Overview
The SKY13414-485LF is a Single Pole, Four-Throw (SP4T) antenna switch manufactured by Skyworks Solutions Inc. This component is designed to offer high linearity performance and low insertion loss, making it an ideal choice for main/diversity switching in LTE-based handsets, data cards, and tablets that utilize antenna diversity solutions. The switch operates within a broadband frequency range of 0.1 to 6.0 GHz and features an internal 50 Ω termination, which helps in controlling diversity antenna impedance when the device is not in use.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Frequency Range | 0.1 to 6.0 | GHz |
| Insertion Loss (typical @ 2.7 GHz) | 0.45 | dB |
| Isolation (typical @ 2.7 GHz) | >31 | dB |
| Control Voltage Inputs | 3 (CMOS/TTL-compatible) | |
| Package Type | 14-pin QFN (2.0 x 2.0 mm) | |
| Operating Temperature Range | -40 to 85 | °C |
Key Features
- Broadband frequency range: 0.1 to 6.0 GHz
- Low insertion loss: 0.45 dB typical @ 2.7 GHz
- High isolation: >31 dB @ 2.7 GHz
- Internal 50 Ω port to control diversity antenna impedance when device is not in use
- Integrated logic and bias decoder
- Compact QFN (14-pin, 2.0 x 2.0 mm) package (MSL1, 260 °C per JEDEC J-STD-020)
- No external blocking capacitors required on the RF paths unless VDC is externally applied
Applications
The SKY13414-485LF is commonly used in main/diversity switching applications for LTE-based handsets, data cards, and tablets. It is suitable for various wireless communication systems, including:
- LTE (TDD/FDD) transmit/receive systems
- TD-SCDMA/TDD-LTE and WCDMA/FDD applications
- Any 2G/3G/4G antenna diversity systems where GSM transmit is not required
Q & A
- What is the frequency range of the SKY13414-485LF?
The SKY13414-485LF operates within a frequency range of 0.1 to 6.0 GHz.
- What is the typical insertion loss of the SKY13414-485LF at 2.7 GHz?
The typical insertion loss at 2.7 GHz is 0.45 dB.
- How many control voltage inputs does the SKY13414-485LF have?
The SKY13414-485LF has three CMOS/TTL-compatible control voltage inputs (V1, V2, and V3).
- What type of package does the SKY13414-485LF come in?
The SKY13414-485LF is packaged in a 14-pin QFN (2.0 x 2.0 mm) package.
- Does the SKY13414-485LF require external blocking capacitors on the RF paths?
No external blocking capacitors are required on the RF paths unless VDC is externally applied.
- What are the common applications of the SKY13414-485LF?
The SKY13414-485LF is commonly used in LTE-based handsets, data cards, and tablets for main/diversity switching and in various wireless communication systems.
- What is the isolation performance of the SKY13414-485LF at 2.7 GHz?
The isolation performance at 2.7 GHz is greater than 31 dB.
- How is the switching controlled in the SKY13414-485LF?
Switching is controlled by three CMOS/TTL-compatible control voltage inputs (V1, V2, and V3).
- Does the SKY13414-485LF have an internal 50 Ω termination?
- What is the operating temperature range of the SKY13414-485LF?
The operating temperature range is -40 to 85 °C.
