| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Silicon Labs |
RF TX IC FSK 900-960MHZ 20VFQFN |
0 |
|
 |
Analog Devices, Inc. |
TRANSMITTER, 868MHZ/915MHZ ISM |
66 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC FSK 310/433MHZ 14TSSOP |
643 |
|
 |
IR (Infineon Technologies) |
RF TX IC ASK 866-870MHZ 10TFSOP |
0 |
|
 |
Analog Devices, Inc. |
MAX2370 COMPLETE 450MHZ QUADRATU |
8467 |
|
 |
Analog Devices, Inc. |
RF XMITTER 800MHZ-4GHZ 32VFQFN |
0 |
|
 |
ROHM Semiconductor |
RF XMITTER FM 76-108MHZ 32UFBGA |
0 |
|
 |
Texas Instruments |
RF AND BASEBAND CIRCUIT, CMOS, P |
62 |
|
 |
Roving Networks / Microchip Technology |
QWIKRADIO UHF ASK TRANSMITTER |
5716 |
|
 |
Semtech |
RF XMITTER ISM 418/434MHZ 8SOIC |
0 |
|
 |
IR (Infineon Technologies) |
RF TX IC ASK 433-435MHZ 10TFSOP |
5236 |
|
 |
Analog Devices, Inc. |
RF TX IC 369.5-395.9MHZ 24TSSOP |
3000 |
|
 |
Atmel (Microchip Technology) |
SINGLE-CHIP, SIGFOX RF TRANSCEIV |
1214 |
|
 |
ROHM Semiconductor |
RF XMITTER FM 76-90MHZ 22SOIC |
0 |
|
 |
Analog Devices, Inc. |
DUAL-BAND QUADRATURE TRANSMITTER |
1738 |
|
 |
Texas Instruments |
RF AND BASEBAND CIRCUIT, CMOS, P |
234 |
|
 |
RF Solutions |
RF XMITTER AM 433.92MHZ MODULE |
40 |
|
 |
ROHM Semiconductor |
RF XMITTER FM 76-108MHZ 32UFBGA |
0 |
|
 |
Texas Instruments |
RF AND BASEBAND CIRCUIT, PQCC20 |
768 |
|
 |
ROHM Semiconductor |
RF XMITTER FM 76-108MHZ 28VFQFN |
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