| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
RF Solutions |
RF XMITTER FSK/OOK 868MHZ 14SMD |
0 |
|
 |
RF Solutions |
RF XMITTER FM 433MHZ 6SMD MODULE |
0 |
|
 |
Texas Instruments |
RF TX IC ASK 402-470MHZ 20QFN |
933810000 |
|
 |
Silicon Labs |
RF TX IC FSK 900-960MHZ 20VFQFN |
0 |
|
 |
Silicon Labs |
RF TX IC FSK 27-960MHZ 14SOIC |
1582 |
|
 |
Analog Devices, Inc. |
RF TX IC ASK 433-435MHZ 24TSSOP |
2664 |
|
 |
RF Solutions |
RF XMITTER FSK/OOK 433MHZ 14SMD |
4 |
|
 |
Maxim Integrated |
RF TX IC ASK 300-450MHZ SOT23-8 |
4205 |
|
 |
RF Solutions |
RF TX IC ASK 433MHZ 4SMD MODULE |
55 |
|
 |
Analog Devices, Inc. |
RF XMITTER ISM 57-64GHZ 65VFBGA |
55 |
|
 |
IR (Infineon Technologies) |
RF TX IC ASK 314-317MHZ 10TFSOP |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TRANSMITTER 868MHZ 32VFQFN |
0 |
|
 |
Silicon Labs |
RF TX IC FSK 240-930MHZ 20VFQFN |
0 |
|
 |
ROHM Semiconductor |
RF XMITTER FM 75-110MHZ 44QFP |
0 |
|
 |
IR (Infineon Technologies) |
RF TX IC ASK 866-870MHZ 10TFSOP |
5000 |
|
 |
Maxim Integrated |
RF TX IC ASK 902-928MHZ 28WFQFN |
3854 |
|
 |
Linx Technologies |
RF TX IC ASK/OOK 418MHZ 8SMD MOD |
71 |
|
 |
Melexis |
RF TRANSMITTER ASK 315MHZ 8SOIC |
14 |
|
 |
Texas Instruments |
RF AND BASEBAND CIRCUIT, CMOS |
2877 |
|
 |
Roving Networks / Microchip Technology |
RF XMITTER UHF 868-928MHZ 24VQFN |
5971 |
|
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