Amplifier Research 120S4G8

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RF Amplifier 4 – 8 GHz 120W

  Amplifier Research 120S4G8 The Amplifier Research 120S4G8 is a self-contained, air-cooled, broadband, solid-state amplifier designed for applications that require instantaneous bandwidth, high gain and linearity. Features and Specifications of the Amplifier Research 120S4G8 include: 

• Provides a minimum of 120 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 graphic liquid Crystal 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 a dedicated on/off switch
• Offers extensive control and status reporting capability
• Special features:
• Gain control
• Internal/external automatic level control (ALC) with front panel control of the ALC threshold
• Pulse input capability
• RF output level protection
• Internal RF detector which provides an output for use in self-testing or operational modes
• 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 connectoron back panel
• Keylock on front panel assures positive control of local or remote operation
• Low spurious signals, linearity, and load tolerance make it ideal for these various uses:
• RF susceptibility testing
• Antenna/component testing
• Communication technology testing
• As a test instrument covering multiple frequency bands
• Suitable for communication technologies including CDMA, W-CDMA, TDMA, GSM, UWB, WiMAX etc.
• Expandable power and versatility:
• Consists of four 35S4G8 sub-amplifiers housed in a singe equipment rack with controller
• Can function as one amplifier
• Can be separated into four separate 35S4G8 amplifiers which can be used independently

• Rated power output:  120 watts minimum
• Power output @ 3dB compression:
• Nominal:  135 watts
• Minimum:  120 watts
• Power output @ 1dB compression:
• Nominal:  120 watts
• Minimum:  100 watts
• Flatness:
• ±1.5 dB typical
• ±2.5 dB maximum
• Frequency response:  4.0 – 8.0 GHz instantaneously
• Input for rate output:  1.0 milliwatt maximum, 0 dBm
• Gain (at maximum setting):  50.8 dB minimum
• Gain adjustment (continuous range):  15 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 120 watts
• Third order intercept point:  58 dBm typical
• RF power display:  Digital, forward and reflected
• Primary power: 
• 90-132, 180-264 VAC
• 50/60 Hz, single phase
• Connectors:
• RF Input:  Type N female on front panel
• RF Output:  Type N female on rear panel
• External leveling inputs:  Type BNC female on front panel
• Pulse modulation input: Type BNC female on front panel
• Detected RF output:  Type BNC 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
• Safety Interlock:  15 Pin Subminiature D
• Cooling:  Forced air (self contained fans)

• Provides both local and remote control of the amplifier
• Uses a graphic liquid Crystal 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 a dedicated on/off switch
• Offers extensive control and status reporting capability

• Gain control
• Internal/external automatic level control (ALC) with front panel control of the ALC threshold
• Pulse input capability
• RF output level protection

• RF susceptibility testing
• Antenna/component testing
• Communication technology testing
• As a test instrument covering multiple frequency bands
• Suitable for communication technologies including CDMA, W-CDMA, TDMA, GSM, UWB, WiMAX etc.

• Consists of four 35S4G8 sub-amplifiers housed in a singe equipment rack with controller
• Can function as one amplifier
• Can be separated into four separate 35S4G8 amplifiers which can be used independently

• Provides operational presentation of forward power and reflected power
• Provides control status
• Provides reports of internal amplifier status

• Nominal:  135 watts
• Minimum:  120 watts

• Nominal:  120 watts
• Minimum:  100 watts

• ±1.5 dB typical
• ±2.5 dB maximum

• 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

• RF Input:  Type N female on front panel
• RF Output:  Type N female on rear panel
• External leveling inputs:  Type BNC female on front panel
• Pulse modulation input: Type BNC female on front panel
• Detected RF output:  Type BNC 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

• 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