For Philips TDA1541 DAC Decoder Board Semi-Finished With USB Optic Fiber Bluetooth Expansion Board

For Philips TDA1541 DAC Decoder Board Semi-Finished With USB Optic Fiber Bluetooth Expansion Board

Features:
1) The design refers to TDA1541;
2) The latest upgrade in 2020, adding display module interface, USB, optical fiber, Bluetooth expansion interfaces;
2) This is a semi-finished decoder board and does not include SAA 7220 and TDA1541.
3) PCB size: 200x175mm (LxW);
4) FR-4 military-grade PCB board, 4-layer circuit, board thickness 2mm, immersion gold design, 20Z copper;
5) Digital part uses military resistors, 1% metal film, 50PPM;
6) Taiwan high precision 15PPM, 0.1% error metal film resistors used around the power supply and analog part of the op amp;
7) Film capacitors mainly for WIMA, part of them for Philips, Siemens, ERO;
8) Ultra-low internal resistance aluminum electrolysis 5600uF for ELNA, decoupling for 220uF Panasonic FM series and SP series 270uF are used;
9) All IC sockets use genuine Taiwanese gold-plated round sockets;
10) Imported op amp for TI15534+JRC5534DD;
11) The board has been debugged. After plugging in TDA1541, you can listen to songs continuously for more than 2 hours; buyers plug in power supply after receiving it, and plug in SAA7220 and TDA1541 to use it normally;
12) Power supply requirements: dual AC13-15V + single AC7-9V.

Package Included:
- 1 x DAC Board

Note:
- It has been tested before delivery.