The Comtech PST BHE22748-200 is a high-power RF amplifier module engineered for demanding applications requiring significant signal amplification. This module operates within the 225-400 MHz frequency range and delivers a nominal output power of 200 Watts. It is characterized by its robust solid-state design, ensuring reliability and consistent performance in challenging environments. The BHE22748-200 is suitable for a variety of applications, including EW/ECM systems, communication systems, AM/FM transmitter boosters, TWT replacement, and RFI/EMI testing.
### Technical Specifications
**General:**
* **Manufacturer:** Comtech PST
* **Model:** BHE22748-200
* **Product Type:** RF Power Amplifier Module
* **Technology:** Solid State
**Electrical Specifications:**
* **Frequency Range:** 225-400 MHz
* **Output Power (P1dB Sat):** 200 Watts
* **Gain at P1dB:** 2.6 dB (minimum)
* **KVA:** 2.6
* **RF Input Power (for full output):** 1 mW (0 dBm)
* **Maximum RF Input:** +8 dBm
* **Class of Operation:** AB Linear
* **Modulation Formats Supported:** CW, AM, FM, Phase, and Pulse Modulation
* **Harmonics:** Not explicitly detailed, but generally within acceptable limits for the class of operation.
* **Spurious:** -60 dBc Maximum
* **AM Distortion (85% D.O.M.):** 10% Maximum
* **Pulse Rise/Fall Time (typical):** 150 ns
* **Noise Power Output:** -86 dBm/Hz typical (model dependent)
* **Efficiency (AC to RF):** 16% typical
**Interfaces:**
* **Digital Interface:** IEEE488 (for remote control and monitoring on some AR models, though not explicitly stated for BHE22748-200, it’s a common feature for similar series)
* **RF Input Connector:** Female Type N, Rear Panel
* **RF Output Connector:** Female Type N or SC, Rear Panel (model dependent)
* **AC Input:** Power Factor Corrected Universal Input 100-240 VAC, 50/60 Hz
**Physical Specifications:**
* **Dimensions (H x W x L):** 5.22 in x 13.26 in x 40 cm (approx. 5.22 inches x 13.26 inches x 15.75 inches)
* **Weight:** 40 lbs (approx. 18.19 kg)
**Protection and Reliability Features:**
* **Load VSWR Protection:** Electronic power output turndown system employing negative feedback; self-correcting for VSWR up to infinity at any phase angle. Typical response time of 60 μsec.
* **Input/Output Overdrive Protection:** Leveling loop system protects against input overdrive signals up to +8 dBm.
* **Field-replaceable modules:** Facilitates easier maintenance and reduces downtime.
* **Graceful degradation:** Maintains partial functionality even under fault conditions.
* **High efficiency switching power supplies:** Contributes to overall efficiency and reliability.
* **Standard 19” Rack Mount Configuration:** Designed for easy integration into standard rack systems.
**Applications:**
* EW/ECM systems
* Communication systems
* AM/FM transmitter boosters
* TWT replacement
* RFI/EMI testing
* High power calibration testing
Why Choose Aumictech for Comtech PST BHE22748-200?
At Aumictech, we specialize in supplying high-end RF power amplifier modules. Whether you need reliable signal amplification for electronic warfare systems, robust performance for communication infrastructure, or precise power output for testing applications, our team ensures the Comtech PST BHE22748-200 delivers maximum performance for your application.
