The Comtech PST AR1819-25 is a solid-state RF amplifier module designed for high-frequency applications. It operates within the 18 to 19 GHz frequency range and is engineered to deliver a stable output power of 25 watts. This amplifier module is suitable for demanding environments and critical systems, including satellite communications, radar installations, and sophisticated test and measurement equipment.
### Technical Specifications
**General Features**
* **Product Name:** Comtech PST AR1819-25
* **Manufacturer:** Comtech PST
* **Product Type:** Solid-State RF Amplifier Module
* **Core Technology:** Solid-state RF power amplification
**Electrical Specifications**
* **Frequency Range:** 18 to 19 GHz
* **Output Power:** 25 Watts
* **Power Supply:** Not specified in available documentation. Series AR amplifiers (which may incorporate Series AM amplifiers) typically feature a universal AC power supply for models up to 100 watts, and are often designed for operation with +28V or +270V DC input.
**Performance Characteristics**
* **Gain:** Specific gain figures are not available for the AR1819-25 model in the provided search results. However, Comtech PST amplifiers in similar series (e.g., AM and AR) offer gains ranging from 10 dB min to over 50 dB min, depending on the specific model and frequency band.
* **1 dB Compression Point (P1dB):** Not specified for the AR1819-25 model. Other Comtech PST Series AM amplifiers are specified with output power at 1 dB compression ranging from 2 to 100 Watts.
* **Harmonic Distortion:** Not specified for the AR1819-25 model. Some Comtech PST GaN-based amplifiers feature low harmonic distortion.
* **Efficiency:** Not specified.
**Interfaces and Control**
* **Remote Control:** Not specified for the AR1819-25. However, Comtech PST Series AR amplifier models offer an optional IEEE BUS for remote control and monitoring (ARD version).
* **Connectors:** Not specified in available documentation. RF amplifiers typically utilize standard RF connectors such as SMA, N-type, or TNC, depending on power and frequency requirements.
**Physical Characteristics**
* **Dimensions:** Not specified for the AR1819-25 model. Comtech PST offers amplifier modules and rack-mountable units in various sizes. For example, some solid-state power amplifier modules (e.g., BME69189-100) are described as small form factor (SFF).
* **Weight:** Not specified.
* **Cooling:** Not specified for the AR1819-25. However, Comtech PST Series AR amplifiers are typically forced-air cooled by built-in blowers.
**Environmental Considerations**
* **Operating Temperature:** Not specified.
* **Storage Temperature:** Not specified.
* **Humidity:** Not specified.
* **Vibration/Shock:** Not specified. Comtech PST products are often designed for rugged applications in military and aerospace sectors.
**Applications**
* Satellite Communications
* Radar Systems
* Test and Measurement Equipment
* Electronic Warfare (EW) systems
* TWT/MPM Replacement
* RFI/EMC testing
* Radio Transmitters
* General Laboratory Testing
**Certifications and Compliance**
* **ISO 9001:** Comtech PST Corp. is an ISO 9001:2000-certified company.
* **CE Compliant:** Some Comtech PST models are CE compliant.
* **MIL-STD-461 RS103, RTCA/DO-160 Section 20:** Some models meet these standards.
### Why Choose Aumictech for Comtech PST AR1819-25?
At Aumictech, we specialize in supplying high-end RF and microwave components. Whether you need a high-performance 18-19 GHz amplifier for satellite communications, a robust 25-watt output solution for radar systems, or a reliable module for advanced test equipment, our team ensures the Comtech PST AR1819-25 delivers maximum performance for your application.

















