Do it yourself, Class-H power amplifier 1500WRMS @ 2ohms
[top]Introduction
Its a Class-H amplifier with following features:
1: Fully complementary symmetry input differential with Cascode loading.
2: CE-CB Cascode VAS for wider bandwidth.
3: 2 Step rail switching with controlled slew for minimizing switching noise.
4: Triple EF output stage for high damping factor and ease in 2 ohms load driving.
5: All set of required basic professional protection circuitry.
6: Almost Half the heat dissipation of same wattage class-ab amplifier due to Rail Tier Switching and excellent handling of reactive loads.
Goal: To design a reliable amplifier with professional standards.
Result: All design goals met.
[top]Specifications
| Name | Description |
| Voltage Gain | 26dB |
| Full power Bandwidth | 20-20kHz |
| Power output | 1500WRMS @ 2ohms |
| Input Sensitivity | 4Vrms @ 8Ohms |
| S/N Ratio | 100dB |
| Peak Consumption | 4400VA @dual channel @ 2ohms continuous music operation |
| Idle Consumption | 110W |
| Harmonic Distortion | 0.05% THD [FPRL] |
| Load Impedance | 2 ohms minimum |
| Slew Rate | 33v/uS |
| Stability | Unconditionally stable with all known real world speaker loads |
| Output configurations | Parallel/Stereo/Bridge operation |
| Damping Factor | >1000 @ 100hz
|
[top]Additional Features
- Thermal shutdown
- DC Fault
- Muting
- Short Circuit Protection
- True Clip Detection
- Signal out
- Fault Status
[top]Schematic/Blueprint
[top]Bill of Materials
There is no BOM just yet. Will be added later.
[top]Simulations and Analysis
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