| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Nordic Semiconductor |
RF XMITTER GFSK 2.4GHZ 16VQFN |
0 |
|
 |
IR (Infineon Technologies) |
RF TX IC ASK 433-435MHZ 10TFSOP |
479 |
|
 |
NXP Semiconductors |
POWER SUPPLY CIRCUIT, FIXED |
841 |
|
 |
Semtech |
RF TX IC ISM 315/434MHZ 24VFQFN |
3912 |
|
 |
Analog Devices, Inc. |
RF TX IC ASK 433-435MHZ 24TSSOP |
13315 |
|
 |
STMicroelectronics |
RF TX IC FM 400KHZ-11MHZ 44LQFP |
0 |
|
 |
ROHM Semiconductor |
RF XMITTER FM 76-108MHZ 28VFQFN |
0 |
|
 |
Silicon Labs |
RF TX IC FSK 240-930MHZ 20VFQFN |
0 |
|
 |
Texas Instruments |
TELECOM CIRCUIT, 1-FUNC, PQCC32 |
10980 |
|
 |
Analog Devices, Inc. |
DUAL-BAND QUADRATURE TRANSMITTER |
7500 |
|
 |
Analog Devices, Inc. |
DUAL-BAND QUADRATURE TRANSMITTER |
845 |
|
 |
RF Solutions |
RF TX IC FM 433.92MHZ 6DIP MOD |
0 |
|
 |
Analog Devices, Inc. |
DUAL-BAND QUADRATURE TRANSMITTER |
2500 |
|
 |
IR (Infineon Technologies) |
RF TX IC ASK/FSK 434MHZ 10TFSOP |
2782 |
|
 |
Texas Instruments |
RF TX IC FSK 300MHZ-1GHZ 24TSSOP |
3309 |
|
 |
Texas Instruments |
RF TX IC ISM 164-192MHZ 32VFQFN |
168 |
|
 |
IR (Infineon Technologies) |
8-BIT FLASH MCU, 8051 CPU, 12MHZ |
0 |
|
 |
Silicon Labs |
RF TX IC FSK 240-930MHZ 20VFQFN |
0 |
|
 |
Maxim Integrated |
RF TX IC ASK 300-960MHZ 10TFSOP |
0 |
|
 |
NXP Semiconductors |
RF XMITTER 110-205KHZ 32VFQFN |
13190 |
|
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