Fig. 1 - Printed Circuit Board Amplifier 100W with TDA7294 |
Integrated Circuit
The built-in locking function with activation delay simplifies remote operation, avoiding noisy changes when pressing the On/Off button.
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Characteristics
- Wide range of supply voltage (± 10V to ± 40V)
- DMOS output amplification step
- High Output Power (Musical 100W)
- Mute and Stand-by functions
- Very low harmonic distortion
- Short circuit protection
- Thermal protection with automatic shutdown
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Fig. 2 - Schematic diagram 100W RMS Audio Amplifier IC TDA7294 |
List of materials
- U1 .................. Integrated Circuit TDA7294
- R1, R3, R4 .... Resistor 22K (red, red, orange, gold)
- R2 ................. Resistor 680Ω (blue, gray, brown, gold)
- R5 ................. 10K resistor (brown, black, orange, gold)
- C1 .................. Electrolytic capacitor 1.5μF - 35V
- C2, C3 ........... Electrolytic capacitor 22μF - 63V
- C4, C5 ........... Electrolytic capacitor 10μF - 63V
- P1, P3............. 2-Pin Card-to-Cable Connector
- P2 .................. 3-Pin Card-to-Cable Connector
- Others ............ Printed Circuit Board, tin, wire, etc.
Power supply
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