S-Series Microwave Amplifiers

AR RF / Microwave Instrumentation

The AR RF/Microwave S-Series Microwave Amplifiers is a broadband Class A solid-state microwave power amplifier designed to provide reliable power for EMC and immunity testing. These units deliver stable CW output across a wide frequency range of 0.7 GHz to 18 GHz with power levels ranging from 20 W up to 1 kW. Their rugged design ensures 100% mismatch tolerance, making them ideal for driving difficult loads in HIRF, radar, and electronic warfare applications.

Key Specifications & Features

  • Frequency Range: 0.7 GHz to 18 GHz
  • Output Power: 20 W to 1000 W CW (model dependent)
  • Amplifier Class: Class A solid-state design
  • Load Handling: 100% mismatch tolerant (high VSWR)
  • Remote Control: Ethernet, USB, GPIB, RS-232, and fiber-optic serial
  • Signal Quality: Low harmonic distortion and low spurious emissions
  • Maintenance: Modular design for easy service and high reliability
  • Acoustics: Low acoustical noise for laboratory environments
Overview & Applications
BrandAR RF / Microwave Instrumentation
Frequency Range0.7 GHz to 18 GHz
Output power20 W to 1 kW CW
Amplifier classClass A
Load handling100% mismatch tolerant (high VSWR)
75S6G18CSolid State Microwave Amplifier, 75 W CW, 6.0 – 18.0 GHz
125S6G18CSolid State Microwave Amplifier, 125 W CW, 6.0 – 18.0 GHz
250S6G18CSolid State Microwave Amplifier, 250 W CW, 6.0 – 18.0 GHz
450S6G18CSolid State Microwave Amplifier, 450 W CW, 6.0 – 18.0 GHz
250S1G6CSolid State Microwave Amplifier 250 W CW, 1.0 – 6.0 GHz
500S1G6CSolid State Microwave Amplifier, 500 W CW, 1.0 – 6.0 GHz
750S1G6CSolid State Microwave Amplifier, 750 W CW, 1.0 – 6.0 GHz
1000S1G6CSolid State Microwave Amplifier, 1000 W CW, 1.0 – 6.0 GHz
AR4i8-030Solid State Microwave Amplifier, 30 W CW, 4.0 – 8.0 GHz
AR4i8-050Solid State Microwave Amplifier, 50 W CW, 4.0 – 8.0 GHz
AR4i8-100Solid State Microwave Amplifier, 100 W CW, 4.0 – 8.0 GHz
AR4i8-200Solid State Microwave Amplifier, 200 W CW, 4.0 – 8.0 GHz
AR4i8-400Solid State Microwave Amplifier, 100 W CW, 4.0 – 8.0 GHz
20S6G18CSolid State Microwave Amplifier, 20 W CW, 6.0 – 18.0 GHz
40S6G18CSolid State Microwave Amplifier, 40 W CW, 6.0 – 18.0 GHz
AR08G6-400Solid State Microwave Amplifier, 400 W CW, 0.8 – 6.0 GHz
125S1G2z5Solid State Microwave Amplifier, 125 W CW, 1 – 2.5 GHz
AR08G6-800Solid State Microwave Amplifier, 800 W CW, 0.8 – 6.0 GHz
250S1G2z5BSolid State Microwave Amplifier, 250 W CW, 1 – 2.5 GHz
30S1G6CSolid State Microwave Amplifier, 30 W CW, 1.0 – 6.0 GHz
500S1G2z5ASolid State Microwave Amplifier, 500 W CW, 1 – 2.5 GHz
75S1G6CSolid State Microwave Amplifier, 75 W CW, 1.0 – 6.0 GH

S-Series Microwave Amplifiers

  The AR RF/Microwave S-Series represents a premier line of microwave power amplifiers engineered for demanding laboratory and field environments. These broadband systems are optimized for EMC immunity testing, electronic warfare, and scientific research where consistent performance is critical. By utilizing a Class A design, the S-Series provides exceptional linearity and low noise figures, ensuring that the amplified signal remains true to the source even at high power levels. Constructed with a rugged, solid-state architecture, these amplifiers are specifically designed to handle 100% mismatch without damage or foldback. This high VSWR tolerance makes them ideal for driving non-50 Ω loads often encountered in antenna testing and complex RF setups. Furthermore, the series features built-in fault monitoring and protection circuits to safeguard the hardware during continuous operation, while the low acoustical noise design improves the working environment. The series offers extensive versatility through a wide range of models, including the 75S6G18C, 1000S1G6C, and the AR08G6 series, covering various frequency bands and power requirements from 20 W to 1000 W. Specific configurations such as the 450S6G18C (450 W, 6-18 GHz) and the 1000S1G6C (1000 W, 1-6 GHz) allow users to tailor the system to their exact testing needs. Integration into automated test systems is seamless thanks to comprehensive remote control options such as Ethernet, USB, and GPIB, backed by a modular design for easy long-term maintenance.

Class A Linearity

Delivers low harmonic distortion and superior signal purity for precise microwave testing.

Broadband Frequency Coverage

Supports a wide range of applications from 0.7 GHz to 18 GHz across various modular models.

Rugged Solid-State Architecture

Ensures high reliability and simplified maintenance for long-term laboratory and military use.

Comprehensive Fault Protection

Features internal monitoring to protect the amplifier against over-temperature and extreme load mismatches.

View Models & Options

Mismatch Tolerance and Reliability

The S-Series is engineered to be 100% mismatch tolerant, allowing it to operate safely into high VSWR loads without the risk of damage. This ruggedness is essential for EMC testing environments where load impedance can fluctuate significantly during the test cycle.

Advanced Remote Control and Integration

Equipped with multiple interface options including Ethernet, USB, and fiber-optic serial, these amplifiers are ready for modern automated test benches. The built-in fault monitoring provides real-time status updates and protection to ensure system safety during unattended remote operation.

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