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Amplifier Research 125S1G4
Microwave Amplifier, 0.7 GHz - 4.2 GHz, 125W

Amplifiers - RF and Microwave >> Above 1 GHz and 101 Watt to 999 Watt >> Microwave Amplifier, 0.7 GHz - 4.2 GHz, 125W
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Manufacturer: Amplifier Research
Model: 125S1G4

Amplifier Research 125S1G4 Microwave Amplifier, 0.7 GHz - 4.2 GHz, 125W

Electronic Test and Measurement Equipment

Amplifier Research 125S1G4 Microwave Amplifier, 0.7 GHz - 4.2 GHz, 125W Product Datasheet Download Product Datasheet

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Product Overview

RENT Amplifier Research 125S1G4 (Call for Availability)

The Amplifier Research 125S1G4 is a portable, self-contained, air-cooled, broadband, and completely solid-state ampifier designed for applications that require instantaneous bandwidth, high gain, and linearity. Its push-pull circuitry is utilized in all power stages lowering distortion and improving stability.

Features and Specifications of the Amplifier Research 125S1G4 Amplifier include:

  • Features:
    • Provides a minimum of 125 watts of RF power when used with a sweep generator
    • Digital Control Panel (DCP):
      • Provides both local and remote control of the amplifier
      • Uses a digital display:
        • Provides operational presentation of Forward Power and Reflected Power
        • Provides control status
        • Provides reports of internal amplifier status
      • Uses menu assigned softkeys
      • Uses a single rotary knob
      • Uses four dedicated switches: POWER, STANDBY, OPERATE, and FAULT/RESET
      • Offers extensive control and status reporting capability
    • Gain control and RF output level protection
    • All control functions and status indications are available remotely in GPIB/IEEE-488 format, RS-232 hardwire and fiber optic, USB, and Ethernet
    • Bus interface connector on back panel
    • Keylock on front panel assures positive control of local or remote operation 
    • Low level of spurious signals and linearity make it ideal for these various uses:
      • A driver amplifier in testing wireless and communication components and subsystems
      • A test instrument covering multiple frequency bands
      • For communication technologies including CDMA, W-CDMA, TDMA, GSM, etc.
      • For EMC Test applications where undistorted modulation envelopes are needed
  • Specifications:
    • Rated power output:  125 watts minimum
    • Input for rated output:  1.0 milliwatt maximum
    • Power output @ 3dB compression:
      • Nominal:  140 watts
      • Minimum:  120 watts
    • Power output @ 1dB compression:
      • Nominal:  120 watts
      • Minimum:  100 watts
    • Flatness: 
      • Typical:  ±1.5 dB
      • Maximum:  ±2.0 dB
    • Frequency response:  0.7 – 4.2 GHz 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
    • RF power display:  0-200 watts
    • Output impedance:  50 ohms, 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
    • Modulation capability:  Will faithfully reproduce AM, FM, or pulse modulation appearing on the input signal
    • Third order intercept point:  60 dBm typical
    • Harmonic distortion:  Minus 20 dBc maximum at 115 watts
    • Spurious:  Minus 73 dBc typical
    • Phase Linearity:  ±1.0 deg/100 MHz, typical
    • Primary power (selected automatically):  
      • 90-132, 180-264 VAC
      • 50/60 Hz, single phase
      • 900 watts maximum
    • Connectors:
      • RF:  Type N female
      • Remote interfaces:
        • IEEE-488:  24 pin 
        • RS-232:  9 pin Subminiature D
        • RS-232 (fiber optic):  Type ST
        • USB 2.0:  Type B
        • Ethernet:  RJ-45
    • Safety interlock:  15 Pin Subminiature D
    • Cooling:  Forced air (self contained fans)

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