HMC398QS16GE

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The HMC398QS16GE is an RF IC and Module manufactured by Hittite Microwave Corporation. It is an Advanced 3V GaAs MMIC Dual SPDT Switch (SP3T Switch). This module is used for applications in the frequency range of DC to 16 GHz, making it an ideal choice for a wide array of RF applications. It comes with an integrated 8-bit Serial Peripheral Interface (SPI) control and a (3:1) SPDT PIN (SP3T) switch.

The HMC398QS16GE RF IC and Module features a low insertion loss (0.8 dB typical) and a high isolation (18 dB typ. at 15 GHz). It is able to support 13 dBm input power and a typical single-ended input reflection coefficient of -10 dB. Additionally, the module has an output P1dB of 7 dBm, with OIP3 of 12 dBm.

In terms of applications, the HMC398QS16GE can be used for a multitude RF applications such as low noise signal routing, signal attenuators, test instrumentation, signal routing, and switching, among others.

The HMC398QS16GE module works on the principle of switching, the most common type of switching element being the SP3T Switch. The SP3T switch consists of a single pole triple throw (SP3T) switch, which is a 4-port device. It has three signal ports, and one control port. The signal ports are connected to three different feeds, and the control port is the input for the desired signal. The signal source is transmitted through the control port, and depending on the control voltage applied, one of the three signal ports will be enabled.

The HMC398QS16GE RF module has a control voltage range from 0V to 3V. When a control voltage of less than 0.8V is applied, the left port is enabled. For a control voltage of greater than 0.8V, but less than 2.2V, the middle port is enabled. And, for a control voltage of greater than 2.2V, the right port is enabled. This control voltage can be applied either manually or remotely via an SPI bus.

In conclusion, the HMC398QS16GE RF Misc IC and Module is a great choice for a wide range of RF applications and projects. It features a low insertion loss, high isolation, and wide control voltage range, enabling users to switch between multiple signals with ease. With its versatile nature, the HMC398QS16GE is sure to provide a reliable solution for a variety of applications and projects.

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