| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Analog Devices, Inc. |
RF TX IC ASK 433-435MHZ 24TSSOP |
2350 |
|
 |
Texas Instruments |
RF AND BASEBAND CIRCUIT, CMOS |
77 |
|
 |
Maxim Integrated |
RF TX IC ASK 280-450MHZ 24WFQFN |
0 |
|
 |
Maxim Integrated |
RF TX IC FSK 300-960MHZ 10TFSOP |
1850 |
|
 |
EnOcean |
RF TRANSMITTER FSK 902MHZ MODULE |
0 |
|
 |
Analog Devices, Inc. |
RF TX IC ASK 433-435MHZ 24TSSOP |
10000 |
|
 |
RadioControlli |
433.92MHZ AM TRANSMITTER MODULE |
60 |
|
 |
NXP Semiconductors |
IC REMOTE KEYLESS ENTRY 20SSOP |
15920 |
|
 |
Roving Networks / Microchip Technology |
RF XMITTER UHF 310-350MHZ 24VQFN |
5910 |
|
 |
Silicon Labs |
RF TX IC FSK 433/868MHZ 16TSSOP |
71 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK/FSK 315MHZ 10TFSOP |
4993 |
|
 |
EnOcean |
RF TRANSMITTER FSK 902MHZ MODULE |
89 |
|
 |
Silicon Labs |
RF TX IC FSK 27-960MHZ 10TFSOP |
2723 |
|
 |
Analog Devices, Inc. |
DUAL-BAND QUADRATURE TRANSMITTER |
22500 |
|
 |
IR (Infineon Technologies) |
8-BIT FLASH MCU, 12MHZ |
36833 |
|
 |
RadioControlli |
433.92MHZ AM TRANSMITTER MODULE |
60 |
|
 |
Maxim Integrated |
RF TX IC ASK 315-390MHZ 24WFQFN |
130 |
|
 |
Analog Devices, Inc. |
TRANSMITTER, 868MHZ/915MHZ ISM |
953 |
|
 |
RF Solutions |
RF TRANSMITTER FSK 433MHZ MODULE |
0 |
|
 |
Melexis |
RF TX IC ASK/FSK 433MHZ 10VFDFN |
112 |
|
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