The HMC473MS8E is a GaAs MMIC positive control SPDT (Single Pole Double Throw) switch manufactured by Hittite Microwave Corporation (now Analog Devices). It operates from DC to 6 GHz and is ideal for use in a variety of RF and microwave applications requiring high isolation and low insertion loss.

Applications:

• Test and measurement equipment
• Microwave radios
• Satellite communication systems
• Military and defense applications
• Switch matrices

Features:

• Wide frequency range: DC to 6 GHz
• High isolation: Up to 45 dB
• Low insertion loss: Typically 0.8 dB
• Fast switching speed: 5 ns
• Positive control voltage
• Small MSOP8 package

Benefits:

• Improved system performance due to low insertion loss and high isolation
• Reduced board space requirements due to small package size
• Simplified system design with positive control voltage
• Enhanced system reliability with GaAs MMIC technology

Technical Specifications:

The HMC473MS8E requires a positive control voltage, typically between 3V and 5V, to switch between the two output ports. The isolation, a key parameter, quantifies the signal leakage between the two output ports when one is selected. The insertion loss, also crucial, represents the signal attenuation when passing through the selected path. The switching speed defines how quickly the switch can transition between the two states. The input and output impedance are typically 50 Ohms. The operating temperature range is specified in the datasheet. The supply current is low, contributing to energy efficiency. The VSWR (Voltage Standing Wave Ratio) provides an indication of impedance matching. The power handling capability specifies the maximum RF power that the switch can handle without damage.

The Hittite (Analog Devices) HMC473MS8E SPDT switch offers high performance and reliability in a compact package. Its wide frequency range, high isolation, and low insertion loss make it a suitable choice for demanding RF and microwave applications.