Tektronix Encore

Amplifier Research 20S4G11A
Microwave Amplifier, 4 - 10.6 GHz, 20W

Amplifiers - RF and Microwave >> Above 1 GHz and 100W or Less >> Microwave Amplifier, 4 - 10.6 GHz, 20W
Rent Used Test Equipment
Manufacturer: Amplifier Research
Model: 20S4G11A

Amplifier Research 20S4G11A Microwave Amplifier, 4 - 10.6 GHz, 20W

Electronic Test and Measurement Equipment

Amplifier Research 20S4G11A Microwave Amplifier, 4 - 10.6 GHz, 20W Product Datasheet Download Product Datasheet

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Product Overview


RENT AMPLIFIER RESEARCH 20S4G11A (Call for Availability)

The Amplifier Research 20S4G11A is a solid state, self-contained, air-cooled, broadband amplifier designed for applications that require instantaneous bandwidth and high gain. It is housed in a stylish cabinet and designed for benchtop use, but can be removed for equipment rack mounting.

Features and Specifications of the Amplifier Research 20S4G11A Amplifier include:

  • Features:
    • Provides a minimum of 20 watts of RF power when used with a sweep generator
    • Front panel gain control provides convenience of setting desired output level
    • RF input leveling circuit:
      • Protects the amplifier from RF input overdrive
      • Controls RF input level to the RF amplifier first stage when RF input level is increased above 0 dBm
    • RF amplifier stages are protected from over-temperature, due to cooling blockage or fan failure, by removing the DC voltage to them 
    • Digital Display on front panel indicates operate status and fault conditions when over-temperature or power supply fault occurs
    • Digital control for both local and remote control of amplifier
    • Control System is a 16-bit RISC microcontroller board:
      • Handles primary functions of the amplifier
      • Interprets commands sent to it from an 8-bit remote interface board:
        • 8-bit microprocessor controlled board provides both IEEE-488 (GPIB) and asynchronous, full duplex RS-232 control of all amplifier functions
    • Provides standalone performance for RF testing
    • Can be configured to be used as a sub-amplifier in higher power amplifiers:
      • Yet still be used as a standalone 20-Watt amplifier
      • RF output connector must be configured to the rear panel to be used as a sub-amplifier 
  • Specifications:
    • Rated output power:  10 watts minimum
    • Power output @ 3dB compression:
      • Nominal:  25 watts
      • Minimum:  20 watts
    • Power output @ 1dB compression:
      • Nominal:  22 watts
      • Minimum:  18 watts
    • Flatness:
      • typical:  ±2.0 dB
      • maximum:  ±3.0 dB
    • Frequency response:  4.0 – 10.6 GHz instantaneously
    • Input for rated output:  1.0 milliwatt maximum, 0 dBm
    • Gain (at maximum setting):  43 dB minimum
    • Gain adjustment (continuous range):  10 dB minimum
    • Input impedance:  50 ohms, VSWR 2.5:1 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
    • Harmonic distortion:  Minus 20 dBc maximum at 20 watts
    • Third order intercept point:  52 dBm typical
    • Primary power (selected automatically): 
      • 90-132, 180-264VAC
      • 50/60 Hz, single phase
    • Connectors:
      • RF Input:  Type N female on front panel
      • RF Output:  Type N female on front panel
      • Remote Interfaces:
        • IEEE-488:  24 pin female
        • RS-232:  9 pin Subminiature D (female)
        • RS-232 (fiber-optic):  Type ST
        • USB 2.0:  Type B
        • Ethernet:  RJ-45
      • Sub-Amplifier Interface:  RJ-45
    • Safety Interlock:  15 pin Subminiature D
    • Cooling:  Forced air (self contained fans)


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Phone: (760) 806-6600