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20-520MHz 100W Broadband Power Amplifier RFSP-20-520-100W
RFSP-20-520-100W

20-520MHz 100W Broadband Power Amplifier RFSP-20-520-100W

RFSP-20-520-100W is a 20-520MHz broadband 100W class-AB power amplifier with 47dB gain, ±2dB flatness and 40% PAE, offering TTL shutdown, current and temperature sensing in a 200x150x25mm module for military radio, communications, EMC and test applications.

Project-based configurationEngineering selection supportWorldwide B2B supply
Technical information

Product details

Product Overview

The RFSP-20-520-100W is a high-power broadband class-AB amplifier covering 20–520 MHz with 100 W of saturated output power. LDMOS chip-and-wire construction delivers state-of-the-art power performance with an excellent power-to-volume ratio, ideal for broadband high-power linear applications.

Built-in control functions include TTL shutdown, current sense and temperature sense via a D-Sub 9-pin interface (mating connector included). An external heatsink is required for operation; an optional heatsink is available for extended continuous operation.

Key Features

  • 20–520 MHz instantaneous ultra-broadband coverage

  • 100 W saturated output power

  • 47 dB power gain (typ.), flatness ±2 dB

  • Power added efficiency: 40%

  • TTL shutdown with current and temperature sense functions

  • 50 Ω matched input and output, unconditionally stable

  • Class AB design with D-Sub control connector (mating connector included)

Product Information

ModelRFSP-20-520-100W
Product CategoryRF Power Amplifiers
Operating Frequency20–520 MHz
Saturated Output Power (PSAT)≥ 50 dBm (100 W)
Small-Signal Gain47 dB (typ.)
Gain Flatness±2 dB
Power Added Efficiency40%
Harmonics / Spurious–10 dBc / –60 dBc (typ.)
Input VSWR3:1 (input return loss –10 dB)
RF ConnectorsSMA Female (input) / N-Type Female (output), 50 Ω
DC Supply+24 to +32 VDC (28 V typ.)
Control InterfaceD-Sub 9-pin male — ENABLE (TTL logic high), current sense (100 mV/A), temperature sense (10 mV/°C), mating connector included
ProtectionThermal shutdown at +85 °C ±5 °C, auto-recovery at +60 °C
Max RF Input+10 dBm
CoolingExternal heatsink required (optional heatsink available)
Dimensions / Weight200 × 150 × 25 mm / 2.0 kg
Operating Temperature–20 to +60 °C
ApplicationsMilitary radio, communication systems, high-gain driver amplifier, EMC applications, test and measurement
SupplyAvailable for project-based configuration and quotation

Specifications subject to change without prior notice. Contact RFsatellite for the latest data and project-based configuration.