| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
NXP Semiconductors |
IC MCU RISC 28TSSOP |
0 |
|
|
Analog Devices, Inc. |
QUAD-BAND TDD-WCDMA BITS-TO RF R |
0 |
|
|
NXP Semiconductors |
IC MCU RISC 28TSSOP |
0 |
|
|
NXP Semiconductors |
IC RF REMOTE WIRELESS 20-SSOP |
0 |
|
|
ROHM Semiconductor |
RF TRANSMITTER FM 76-108MHZ |
0 |
|
|
Maxim Integrated |
SUB-GHZ ASK/FSK TRANSMITTER |
0 |
|
|
Analog Devices, Inc. |
MAX2507 RF TRANSMITTER |
662 |
|
|
Analog Devices, Inc. |
FEMTO BASESTATION BITS-TO RF RAD |
792 |
|
|
NXP Semiconductors |
IC REMOTE KEYLESS ENTRY 20TSSOP |
0 |
|
|
Silicon Labs |
EZRADIO TX SUBG 8051 SOC |
0 |
|
|
Maxim Integrated |
SUB-GHZ ASK/FSK TRANSMITTER |
15000 |
|
|
Asahi Kasei Microdevices / AKM Semiconductor |
IC RF TX RKE 20QFN |
0 |
|
|
Renesas Electronics America |
FCCSP 4.60X3.60X0.90 MM, 0.50MM |
0 |
|
|
Silicon Labs |
RF TX ISM FSK 240-930MHZ 20VFQFN |
0 |
|
|
NXP Semiconductors |
IC KEYLESS ENTRY/GO 28TSSOP |
2470 |
|
|
NXP Semiconductors |
IC MCU RISC 28TSSOP |
0 |
|
|
KESTX02 - 290 MHZ-320 MHZ ASK TR |
270 |
|
|
|
Renesas Electronics America |
FCCSP 4.60X3.60X0.90 MM, 0.50MM |
0 |
|
|
NXP Semiconductors |
IC MCU RISC 28TSSOP |
0 |
|
|
Renesas Electronics America |
FCCSP 4.60X3.60X0.90 MM, 0.50MM |
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