| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK/FSK 315MHZ 32VFQFN |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC UHF 310-440MHZ 16LSSOP |
0 |
|
 |
Melexis |
RF XMITTER ISM 380-450MHZ 8SOIC |
0 |
|
 |
TOKO / Murata |
RF TX IC FSK 300MHZ-1GHZ 16TSSOP |
0 |
|
 |
Melexis |
RF TX IC ASK/FSK 315MHZ 10VFDFN |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK 868-928MHZ 24VQFN |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK 300-470MHZ 8SOIC |
0 |
|
 |
Maxim Integrated |
RF XMITTER 315/433MHZ 28TSSOP |
0 |
|
 |
Texas Instruments |
RF TX IC FSK 315/433MHZ 24TSSOP |
0 |
|
 |
Texas Instruments |
RF TX IC FSK 850-950MHZ 24TSSOP |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK 310-350MHZ 24VQFN |
0 |
|
 |
RF Solutions |
RF TRANSMITTER AM 433MHZ MODULE |
0 |
|
 |
Melexis |
RF XMITTER FSK 868/915MHZ 8SOIC |
0 |
|
 |
NXP Semiconductors |
RF TX IC FSK 315/434MHZ 32QFN |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK 300-450MHZ 10TFSOP |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK 868-928MHZ 8TSSOP |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK 868-928MHZ 8TSSOP |
0 |
|
 |
Texas Instruments |
RF TX IC 2-FSK 300-348MHZ 16QFN |
0 |
|
 |
IR (Infineon Technologies) |
RF TX IC ASK/FSK 915MHZ 16TSSOP |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC FSK 418/433MHZ 14TSSOP |
0 |
|
RF (Radio Frequency) transmitters are electronic devices that generate and transmit high-frequency electromagnetic waves for wireless communication. IF (Intermediate Frequency) components process signals at intermediate stages in transceivers. RFID (Radio Frequency Identification) RF transmitters specifically enable contactless data exchange between tags and readers. These technologies form the backbone of modern wireless systems, supporting applications from mobile communications to IoT networks.
| Type | Functional Features | Application Examples |
|---|---|---|
| ISM Band Transmitters | Unlicensed operation at 2.4 GHz/900 MHz | Wi-Fi routers, Bluetooth devices |
| Cellular Transmitters | 5G/LTE protocol support with power control | Smartphones, base stations |
| UHF RFID Readers | 860-960 MHz frequency agility | Warehouse inventory systems |
| HF RFID Modules | 13.56 MHz contactless payment support | Access control terminals |
Typical RF transmitter architecture includes: Power Amplifier (PA) for signal boosting, Voltage-Controlled Oscillator (VCO) for frequency generation, modulator for data encoding, impedance matching networks, and antenna interfaces. Advanced systems integrate DSP cores for digital modulation (QAM, OFDM) and temperature-compensated crystal oscillators (TCXO) for stability. RFID variants add protocol-specific encoding circuits and impedance-tuned front-ends.
| Parameter | Significance |
|---|---|
| Frequency Range: 300 MHz - 6 GHz | Determines application compliance (e.g., FCC Part 15.247) |
| Output Power: 0.1 - 30 dBm | Affects transmission distance and regulatory class |
| Modulation Accuracy: EVM < 5% | Ensures data integrity in dense environments |
| Current Consumption: 5-100 mA | Battery life consideration for IoT devices |
Case Study: Amazon's warehouse robots use 868 MHz RFID readers for real-time inventory with 5 cm accuracy.
| Vendor | Representative Product |
|---|---|
| TI (Texas Instruments) | CC1352P7 multi-band wireless MCU |
| Nordic Semiconductor | nRF52840 Bluetooth 5.3 SoC |
| Impinj | R420 UHF Gen2 RFID reader |
| STMicroelectronics | CR95HF NFC/RFID transceiver |
Key developments include: - 5G integration with sub-6 GHz RF front-ends - RFID moving to microwave frequencies (2.45 GHz active tags) - AI-enhanced spectrum sensing for dynamic frequency selection - Miniaturization via SiP (System-in-Package) technology - Energy harvesting transmitters for battery-free IoT