The R & K Company Limited A250-R is a broadband RF power amplifier engineered for signal amplification across 300 MHz to 3000 MHz. This device delivers typical small-signal gain of +33 dB with minimum output power of +30 dBm (300–2500 MHz) and +32 dBm (2500–3000 MHz), making it suitable for RF systems requiring wideband coverage and substantial output capability.
Technical Specifications
Frequency Range: 300 MHz to 3000 MHz Small-Signal Gain:
• Typical: +33 dB
• Minimum: +29 dB Gain Flatness:
• Typical: +1.5 dB
• Maximum: +2.0 dB Output Power (@ 1 dB Gain Compression):
• Minimum: +30 dBm (300–2500 MHz)
• Minimum: +32 dBm (2500–3000 MHz) Input Noise Figure: 8.0 dB typical 2-Tone 3rd Order Intermodulation (Output): +40 dBm typical Maximum Input Power: +5 dBm Input Return Loss: 13 dB typical Output Return Loss: 5 dB typical Power Supply: AC 100 V, 50/60 Hz Power Consumption: 4 A maximum Operating Temperature: −10°C to +45°C Storage Temperature: −15°C to +65°C – Key Features • Wideband operation spanning UHF through microwave frequencies
• SMA female connectors on input and output
• 50 Ω impedance matching for standard RF system integration
• Low input noise figure of 8.0 dB supports sensitive signal paths
• Strong third-order intercept performance at +40 dBm – Typical Applications RF test systems, communication signal processing, broadband measurement setups, and general-purpose RF amplification requiring flat gain response across extended frequency bands. – Compatibility & Integration The A250-R interfaces via SMA female connectors and operates at 50 Ω impedance. Supply requirements are standard AC 100 V single-phase at 50/60 Hz with maximum current draw of 4 A.
