**HMC3653LP3BETR: A 5 GHz to 20 GHz, GaAs MMIC SP3T Switch in a Leadless 3x3 mm SMT Package**

The **HMC3653LP3BETR** represents a significant advancement in high-frequency switching technology, designed to meet the demanding requirements of modern RF and microwave systems. This **GaAs MMIC SP3T switch** operates seamlessly over an **exceptionally broad frequency range from 5 GHz to 20 GHz**, making it an indispensable component for a wide array of applications, including test and measurement equipment, microwave radios, satellite communications, and electronic warfare systems.

Fabricated using a high-performance Gallium Arsenide (GaAs) process, this monolithic microwave integrated circuit (MMIC) ensures **low insertion loss and high isolation** across its entire operating band. The switch exhibits a remarkably low insertion loss of typically **1.8 dB at 10 GHz and only 2.5 dB at 20 GHz**, which is critical for preserving signal integrity in sensitive receiver chains and transmitter paths. Furthermore, it provides excellent isolation, exceeding **40 dB at 10 GHz and 30 dB at 20 GHz**, effectively minimizing unwanted signal leakage between ports.

Housed in a compact, **leadless 3x3 mm surface-mount technology (SMT) package**, the device is engineered for **superior high-frequency performance and ease of integration** into densely populated PCBs. This package style minimizes parasitic effects that can degrade performance at microwave frequencies. The switch features a **positive voltage control logic** (0/+3V to 0/+5V), simplifying interface requirements with modern digital controllers and FPGAs. Its robust design can handle input power levels up to +27 dBm, ensuring reliable operation in high-power scenarios.

**ICGOOODFIND**: The HMC3653LP3BETR is a state-of-the-art, broadband SP3T switch that combines wide bandwidth, low loss, high isolation, and compact packaging, establishing a new benchmark for performance and integration in microwave switching solutions.

**Keywords**: GaAs MMIC, SP3T Switch, Broadband 5-20 GHz, Low Insertion Loss, SMT Package.