Skyworks Solutions, Inc. RF Front End (LNA + PA) SKY65338-21

The SKY65338-21 is a 450-470 MHz RF Front-End Module designed for applications such as Tetra radio, remote metering, GSM, and WLL transmitters. It features a transmit output power greater than +25 dBm and a high gain of 32 dB in the transmit path, along with a transmit/receive isolation exceeding 30 dB. The module integrates a high-efficiency Power Amplifier (PA) and a harmonic filter, utilizing a Class AB biased Heterojunction Bipolar Transistor (HBT) process for optimal efficiency and low spurious output. The device operates with a single DC supply of +3.6 V and is housed in a compact 12-pin, 8 x 8 mm Multi-Chip Module (MCM) package. It includes internal RF matching and bias circuits, ensuring ease of integration into various systems. The SKY65338-21 is rated for a case operating temperature range of -40¬8C to +85¬8C and is compliant with RoHS standards. Its design allows for low-cost manufacturing and high reliability, making it suitable for a range of RF applications.