| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Analog Devices, Inc. |
TRANSMITTER, 868MHZ/915MHZ ISM |
1579 |
|
 |
ROHM Semiconductor |
RF XMITTER FM 76-108MHZ 28VFQFN |
0 |
|
 |
Silicon Labs |
RF TX IC FSK 868/915MHZ 16TSSOP |
0 |
|
 |
RadioControlli |
433.92MHZ AM TRANSMITTER MODULE |
60 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK 300-450MHZ 10XFDFN |
0 |
|
 |
Silicon Labs |
RF TX IC FSK 27-960MHZ 10TFSOP |
1200 |
|
 |
ROHM Semiconductor |
RF XMITTER FM 76-90MHZ 24LSSOP |
0 |
|
 |
Texas Instruments |
RF TX IC FSK 315/433MHZ 20VFQFN |
494 |
|
 |
NXP Semiconductors |
IC MCU TRANSPONDER 14SOIC |
1922 |
|
 |
Texas Instruments |
RF TX IC 2-FSK 300-348MHZ 16VQFN |
59850 |
|
 |
NXP Semiconductors |
IC REMOTE KEYLESS ENTRY 20TSSOP |
2500 |
|
 |
Maxim Integrated |
RF TX IC CDMA2000 450MHZ 48WFQFN |
0 |
|
 |
Maxim Integrated |
RF TX IC ASK 902-928MHZ 28WFQFN |
0 |
|
 |
Linx Technologies |
RF TX IC ASK/OOK 433MHZ 8SMD MOD |
283 |
|
 |
Maxim Integrated |
RF TX IC ASK 300-450MHZ 16WFQFN |
7500 |
|
 |
IR (Infineon Technologies) |
RF TRANSMITTER 28TSSOP |
0 |
|
 |
Silicon Labs |
RF TX IC FSK 27-960MHZ 10TFSOP |
104 |
|
 |
Maxim Integrated |
RF TX IC ASK 300-960MHZ 10TFSOP |
1053 |
|
 |
Texas Instruments |
RF AND BASEBAND CIRCUIT, CMOS |
462 |
|
 |
RF Solutions |
RF TRANSMITTER AM 433MHZ MODULE |
14 |
|
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