Amplifier Research 20S1G4

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RF Amplifier 0.7 – 4.2 GHz 20W

Amplifier Research 20S1G4 The Amplifier Research 20S1G4 is a solid state, self-contained, air-cooled, broadband amplifier designed for applications where instantaneous bandwidth and high gain are required. It is housed in a stylish cabinet and designed forbenchtop use, but can also be removed for immediate equipment rack mounting.Features and Specifications of the Amplifier Research 20S1G4 include:

• Provides a minimum of 20 watts of RF power when used with a sweep generator
• RF input leveling circuit:
• Controls the RF input level to the RF amplifier first stage when the RF input level is increased above 0 dBm
• Protects the amplifier from RF input overdrive
• 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
• Digital display on the front panel indicates the operate status and fault conditions when an over-temperature or power supply fault has occurred
• Digital control for both local and remote control of the amplifier
• 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
• Local/Remote switch on front panel assures positive control of local or remote operation

• Rated power output:  20 watts minimum
• Power Output@ 3dB compression:
• Nominal:  25 watts
• Minimum:  20 watts
• Power Output@ 1dB compression:
• Nominal:  22 watts
• Minimum:  18 watts
• Flatness: 
• Typical:  ±1.5 dB
• Maximum:  ±2.0 dB
• Frequency response:  0.7 – 4.2GHz instantaneously
• Input for rated output:  1.0 milliwatt maximum
• Gain (at maximum setting):  43 dB minimum
• Gain adjustment (continuous range):  10 dB minimum (4096 steps remote)
• 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
• Harmonic distortion:  Minus 20 dBc maximum at 20 watts
• Spurious:  Minus 73 dBc typical
• Third order intercept point:  52 dBm typical
• Noise figure:  10 dB typical
• Primary power (selected automatically): 
• 90-132, 180-264 VAC
• 50/60 Hz, single phase
• 210 watts maximum
• Connectors:
• RF:  Type N female
• 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
• Safety interlock:  15 Pin Subminiature D
• Cooling:  Forced air (self contained fans) 

• Controls the RF input level to the RF amplifier first stage when the RF input level is increased above 0 dBm
• Protects the amplifier from RF input overdrive

• Nominal:  25 watts
• Minimum:  20 watts

• Nominal:  22 watts
• Minimum:  18 watts

• Typical:  ±1.5 dB
• Maximum:  ±2.0 dB

• 100% of rated power without foldback
• Will operate without damage or oscillation with any magnitude and phase of source and load impedance

• 90-132, 180-264 VAC
• 50/60 Hz, single phase
• 210 watts maximum

• RF:  Type N female
• 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

• 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