SKY77594-11

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SKY77594-11, alongside a wide range of RF Misc ICs and Modules, offer diversified solutions for high performance wireless applications. Its integrated advanced and complete functions, makes it an ideal solution for designers both in regard to time and cost optimisation for manufacturability. The SKY77594-11 provides an excellent combination of value and performance while allowing customer systems to be offered at a more competitive price.

The SKY77594-11 multi-mode power amplifier integrates two different architectures on a single chip – Dual-Power Amplifier (DPA) and Dual-Stage Power Amplifier (DSPA). This combining of architectures allows for the multi-band wireless operation of devices, and allows for the superimposed gain control and power tracking algorithms. The combination of the architectures aids the amplification of many wireless standards, such as EDGE, WCDMA, CDMA, GSM, TD-SCDMA, and FDD-LTE.

The working principle of the SKY77594-11 is based on the DPA & DSPA architectures, as well as its use of power control algorithms. Firstly, the DPA architecture consists of two high power amplifiers that share the input signal, allowing for higher levels of power efficiency and output power when compared to a single amplifier. The two amplifiers are kept in phase with each other, as their outputs are combined and amplified by a common output transistor. Secondly, the DSPA architecture is responsible for the gain control and power tracking algorithms, which are used to accurately monitor and regulate the output power of the device.

The power control algorithms of the SKY77594-11 facilitate both the gain control and power tracking functionalities, respectively. With the benefit of gain control, the gain of the amplifiers can be controlled in a wide range of dBs, allowing for a precise control of output power. Furthermore, the power tracking feature enables the output power of the device to remain constant even with ranging input power levels, thus facilitating higher accuracy of power control.

The SKY77594-11 has a wide range of applications, such as 4G/3G/2G multi-standard power amplifiers, Femto-index power amplifiers, digital tuners, power splitters, balance mixers, power combiners, etc. Smaller applications that rely on its dual-Power and Dual-Stage amplifiers include wireless-enabled medical devices, industrial and consumer sensing, machine-to-machine monitoring, smart home and building technologies, wireless mesh and Internet of Things.

In conclusion, the SKY77594-11, as part of the RF Misc ICs and Modules family, is an extremely capable multi-mode power amplifier device. Its advanced DPA & DSPA architectures, combined with power control algorithms allow for improved and precise power efficiency and output power. Moreover, its application in a wide range of wireless products and services, as well as its small form factor, make it an ideal choice.

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