-03

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  • Brand Name: Monday Kids
  • Supply Voltage: none
  • Model Number: OCL Amplifier Board
  • Condition: New
  • Type: Logic ICs
  • Dissipation Power: none
  • is_customized: Yes

Packing list: tda7293 amplifier PCB 1 piece

PCB size: 117*37mm

Recommended transformer: dual AC 20 to 28V (Rectification filtering required)

 

Reference component parameter:

 

capacitance

C1 C2 C5 C6 C7 C8 C9 C10 C13 C14 : 22uf;

C3 C4 C15 C16 : 0.1uf;

C11 C12: 1uf;

resistance

R1 R8: 680;

R2 R3 R4 R9 R10 :22K;

R5:10K;

R6:33K;

R7:22K;(BTL)

diode D1:4148

 

All components need to be purchased separately by yourself.

 

2 different ways of using : OCL / BTL

OCL:

Audio input: L-GND-R

R7:  No need to install

K1: not connected (open circuit)

output: 2 speakers

 

BTL: 

audio input : L -GND

R7 :22K

K1: connected (short circuit)

output: 1 speaker ( L OUT ) "+ " /  (L OUT) "-"

 

The figure below is the OCL connection finished board, for reference only. The actual delivery is an empty PCB and does not contain any components.

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