The Model 40S4G18 is a portable, self-contained, air-cooled, broadband, completely solid-state amplifier designed for applications where instantaneous bandwidth, high gain and linearity are required. The Model 40S4G18, when used with a sweep generator, will provide a typical 45 watts of RF power instantaneously from 4.2 to 18 GHz.
The Model 40S4G18 is equipped with a Digital Control Panel (DCP) which provides both local and remote control of the amplifier. The DCP uses a graphic Liquid Crystal Display, menu assigned softkeys, a single rotary knob, and a dedicated power on/off switch to offer extensive control and status reporting capability. The display provides gain setting and reports of internal amplifier status. Special features include a gain control and input overdrive protection.
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 buss interface connector is located on the back panel and positive control of local or remote operation is assured by a keylock on the front panel of the amplifier.
The Model 40S4G18 is designed to have low spurious signals, linearity and is extremely load tolerant which enables it to be used in many RF applications such as: RF susceptibility testing, antenna/component testing, and communication technology testing. 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, UWB, WiMAX etc.
| Specifications |
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Amplifier Research 40S4G18
Solid-State Amplifier
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| Feature | Parameter |
| Rated Power Output | 35 watts minimum, 45 watts typica |
| Input for Rated Output | 1.0 milliwatt maximum, 0 dBm |
| Power Output @ 3dB Compression | Nominal; 46 watts
Minimum; 37 watts (5-18 GHz); 20 watts (4.2–5 GHz)
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| Power Output @ 1dB Compression | Nominal; 40 watts
Minimum; 30 watts (5-18 GHz); 18 watts (4.2–5 GHz
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| Frequency Response | 4.2–18 GHz instantaneously |
Gain
(at max. setting)
| 48 dB minimum |
Gain Adjustment
(Continuous Range)
| 10 dB minimum |
| Input Impedance | 50 ohms, VSWR 2.5:1 maximum |
| Output Impedance | 50 ohms, nominal |
| Connectors | Precision N female |
| Remote Interfaces | IEEE-488 - 24 pin
RS-232 - 9 pin Subminiature D
RS-232 (fiber optic) - Type ST
USB 2.0 - Type B
Ethernet - RJ-45
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| Specifications |
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Amplifier Research 40S4G18
Solid-State Amplifier
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| Model Overview |
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| Model | RF Input | RF Output | Weight | Size |
| 40S4G18 | Precision N female, rear | Precision N female, rear | With enclosure: 41 kg (90 lb)
With enclosure removed for rack mounting: 30 kg (68 lb)
| 50.3 X 24.9 X 54.6cm
(19.8 x 9.8 x 21.5 in)
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| 40S4G18M2 | Precision N female, front | Precision N female, rear | With enclosure: 41 kg (90 lb)
With enclosure removed for rack mounting: 30 kg (68 lb)
| 50.3 X 24.9 X 54.6cm
(19.8 x 9.8 x 21.5 in)
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| 40S4G18M4 | Same as 40S4G18 but with enclosure removed for rack mounting. | Same as 40S4G18 but with enclosure removed for rack mounting. | With enclosure: 41 kg (90 lb)
With enclosure removed for rack mounting: 30 kg (68 lb)
| 50.3 X 24.9 X 54.6cm
(19.8 x 9.8 x 21.5 in)
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