Amplifier Research 20S4G18 The Amplifier Research 20S4G18 is a portable, 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 20S4G18 Amplifier include:

Features:

• When used with a sweep generator, provides a minimum of 20 watts from 5 to 18 GHz and 12 watts  of RF power instantaneously from 4 to 5 GHz
• Digital Control Panel (DCP):
• Provides both local and remote control of the amplifier
• Uses a graphic liquid Crystal Display:
• Provides gain setting
• 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
• Input overdrive 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 connection on 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

Specifications:

• Rated power output:  
• 20 watts minimum (5-18 GHz)
• 12 watts minimum (4-5 GHz)
• Power output @ 3dB compression:
• Nominal:  25 watts
• Minimum:  
• 20 watts (5-18 GHz)
• 12 watts (4-5 GHz)
• Power output @ 1dB compression:
• Nominal:  22 watts
• Minimum:  
• 18 watts (5-18 GHz)
• 10 watts (4-5 GHz)
• Flatness @RFin= –20dBm:
• typical:  ±3.0 dB
• maximum:  ±4.0 dB
• Frequency response:  4 – 18 GHz instantaneously
• Input for rated output:  1.0 milliwatt maximum, 0 dBm
• Gain (at maximum setting):  
• 44 dB minimum (5-18 GHz)
• 42 dB minimum (4-5 GHz)
• 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 max at 20 watts (5-18 GHz) and 12 watts (4-5 GHz)
• Third order intercept point:  49 dBm typical
• Primary power (selected automatically): 
• 90-132, 180-264VAC
• 50/60 Hz, single phase
• Connectors:
• RF input:  Precision N female, rear
• RF output:  Precision N female, rear
• 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-4
• Safety interlock:  15 pin Subminiature D
• Cooling:  Forced air (self contained fans)

When used with a sweep generator, provides a minimum of 20 watts from 5 to 18 GHz and 12 watts  of RF power instantaneously from 4 to 5 GHz

Digital Control Panel (DCP):

• Provides both local and remote control of the amplifier
• Uses a graphic liquid Crystal Display:
• Provides gain setting
• 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
• Input overdrive 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 connection on 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

Provides both local and remote control of the amplifier

Uses a graphic liquid Crystal Display:

• Provides gain setting
• 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

Provides gain setting

Provides reports of internal amplifier status

Gain control

Input overdrive 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.

Rated power output:  

• 20 watts minimum (5-18 GHz)
• 12 watts minimum (4-5 GHz)

Power output @ 3dB compression:

• Nominal:  25 watts
• Minimum:  
• 20 watts (5-18 GHz)
• 12 watts (4-5 GHz)

Power output @ 1dB compression:

• Nominal:  22 watts
• Minimum:  
• 18 watts (5-18 GHz)
• 10 watts (4-5 GHz)

Flatness @RFin= –20dBm:

• typical:  ±3.0 dB
• maximum:  ±4.0 dB

Frequency response:  4 – 18 GHz instantaneously

Input for rated output:  1.0 milliwatt maximum, 0 dBm

Gain (at maximum setting):  

• 44 dB minimum (5-18 GHz)
• 42 dB minimum (4-5 GHz)

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 max at 20 watts (5-18 GHz) and 12 watts (4-5 GHz)

Third order intercept point:  49 dBm typical

Primary power (selected automatically): 

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

Connectors:

• RF input:  Precision N female, rear
• RF output:  Precision N female, rear
• 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-4

Safety interlock:  15 pin Subminiature D

Cooling:  Forced air (self contained fans)

20 watts minimum (5-18 GHz)

12 watts minimum (4-5 GHz)

Nominal:  25 watts

Minimum:  

• 20 watts (5-18 GHz)
• 12 watts (4-5 GHz)

20 watts (5-18 GHz)

12 watts (4-5 GHz)

Nominal:  22 watts

Minimum:  

• 18 watts (5-18 GHz)
• 10 watts (4-5 GHz)

18 watts (5-18 GHz)

10 watts (4-5 GHz)

typical:  ±3.0 dB

maximum:  ±4.0 dB

44 dB minimum (5-18 GHz)

42 dB minimum (4-5 GHz)

100% of rated power without foldback

Will operate without damage or oscillation with any magnitude and phase of source and load impedance

90-132, 180-264VAC

50/60 Hz, single phase

RF input:  Precision N female, rear

RF output:  Precision N female, rear

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-4

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-4

    

• Amplifier Research 20S4G18 - Datasheet (92 KB)