150U1000 and 250U1000A amplifiers from AR RF Microwave Instrumentation

AR completes its range of “U” series amplifiers with 150 and 250 W models

  • AR RF Microwave Instrumentation has added two new models to its line of U-series amplifiers.
  • The 150U1000 and 250U1000A models deliver 150 watts and 250 watts of power respectively.
  • Both amplifiers cover a frequency range of 10 kHz to 1000 MHz.

These self-contained, air-cooled, solid-state broadband amplifiers are designed for applications requiring instantaneous bandwidth, high gain and high linearity. They are available in a desktop or rackmount enclosure.

These Class A amplifiers are suitable for EMC testing and a variety of test applications in research and many industries.

When used with a sweep generator, they provide a minimum of 150 watts (150U1000) and 250 watts (250U1000A) of RF power. They are equipped with a front panel gain control feature that allows the operator to easily set the desired output level.

These amplifiers are protected against RF input overload by an RF input leveling circuit that controls the RF input level of the first RF amplifier stage when the RF input level is above 0dBm.

The RF amplifier stages are protected from overheating by suppressing the DC voltage applied to them in the event of a temperature rise due to a cooling system shutdown or fan failure.

These amplifiers are equipped with a color LCD touchscreen for control. The display shows the operating status and fault conditions (overheating or power failure). The amplifier can be put back into operation once the fault condition has been cleared.

All amplifier control functions and status indications are available remotely via GPIB/IEEE-488, wired and fiber optic RS-232, USB and Ethernet interfaces.

The bus interface connector is located on the rear panel. Local or remote control mode is selected via a Local/Remote switch located on the front of the amplifier.

A safety interlock circuit for use with external safety switches is also available. This circuit prevents the amplifier from operating if the external connection is not established. This feature can be disabled by placing a jumper supplied with the instrument.