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SF1091A from RFM

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SF1091A

Manufacturer: RFM, RFMD

211 MHz SAW Filter
Partnumber Manufacturer Quantity Availability
SF1091A RFM, RFMD 81 In Stock

Description and Introduction

211 MHz SAW Filter The part **SF1091A** is manufactured by **RFM (RF Monolithics)**.  

### **Specifications:**  
- **Frequency Range:** 902-928 MHz  
- **Modulation:** FSK (Frequency Shift Keying)  
- **Data Rate:** Up to 115.2 kbps  
- **Output Power:** Up to +10 dBm  
- **Sensitivity:** -110 dBm (typical)  
- **Supply Voltage:** 2.7V to 3.6V  
- **Current Consumption:**  
  - **Transmit:** 28 mA (typical)  
  - **Receive:** 18 mA (typical)  
  - **Sleep Mode:** <1 μA  
- **Operating Temperature Range:** -40°C to +85°C  
- **Interface:** UART (TTL-level)  

### **Descriptions and Features:**  
- **Low-Power Wireless Transceiver:** Designed for short-range wireless communication.  
- **ISM Band Operation:** Operates in the 902-928 MHz ISM (Industrial, Scientific, and Medical) band.  
- **Integrated Protocol Support:** Supports simple point-to-point or point-to-multipoint communication.  
- **Small Form Factor:** Compact design suitable for embedded applications.  
- **Low Sleep Current:** Enables battery-powered applications with extended life.  
- **Regulatory Compliance:** FCC, IC, and ETSI compliant for unlicensed operation.  

This information is based on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

211 MHz SAW Filter

Alternative Part Number

  • SAWFD1G09AA0F0A --: Surface acoustic wave filter in the 1.09 GHz band with similar passband characteristics, suitable as a functional replacement for the SF1091A SAW filter.
  • B39162B1091A --: SAW filter from EPCOS covering a comparable center frequency and bandwidth, commonly used as a cross-reference for RFM 1091-series filters.
  • AFS1091A --: SAW bandpass filter with matching nominal frequency and package style, offering similar insertion loss and rejection performance.
  • SAWFD1G09AA0F00 --: Surface acoustic wave filter in the 1.09 GHz range with similar passband characteristics, suitable as a functional replacement for the SF1091A SAW filter.
  • B39162B1091A710 --: SAW filter from EPCOS covering a comparable center frequency and bandwidth, commonly used as a cross-reference for RFMD SAW filters.
  • TA1091A --: SAW filter with matching nominal frequency and package style, offered by a dedicated SAW filter manufacturer as an alternative source.

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