| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
STMicroelectronics |
RF TX IC ASK 169/315MHZ 20VQFN |
8890 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC FSK 310/433MHZ 14TSSOP |
41 |
|
 |
Linx Technologies |
RF TX IC ASK/OOK 315MHZ 8SMD MOD |
0 |
|
 |
Texas Instruments |
CC1151-Q1 LOW-COST LOW-POWER SUB |
0 |
|
 |
Analog Devices, Inc. |
QUAD-BAND TDD-WCDMA BITS-TO RF R |
498 |
|
 |
Analog Devices, Inc. |
LOW POWER RF TRANSCEIVER |
10000 |
|
 |
RadioControlli |
433.92MHZ AM TRANSMITTER MODULE |
60 |
|
 |
Analog Devices, Inc. |
RF TX IC ASK 433-435MHZ 24TSSOP |
2500 |
|
 |
Analog Devices, Inc. |
DUAL-BAND QUADRATURE TRANSMITTER |
1406 |
|
 |
RF Solutions |
RF TX IC FSK 868MHZ 16SMD MOD |
0 |
|
 |
Texas Instruments |
RF AND BASEBAND CIRCUIT, CMOS |
734 |
|
 |
ROHM Semiconductor |
RF XMITTER FM 70-120MHZ 24LSSOP |
0 |
|
 |
Analog Devices, Inc. |
DUAL-BAND QUADRATURE TRANSMITTER |
16561 |
|
 |
Nordic Semiconductor |
RF XMITTER GFSK 2.4GHZ 16VQFN |
0 |
|
 |
Semtech |
RF TX IC FHSS 310-450MHZ 8UFDFN |
31 |
|
 |
RadioControlli |
433.92MHZ FSK RADIO TRANSMITTER |
60 |
|
 |
Analog Devices, Inc. |
DUAL-BAND QUADRATURE TRANSMITTER |
5000 |
|
 |
Analog Devices, Inc. |
HIGH PERFORMANCE ISM BAND OOK/FS |
32685 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC UHF 300-350MHZ 8TSSOP |
4979 |
|
 |
TELECOM CIRCUIT |
610 |
|
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