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AR-800A3B 800 Watt CW, 10 kHz - 3 MHz, RF Power Amplifier (w/ DCP, IEEE, RS-232, Fiber Optic, Ethernet and USB interfaces)

FREQUENCY RESPONSE: 10 kHz to 3 MHz instantaneously

RATED OUTPUT POWER: 800 W minimum

INPUT FOR RATED OUTPUT: 0 dBm maximum

POWER OUTPUT @ 3dB COMPRESSION

  • Nominal: 800 W
  • Minimum: 800 W, 10 kHz to 2 MHz; 700 W, 2 MHz to 3 MHz

POWER OUTPUT @ 1dB COMPRESSION

  • Nominal: 500 W
  • Minimum: 400 W

FLATNESS:

  • ±1.5 dB maximum

GAIN: 59 dB minimum

INPUT IMPEDANCE: 50 ohms

OUTPUT IMPEDANCE: (switch select; manual):

  • 12.5, 25, 50, 100, 150, 200, 400 ohms nominal (10kHz-3MHz) on front panel

MISMATCH TOLERANCE: 100% rated power without foldback up to 6.0:1 mismatch above which may limit to 400 watts reflected power. Will operate without damage or oscillation with any magnitude and phase of source and load impedance.

HARMONIC DISTORTION: -20 dBc maximum at 400 watt

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-800A3B

Manufacturer:

Amplifier Research

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The Model 800A3B is a self-contained, air cooled, broadband, solid-state amplifier designed for applications where instantaneous bandwidth and high gain are required. The Model 800A3B, when used with an RF sweep generator, will provide a minimum of 800 watts of swept power.

The Model 800A3B is equipped with a digital control panel, which provides both local and remote control of the amplifier. The DCP uses a color LCD touch screen and a single rotary knob to offer status reporting and control capability. The display provides operational presentation of forward power and reflected power, plus control status and reports of internal amplifier status.

Special features include a gain control, RF output level protection, and a transformer with selectable taps for matching to different load impedances. All amplifier control functions and status indications are available remotely in GPIB/IEEE- 488, RS-232, RS-232 Fiber Optic, Ethernet and USB. The bus interface connectors are located on the back panel and positive control of local or remote operation is assured by a keylock on the front panel of the amplifier.

The 800A3B amplifier is intended for applications where the load impedance is not necessarily 50 ohms. The selectable output impedance provides the capability to drive loads that would otherwise cause a high SWR and limit the delivered power. The impedance matching transformer uses high-voltage/high-current vacuum relays so the user can “hot switch” between impedances without damage.

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Description
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The Model 800A3B is a self-contained, air cooled, broadband, solid-state amplifier designed for applications where instantaneous bandwidth and high gain are required. The Model 800A3B, when used with an RF sweep generator, will provide a minimum of 800 watts of swept power.

The Model 800A3B is equipped with a digital control panel, which provides both local and remote control of the amplifier. The DCP uses a color LCD touch screen and a single rotary knob to offer status reporting and control capability. The display provides operational presentation of forward power and reflected power, plus control status and reports of internal amplifier status.

Special features include a gain control, RF output level protection, and a transformer with selectable taps for matching to different load impedances. All amplifier control functions and status indications are available remotely in GPIB/IEEE- 488, RS-232, RS-232 Fiber Optic, Ethernet and USB. The bus interface connectors are located on the back panel and positive control of local or remote operation is assured by a keylock on the front panel of the amplifier.

The 800A3B amplifier is intended for applications where the load impedance is not necessarily 50 ohms. The selectable output impedance provides the capability to drive loads that would otherwise cause a high SWR and limit the delivered power. The impedance matching transformer uses high-voltage/high-current vacuum relays so the user can “hot switch” between impedances without damage.

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