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Microwave SAR-applicable power amplifiers

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article image Ophir amplifier -- rack-mount option.

THE new Ophir model 5140/50/60 class A/AB power amplifiers, from Westek Electronics , cover the bandwidth range from 700 to 4200MHz, depending on the model chosen.

The amplifiers are suitable for the calibration of Specific Absorption Rate (SAR) measuring systems. Saturated output powers between 10 watts and 13 watts are available depending on model chosen. Small signal gains exceed +39dB.

The Ophir 5140/50/60 amplifiers have response flatness of ñ2.0dB, harmonics of less than -20dBc and spurious signals of less than -60dBc Input signals can be CW, AM, FM, PM, and pulse.

The amplifiers are available in various options: rack-mounting (100-240V ac) with rear panel connectors, front panel connectors, or the former two with control panel or with Ethernet interface.

The Ophir amplifiers are suitable for operation in ambient temperatures from 0°C to +50°C, up to 95% RH, and to altitudes of 3000 metres.

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