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
| Model | RFSP-20-520-100W |
| Product Category | RF Power Amplifiers |
| Operating Frequency | 20–520 MHz |
| Saturated Output Power (PSAT) | ≥ 50 dBm (100 W) |
| Small-Signal Gain | 47 dB (typ.) |
| Gain Flatness | ±2 dB |
| Power Added Efficiency | 40% |
| Harmonics / Spurious | –10 dBc / –60 dBc (typ.) |
| Input VSWR | 3:1 (input return loss –10 dB) |
| RF Connectors | SMA Female (input) / N-Type Female (output), 50 Ω |
| DC Supply | +24 to +32 VDC (28 V typ.) |
| Control Interface | D-Sub 9-pin male — ENABLE (TTL logic high), current sense (100 mV/A), temperature sense (10 mV/°C), mating connector included |
| Protection | Thermal shutdown at +85 °C ±5 °C, auto-recovery at +60 °C |
| Max RF Input | +10 dBm |
| Cooling | External heatsink required (optional heatsink available) |
| Dimensions / Weight | 200 × 150 × 25 mm / 2.0 kg |
| Operating Temperature | –20 to +60 °C |
| Applications | Military radio, communication systems, high-gain driver amplifier, EMC applications, test and measurement |
| Supply | Available for project-based configuration and quotation |
Specifications subject to change without prior notice. Contact RFsatellite for the latest data and project-based configuration.




