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AR-175A400 175 Watt CW, 10 kHz - 400 MHz

FREQUENCY RESPONSE: 10 kHz to 400 MHz instantaneously

POWER OUTPUT @ 3dB COMPRESSION: Typical: 210 watts, Minimum: 165 watts

POWER OUTPUT @ 1dB COMPRESSION: Typical: 165 watts, Minimum: 125 watts

FLATNESS: ±0.9 dB typical, ±1.5 dB maximum

GAIN (at maximum setting): 52.5 dB minimum

INPUT IMPEDANCE: 50 ohms, VSWR 2.0:1 maximum

OUTPUT IMPEDANCE: 50 ohm nominal

MISMATCH TOLERANCE:
100% of rated power without foldback. Will operate without damage or oscillation with any magnitude and phase of source and load impedance. See Application Note #27.

MODULATION CAPABILITY: Will faithfully reproduce AM, FM, or pulse modulation appearing on the input signal

NOISE FIGURE: 8 dB typical

HARMONIC DISTORTION: -20 dBc maximum at 150 watts

THIRD ORDER INTERCEPT POINT: 60 dBm typical

Remote Interfaces:

  • IEEE-488, 24 pin female
  • RS-232, 9 pin Subminiature D (female)
  • Fiber Optic, ST Conn Tx and Rx RS-232
  • USB 2.0, Type B
  • Ethernet, RJ-45

Product Number:

AR-175A400

Manufacturer:

Amplifier Research

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The Model 175A400 is a solid-state, selfcontained, air-cooled, broadband amplifier designed for applications where instantaneous bandwidth, high gain and linearity are required. Available in a stylish, contemporary cabinet for benchtop use or with cabinet removed for rack mounting.

The Model 175A400, when used with a sweep generator, will provide a minimum of 175 watts of RF power. Included is a front panel gain control which permits the operator to conveniently set the desired output level. The 175A400 is protected from RF input overdrive by an RF input leveling circuit which controls the RF input level to the RF amplifier first stage when the RF input level is increased above 0dBm.

The RF amplifier stages are protected from over-temperature by removing the DC voltage to them if an over-temperature condition occurs due to cooling blockage or fan failure. The Model 175A400 is equipped with a Digital Control Panel (DCP) which provides both local and remote control of the amplifier. The DCP uses a color LCD touch screen display to indicate the operate status and fault conditions if an over-temperature or power supply fault has occurred. The unit can be returned to operate when the condition has been cleared.

All amplifier control functions and status indications are available remotely through the included Remotes Package. The Remotes Package includes GPIB/IEEE-488 format, RS-232 hardwire and fiber optic, USB, and Ethernet.

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The Model 175A400 is a solid-state, selfcontained, air-cooled, broadband amplifier designed for applications where instantaneous bandwidth, high gain and linearity are required. Available in a stylish, contemporary cabinet for benchtop use or with cabinet removed for rack mounting.

The Model 175A400, when used with a sweep generator, will provide a minimum of 175 watts of RF power. Included is a front panel gain control which permits the operator to conveniently set the desired output level. The 175A400 is protected from RF input overdrive by an RF input leveling circuit which controls the RF input level to the RF amplifier first stage when the RF input level is increased above 0dBm.

The RF amplifier stages are protected from over-temperature by removing the DC voltage to them if an over-temperature condition occurs due to cooling blockage or fan failure. The Model 175A400 is equipped with a Digital Control Panel (DCP) which provides both local and remote control of the amplifier. The DCP uses a color LCD touch screen display to indicate the operate status and fault conditions if an over-temperature or power supply fault has occurred. The unit can be returned to operate when the condition has been cleared.

All amplifier control functions and status indications are available remotely through the included Remotes Package. The Remotes Package includes GPIB/IEEE-488 format, RS-232 hardwire and fiber optic, USB, and Ethernet.

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