The TGA4535-SM is a packaged high power amplifier MMIC manufactured by Qorvo. It is designed for a variety of applications within the Ka-band (27.5 – 31 GHz) including satellite communications, point-to-point radio and test instrumentation. The amplifier typically provides > 3W of saturated output power with >23 dB of gain and > 23% PAE.

Applications:

• Satellite Communications (SATCOM): Used as a power amplifier in satellite uplinks.
• Point-to-Point Radio: Employed in high-capacity microwave backhaul systems.
• Test and Measurement Equipment: Suitable for use in signal generators and power meters operating in Ka-band.
• Radar Systems: Used in millimeter-wave radar applications requiring moderate power amplification.

Features:

• High Saturated Output Power: Provides over 3W of saturated output power.
• High Gain: Offers >23 dB of gain across the operating bandwidth.
• High Power Added Efficiency (PAE): Delivers > 23% PAE, reducing power consumption and heat dissipation.
• Ka-Band Operation: Designed to operate within the 27.5 – 31 GHz frequency range.
• Surface Mount Package: Facilitates easy integration into printed circuit boards.

Benefits:

• Increased Signal Strength: High output power enables longer transmission distances in communication systems.
• Reduced System Size: Compact MMIC design minimizes system footprint.
• Improved System Efficiency: High PAE reduces overall power consumption and thermal load.
• Simplified System Design: Easy to integrate into existing systems due to its surface mount package and integrated functionality.
• Enhanced Reliability: Robust design ensures stable performance over a wide range of operating conditions.

Additional Details:

The TGA4535-SM requires an external bias supply and appropriate impedance matching networks for optimal performance. It operates from a positive supply voltage and draws a specified quiescent current. The amplifier is typically biased in Class AB operation to achieve a balance between linearity and efficiency. Consult the datasheet for detailed electrical characteristics, bias conditions, thermal management guidelines and recommended printed circuit board layout. Proper heat sinking and thermal management are crucial to ensure reliable operation, especially at high output power levels.