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AR-125S1G4 125 Watt CW, 0.7 GHz - 4.2GHz (w/DCP, IEEE, RS-232, USB & Ethernet Interfaces)

RATED OUTPUT POWER: 125 W minimum

INPUT FOR RATED OUTPUT: 1.0 mW Max

POWER OUTPUT @ 3dB COMPRESSION: Typical: 95 watts, Minimum: 80 watts

POWER OUTPUT @ 1dB COMPRESSION: ;Typical: 85 watts, Minimum: 70 watts

FLATNESS: ±1.5 dB typical, ±2.0 dB maximum

FREQUENCY RESPONSE: 0.7–4.2GHz instantaneously

GAIN (at maximum setting): 51 dB minimum

GAIN ADJUSTMENT (Continuous Range) : 15 dB minimum (4096 steps remote)

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

HARMONIC DISTORTION: -20 dBc maximum at 115 watts

THIRD ORDER INTERCEPT POINT: 58 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-125S1G4

Manufacturer:

Amplifier Research

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The Model 125S1G4 is a portable, selfcontained, air-cooled, broadband, completely solid-state amplifier designed for applications where instantaneous bandwidth, high gain and linearity are required. Push-pull circuitry is utilized in all high power stages in the interest of lowering distortion and improving stability. The Model 125S1G4, when used with a sweep generator, will provide a minimum of 125 watts of RF power.

The Model 125S1G4 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 and a single rotary knob to offer status reporting and control capability. The display provides Forward Power and Reflected Power values plus amplifier status. Special features include a gain control, internal automatic level control (ALC) with front panel control at the ALC threshold, and RF output level protection.

All amplifier control functions and status indications are available remotely in GPIB/IEEE-488 format, RS232 hardwire and fiber optic, USB and Ethernet. Remote interface connectors are located on the back panel and local or remote operation is determined by a keylock switch on the front panel of the amplifier.

The low level of spurious signals and linearity of the Model 125S1G4 make it ideal for use as a driver amplifier in testing wireless and communication components and subsystems. It can be used as a test instrument covering multiple frequency bands and is suitable for a variety of communication technologies such as CDMA, W-CDMA, TDMA, GSM etc. It is also suitable for EMC Test applications where undistorted modulation envelopes are desired.

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Description
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Query on the Item?

The Model 125S1G4 is a portable, selfcontained, air-cooled, broadband, completely solid-state amplifier designed for applications where instantaneous bandwidth, high gain and linearity are required. Push-pull circuitry is utilized in all high power stages in the interest of lowering distortion and improving stability. The Model 125S1G4, when used with a sweep generator, will provide a minimum of 125 watts of RF power.

The Model 125S1G4 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 and a single rotary knob to offer status reporting and control capability. The display provides Forward Power and Reflected Power values plus amplifier status. Special features include a gain control, internal automatic level control (ALC) with front panel control at the ALC threshold, and RF output level protection.

All amplifier control functions and status indications are available remotely in GPIB/IEEE-488 format, RS232 hardwire and fiber optic, USB and Ethernet. Remote interface connectors are located on the back panel and local or remote operation is determined by a keylock switch on the front panel of the amplifier.

The low level of spurious signals and linearity of the Model 125S1G4 make it ideal for use as a driver amplifier in testing wireless and communication components and subsystems. It can be used as a test instrument covering multiple frequency bands and is suitable for a variety of communication technologies such as CDMA, W-CDMA, TDMA, GSM etc. It is also suitable for EMC Test applications where undistorted modulation envelopes are desired.

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