Tektronix Encore

Amplifier Research 120S1G4
Microwave Amplifier, 0.8 - 4.2 GHz, 120W

Amplifiers - RF and Microwave >> Above 1 GHz and 101 Watt to 999 Watt >> Microwave Amplifier, 0.8 - 4.2 GHz, 120W
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Manufacturer: Amplifier Research
Model: 120S1G4

Amplifier Research 120S1G4 Microwave Amplifier, 0.8 - 4.2 GHz, 120W

Electronic Test and Measurement Equipment

Amplifier Research 120S1G4 Microwave Amplifier, 0.8 - 4.2 GHz, 120W Product Datasheet Download Product Datasheet

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Product Overview

RENT Amplifer Research 120S1G4 (call for availability)

The Amplifier Research 120S1G4 Amplifier is a solid state, self-contained, air-cooled, broadband amplifier designed for applications where instantaneous bandwidth, high gain and linearity are required. Housed in a stylish contemporary cabinet, the unit is designed for benchtop use, but can be removed from the cabinet for immediate equipment rack mounting.

The AR 120S1G4, when used with a sweep generator, will provide a minimum of 60 watts of RF power. Included is a front panel gain control which permits the operator to conveniently set the desired output level. The 120S1G4 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 0 dBm. 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. There is a digital display on the front panel 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 in GPIB/IEEE-488 format, RS-232 hardwire and fiber optic, USB, and Ethernet. The bus interface connector is located on the back panel and positive control of local or remote operation is assured by a Local/Remote switch on the front panel of the amplifier.

The low level of spurious signals and linearity of the Model 120S1G4 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.

Specifications of the Amplifier Research 120S1G4 include:

  • Frequency Range: 0.8 to 4.2 GHz
  • Rated Power: 120 Watt
  • Input for Rated Output: 1 mw max
  • Power Output @ 3dB compression:
    • Nominal: 140W
    • Minimum: 115W
  • Flatness:
    • ± 1.5dB typical
    • ±2.0 dB max
  • Frequency Response: 0.8 - 4.2 GHz instantaneously
  • Gain (at max setting): 51 dB minimum
  • Gain Adjustment:
    • Continuous Range: 15dB minimum (4096 steps remote)
  • RF Power Display: 0-200W
  • Input Impedance: 50 ohms, VSWR 2.0:1 maximum
  • 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: 61 dBm typical
  • Harmonic Distortion: Minus 20 dBc max at 100W
  • Spurious: Minus 73 dBc typical
  • Phase Linearity: ± 1.0 deg/100 MHz typical
  • Primary Power: 90-132, 180-264 VAC, 50/60 Hz, single phase, 900 watts maximum
  • Connectors:
    • RF: Type N(f)
    • Remote Interfaces availalbe (IEEE, RS-232, USB, Ethernet)
    • Cooling: forced air

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Phone: (760) 806-6600