1000-6000MHz & 4000-8000MHz 50W GaN SSPA Modules | 47dB Gain

The MCW broadband solid-state power amplifier (SSPA) series delivers 50 Watts of typical saturated output power across multi-octave bands, featuring a high 47 dB power gain for immediate transmitter and laboratory infrastructure integration. Utilizing advanced Gallium Nitride (GaN) semiconductor devices and high-reliability chip-and-wire technology, these compact modules provide an elite power-to-volume ratio, making them ideal for high-power commercial S-band and C-band communication downlinks, aerospace telemetry networks, and industrial EMI/EMC testing enclosures.

System integration engineers and RF procurement desks matching high-frequency hardware to specific link budgets face severe real-world constraints. Selecting a high-power Broadband Amplifier requires evaluating absolute electrical safety boundaries, in-band gain flatness, and verified continuous-wave (CW) load-mismatch thermal behavior.

1. Comparing 1-6 GHz and 4-8 GHz GaN Hardware Architectures

Broadband analog processing setups require power stages to maintain absolute gain stability without presenting self-oscillation or steep output power drops at the band edges. Our solid-state modules deploy targeted hardware configurations to match distinct architectural spectrum intents:

• The MCW1060M47A Block (1000 to 6000 MHz): Covers an ultra-wide instantaneous bandwidth with a 50W power baseline. It features a typical power gain of 47 dB with a controlled flatness of ±3 dB across the full 5000 MHz window, drawing a managed 9A current at 30VDC under full saturation.
• The MCW4080M47A Block (4000 to 8000 MHz): Targets dedicated high-frequency C-band processing. This module locks gain flatness tightly down to an elite ±1.5 dB across the 4-8 GHz spectrum, outputting a highly stable 50W saturation baseline while operating under an 8A current draw at 28VDC.

Both modules integrate a fast-acting internal gating switch, compressing the On/Off turn-on time down to 2 μs typical (5 μs maximum). This allows system hosts to use these blocks in rapid pulse-modulation setups or time-division multiplexed (TDM) telemetry arrays.

2. Hard Parameter Matrices: Electrical and Mechanical Comparison

To assist rapid system layout evaluation, the core mechanical and electrical baselines of both 50W GaN amplifier modules are summarized below:

Technical Parameter	MCW1060M47A Base Block	MCW4080M47A Base Block	Unit / Notes
Operating Frequency Range	1000 – 6000	4000 – 8000	MHz (Continuous Window)
Saturated Output Power (Pout)	50 (Typical)	50 (Typical)	Watt Minimum Baseline
Typical Power Gain (Gp)	47	47	dB (Nominal)
Gain Flatness Stability	±3.0	±1.5	dB (Across Rated BW)
Input Return Loss (S11)	-10	-10	dB Maximum Limit
Harmonic Distortion	-15	-15	dBc Typical @ Full Pout
Operating DC Voltage Bus	28 – 32 (30V Typ)	26 – 30 (28V Typ)	Volt Direct Current
Physical Module Dimensions	160 x 90 x 25	160 x 100 x 30	mm (Maximum Envelope)
Total Structural Mass	2.0	2.0	kg Maximum Weight
RF Coaxial Interfaces	SMA Female	SMA Female	50 Ohm Impedance

When configuring large-scale industrial laboratory setups or linking multiple channels into a rack-mounted RF Amplifier Subsystem, both modules can share an identical layout footprint width of 160mm. They utilize a standard D-Sub multi-pin interface interface for real-time remote telemetry feedback, reporting analog module temperatures at 10 mV/°C and drain current at 100 mV/A.

3. Real-World Protection Boundaries, Factory Testing, and Open Inquiries

Desktop simulations cannot predict how a high-power GaN stage will react when hit with heavy reflected power under severe load-mismatch conditions. Trading entities often mask hardware vulnerabilities with generic marketing phrases; our production lines focus entirely on empirical verification data.

Our production facility enforces a mandatory safety margin workflow for every single batch:

• Unconditional Load VSWR Protection: The internal GaN transistor gates are engineered to survive an absolute maximum input drive level of +10 dBm without damage. Furthermore, during field deployment, the modules handle an absolute load VSWR of 3:1 continuously across all load phases, surviving up to a severe all load phase & amplitude mismatch for a 1-minute safety window at 30W/50W limits.
• Automated Thermal Shutdown: If localized heat exchange fails due to external heatsink decoupling, an internal thermal sensor flags an over-temperature state at 85°C at the chassis base, instantly clamping the bias lines until thermal margins restore down to 60°C.

• Low-Volume Testing Batches: Because layout spaces change depending on whether these blocks feed signals into a backend analyzer or a remote Low Noise Amplifier front-end, our application engineering desk supports low-volume testing batches for pre-project validation. We assist with custom housing thickness modifications, alternative DC bus balancing, and mounting hole swaps matching your exact legacy mechanical frames.

Technical Assets for Engineering Evaluation (Low-Friction Inquiry Portal)

To help system total architects complete cascade link calculations without delay, our engineering desk provides direct access to the required technical files. We do not require long formal trade agreements to unlock verification documentation.

If you are currently evaluating component margins, click the communication panel below to request:

1. Full 3D STEP Models for exact mechanical layout casing checks.
2. Individualized Vector Network Analyzer (VNA) S-Parameter Data (S11, S21 plots from 1000 to 8000 MHz).
3. Thermal Dissipation CAD Layouts to determine cold plate forced-air heat sink requirements.

Frequently Asked Questions

Q1: Why is Gallium Nitride (GaN) semiconductor technology superior to legacy LDMOS for 1-8 GHz high-power applications?

GaN technology offers a significantly higher breakdown voltage and power density profile compared to legacy silicon-based LDMOS transistors. This allows the MCW1060M47A and MCW4080M47A modules to deliver a continuous 50W output power inside a compact 160mm footprint while operating with much higher drain efficiency and minimal internal parasitic capacitance, resulting in an elite power-to-volume ratio.

Q2: What external cooling infrastructure is required to safely operate these 50W SSPA modules?

Both the 1-6 GHz and 4-8 GHz modules are shipped as standalone blocks that require an external heatsink or forced-air cooling structure (not supplied inside the basic package). The mounting base of the aluminum enclosure must be tightly coupled to a cold plate or finned heat dissipation chassis using high-performance thermal interface material (TIM) to ensure the internal baseplate temperature never exceeds the 85°C automated safety shutdown threshold.

Q3: How do the internal telemetry monitoring pins on the D-Sub connector assist with real-time system safety?

The integrated D-Sub interface connector (7-pin for MCW1060M47A and 9-pin for MCW4080M47A) provides constant analog telemetry loops back to the host controller. Pin 2 outputs a linear voltage scaling at 10 mV/°C to track real-time thermal drift, while Pin 3 reports current monitoring at 100 mV per Ampere. This allows the system microcontroller to detect sudden load mismatches or power supply anomalies instantly and trigger an automated shutdown via the Pin 1 TTL Enable line.

Q4: Can these broadband power modules handle high-order digital modulation profiles without clipping?

Yes. Thanks to the excellent power gain linearity and low harmonic profile (≤ -15 dBc typical at full rated power), these GaN modules maintain clean, low-distortion signal amplification across their entire operating frequencies. They easily process complex broadband waveforms, multi-carrier communication channels, and laboratory frequency-sweep signals without inducing severe intermodulation distortion or spectral regrowth.