HMC-C019

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RF Switches are a type of semiconductor component that control the routing of radio-frequency (RF) signals between ports. As RF signals become increasingly integral to the modern era of communication, RF switches have become indispensable components of the RF chain. Many types of RF Switches are available, with different applications and working principles, such as the HMC-C019 RF switch.

The HMC-C019 is a reflective eight channel GaAs MESFET Antenna switch developed specifically for RF and microwave applications. It covers frequency bands from 0.05 to 18GHz, with a maximum isolation of 22dB, Pinch-on-loss of 0.25dB, and typical insertion loss of 0.3 dB. As such, it is ideal for addressing a wide range of applications, including fiber optics and wireless transmissions. The device has a high linearity rating of >37 dBm IP3, making it suitable for complex modulation schemes, such as W-CDMA. This is a key advantage over competitive solutions.

The device is also highly efficient, boasting a flat transfer function over a wide band. This enables the switch to perform precise antenna patterns without power-dependent amplitude control. Additionally, the switch features a “hot-swap” capability, meaning that no power cycle is required for system upgrades. Other features include a low operational voltage of 5V, and a low-power telemetry and control interface.

The HMC-C019 utilizes a reflective switching architecture, which truly makes it one of a kind. This type of architecture allows the switch to achieve exceptional isolation and linearity. The switch employs two control signals to route signals through each of its eight ports. By applying a positive voltage (V+) to one signal, signal flow is enabled between the two ports. When a negative voltage (V-) is applied to the second signal, the signal is instead routed to an internal termination. This termination connection eliminates the possibility of antenna cross-talk when the two ports are inactive.

Aside from its impressive performance, the key advantage of the HMC-C019’s reflective switching architecture is its low power consumption. The device consumes only 0.2 Watts of power for each RF switch cycle, thus enabling long battery life applications. This is a major advantage over other switches, which typically consume far more power.

Overall, the HMC-C019 RF switch is a highly versatile and efficient component. It is well-suited for use in a broad range of applications including fiber optics, wireless transmissions and telemetry systems. Highly efficient and featuring a reflective switching architecture, it is an attractive choice for those looking for a reliable and low-power solution for their RF switch needs.

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