The AE Techron 7224 is a DC-enabled power amplifier engineered for high-demand test, measurement, and research applications. Operating in user-selectable controlled-voltage or controlled-current modes, it delivers 900 W RMS continuous (up to 40 kHz) and 1,100 W RMS at 4 ohms, with peak currents reaching 52 A into 0.5 ohm loads over 40 mSec pulses. Multiple units interconnect to exceed 3,600 W or 200 A system output.
– Technical Specifications
• Power Output: 900 W RMS continuous (DC to 40 kHz); 1,100 W RMS at 4 ohms; 52 A peak current (40 mSec pulse, 0.5 ohm load)
• Frequency Bandwidth: DC to 300 kHz small-signal response (±0.0 to −1.0 dB); rated power to 40 kHz
• Gain: 20 V/V (voltage mode); 5 A/V (current mode)
• Slew Rate: 70–75 V/µS
• Input Impedance: 20 kΩ differential
• Output Impedance: 28 mΩ in series with 1 µH (voltage mode, typical)
• Residual Noise: 950 µV (10 Hz–300 kHz); 300 µV (10 Hz–80 kHz)
• Signal-to-Noise Ratio: −113 dB (10 Hz–30 kHz); −106.6 dB (10 Hz–80 kHz); −99.9 dB (10 Hz–300 kHz)
• Gain Linearity: 0.15% (7224); 0.02% DC / 0.05% AC (7224P)
• Output Offset: <±5 mV (7224); <±400 µV (7224P)
• DC Drift: <±1.5 mV (7224); <±200 µV (7224P)
• Current Mode Response Accuracy: <0.1% (0 A to ±50 A transitions)
• Blanking Feature: Noise floor reduction in <10 µS
– Key Features
• Dual-mode operation: voltage or current control
• DC coupling enables test of both steady-state and transient behavior
• Configurable for high-voltage/low-current, medium, or low-voltage/high-current requirements
• Excellent linearity and low offset drift for precision measurement
• AC input shipped ready to operate
– Typical Applications
• Radiated immunity and EMC testing
• Gradient amplifier for MRI and NMR systems
• DC power simulation (ripple, noise, drop-outs, surges, ground faults)
• Switch-mode power supply component validation
• Helmholtz coil excitation
– Compatibility & Integration
Meets DO 160 (Sections 16, 18, 19), SAE J1113-2, ISO 16750-2, MIL-STD-461, Ford CS2009, General Motors GMW3172, Chrysler CS-11809, and MIL-STD-1275D.
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