Single-Chip RF Transceiver The TRF6903 is a single-chip RF transceiver manufactured by Texas Instruments (TI). Here are its specifications, descriptions, and features:
### **Specifications:**
- **Frequency Range:** 850 MHz to 950 MHz
- **Modulation Schemes:** FSK, ASK, OOK
- **Data Rate:** Up to 200 kbps
- **Supply Voltage:** 2.2 V to 3.6 V
- **Current Consumption:**
- Receive Mode: 18 mA
- Transmit Mode (0 dBm output): 24 mA
- Low-Power Mode: < 1 µA
- **Output Power:** Adjustable from -20 dBm to +5 dBm
- **Receiver Sensitivity:** -110 dBm (for 10⁻³ BER at 200 kbps)
- **Integrated PLL with VCO:** Covers 850–950 MHz
- **IF Filter Bandwidth:** Programmable (200 kHz, 300 kHz, 600 kHz)
- **Package:** 32-pin TQFP (7 mm × 7 mm)
### **Description:**
The TRF6903 is a low-power, high-performance RF transceiver designed for wireless communication applications in the 850–950 MHz ISM band. It integrates a fully programmable PLL, VCO, PA, LNA, mixer, and baseband processing, reducing external component count.
### **Features:**
- **Single-Chip Transceiver** with integrated PLL, VCO, PA, LNA, and modulator/demodulator
- **Low Power Consumption** for battery-operated applications
- **Digital RSSI (Received Signal Strength Indicator)**
- **Programmable Data Rates** up to 200 kbps
- **SPI-Compatible Serial Interface** for configuration
- **On-Chip Voltage Regulator** for stable operation
- **Fast PLL Lock Time** (< 250 µs)
- **Applications:** Wireless sensors, remote controls, industrial telemetry, and short-range wireless data links
This information is sourced from Texas Instruments' official documentation for the TRF6903.
