| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Melexis |
RF XMITTER ASK 800-930MHZ 8SOIC |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK 429-439MHZ 8TSSOP |
0 |
|
 |
Melexis |
RF XMITTER ASK 310-450MHZ 8SOIC |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK 313-317MHZ 10TFSOP |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK 300-470MHZ 8SOIC |
0 |
|
 |
ams |
RF TX IC FSK 300-928MHZ 16VFQFN |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK 868-928MHZ 8TSSOP |
0 |
|
 |
Silicon Labs |
RF TX IC FSK 315/433MHZ 16TSSOP |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK 300-470MHZ 14SOIC |
0 |
|
 |
Texas Instruments |
RF TX IC FSK 315/433MHZ 24TSSOP |
0 |
|
 |
Melexis |
RF XMITTER ASK 868/915MHZ 8SOIC |
0 |
|
 |
NXP Semiconductors |
RF TX IC FSK 315-434MHZ 14TSSOP |
0 |
|
 |
Maxim Integrated |
RF TX IC ASK/BPSK 868MHZ 28WFQFN |
0 |
|
 |
Lattice Semiconductor |
GEN3 WIRELESSHD TRANSMITTER MODU |
0 |
|
 |
Silicon Labs |
RF XMITTER FM 76-108MHZ 20UFQFN |
0 |
|
 |
Texas Instruments |
RF TX IC ISM 164-192MHZ 32VFQFN |
0 |
|
 |
RF Solutions |
RF TX IC FM 433.92MHZ 6DIP MOD |
0 |
|
 |
TOKO / Murata |
RF TX IC ASK 868.35MHZ 20SMD MOD |
0 |
|
 |
RF Solutions |
RF TRANSMITTER 433MHZ MODULE |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK/FSK 315MHZ 10TFSOP |
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