The Techron 7570 is a precision power amplifier engineered for signal amplification across DC to over 20 kHz, with extended frequency capability to 45 kHz depending on application requirements. Operating in selectable Controlled Voltage (CV) or Controlled Current (CC) modes, it maintains stable output across varying load impedances. The amplifier delivers 1,018 W rms continuous average output power into 4 Ω loads with maximum output specifications of 64 V rms and 15.9 A rms. Its linear topology, low distortion characteristics (0.07% harmonic, 0.01% intermodulation), and comprehensive protection circuitry make it suitable for electrodynamic testing, shaker applications, and EMC environments. Multi-amplifier configurations and bridged operation are supported, with flexible front-panel input modules enabling system customization.
– Technical Specifications
• Frequency Response: DC to over 20 kHz; up to 45 kHz depending on application
• Output Power: 1,018 W rms into 4 Ω
• Maximum Output Voltage: 64 V rms into 4 Ω
• Maximum Output Current: 15.9 A rms into 4 Ω
• Slew Rate: 20 V/µs
• Input Impedance: 25 kΩ
• Residual Noise: 0.55 mV rms (DC to 100 kHz)
• Harmonic Distortion: <0.07%
• Intermodulation Distortion: <0.01%
• Noise Floor: 100 dB below rated output
• AC Input: 120 V standard (47–63 Hz); internal selection for 100, 200, 220, or 240 V
– Key Features
• Selectable CV and CC operating modes
• Linear amplifier design with DC coupling
• Bridged operation capability
• Multi-amplifier system compatibility
• Front-panel input plug-in modules for flexible configuration
• Interlock master/slave system for multi-unit control
• Comprehensive protection: high line voltage, overtemperature, RF burnout, input overload, excessive output demand, load mismatch, short circuits, and internal fault detection
– Typical Applications
• Electrodynamic and shaker testing
• EMC testing environments
• Precision signal amplification across extended frequency ranges
• Multi-unit coordinated test systems
– Compatibility & Integration
The 7570 functions as both power supply and amplifier, supporting multi-amplifier configurations through its interlock master/slave system. Front-panel module flexibility allows integration into diverse test architectures.
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