The HMC347A from Analog Devices Inc. is a high-performance Gallium Arsenide (GaAs) Monolithic Microwave Integrated Circuit (MMIC) Single-Pole Double-Throw (SPDT) non-reflective switch. This advanced technology switch operates from DC to 40 GHz, offering exceptional versatility for a wide range of applications including military, space, and commercial communications systems.

Key Features

• Frequency Range: The HMC347A operates across a broad frequency range from DC to 40 GHz, making it suitable for a wide array of RF and microwave applications.
• Non-Reflective Design: Its non-reflective nature ensures minimal signal reflection at the off port, which is critical for maintaining signal integrity in complex RF systems.
• High Isolation: The switch provides high isolation between ports, typically 45 dB at 26.5 GHz, which helps to prevent signal leakage and preserve the purity of the signal paths.
• Low Insertion Loss: With an insertion loss of typically 2.5 dB at 26.5 GHz, the HMC347A maintains strong signal transmission with minimal attenuation.
• Fast Switching Speed: The device features fast switching speed, with a typical switching time of 12 ns, ensuring rapid signal routing that is essential for high-speed communication systems.

Applications

• Test Instrumentation
• Fiber Optic
• Military & Space
• Microwave Radio & VSAT
• Telecommunications
• Satellite Communications

The HMC347A comes in a compact 3x3 mm surface-mount leadless package, which is RoHS compliant and compatible with standard surface-mount manufacturing processes. Its robust design and high reliability make it an excellent choice for both prototyping and mass production. Analog Devices Inc. provides detailed technical documentation, including datasheets and application notes, to support designers in integrating the HMC347A into their systems.