OPA101 Audio Power Amplifier

OPA101 Audio Power Amplifier

OPHIREMC Model OPA101 Audio Power Amplifier is designed for conducted susceptibility testing as specified in EMC standard Mil-Std-461, RTCA DO-160 and additional EMC specifications. The Audio Amplifier is used in conjunction with OPHIREMC Model OCT101 Coupling Transformer. The Model OPA101 provides a DC to 300 kHz bandwidth and up to 200 watts power (225 watts into 1 ohm). Amplifier has protection circuitry from input overloads, improper outputs (including shorted and improper loads), over-temperature, and over-currents. There is a Digital Voltmeter display on the front panel along with LED’s displaying ready, over-temperature, and over load conditions. Forced air cooling. Designed to stand alone or be rack mounted. 0.5 ohm data on chart taken with OTC101 Coupling Transformer attached.


Frequency Range: DC to 300 kHz
Output Power: 200 Watts @ 1kHz
AC Input Power: 115/230 V, 50/60 Hz
Input Signal: +0dBm Max.
Input Impedance: 50 Ohms
Output Impedance: 1.0 ohm, 2.0 Ohms
Output Voltage: >10 V RMS, 0-150 kHz with +0dBm input
Distortion: ≤ 0.3%
DC Drift: >±1.5 mV (after 30 minutes of operation)
Phase Response: ±5 degrees
Residual Noise: 300 μV
Signal-to Noise Ratio: -100 dB
Gain Linearity: 0.15%
Common Mode Reject: -60dB
Input Connector: Type BNC
Output Connections: Standard ¾” Binding Post (or barrier strip)
Size: 131mm (5.2”) x 465mm (18.3”) x 398mm (15.7”)
Weight: 55 pounds

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