| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Silicon Labs |
RF TX IC 142MHZ-1.05GHZ 20VFQFN |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK/FSK 315MHZ 10TFSOP |
0 |
|
 |
Silicon Labs |
RF XMITTER FM 76-108MHZ 20UFQFN |
0 |
|
 |
Roving Networks / Microchip Technology |
RF XMITTER FM/FSK 433MHZ 24SOIC |
0 |
|
 |
Roving Networks / Microchip Technology |
RF XMITTER UHF 429-439MHZ 24VQFN |
0 |
|
 |
Texas Instruments |
RF TX IC 2-FSK 300-348MHZ 16QFN |
0 |
|
 |
TOKO / Murata |
RF TX IC ASK 914MHZ 20SMD MOD |
0 |
|
 |
Maxim Integrated |
RF TRANSMITTER CDMA LGA |
0 |
|
|
NXP Semiconductors |
RF XMITTER ASK/FSK 315/434MHZ |
0 |
|
|
NXP Semiconductors |
IC RF REMOTE WIRELESS 20-TSSOP |
0 |
|
|
NXP Semiconductors |
RF XMITTER ASK/FSK 315/434MHZ |
0 |
|
|
Maxim Integrated |
RF TRANSMITTER CDMA LGA |
0 |
|
|
Texas Instruments |
RF TX IC 2-FSK/ASK 2.4GHZ 16QFN |
0 |
|
|
NXP Semiconductors |
RF XMITTER ASK/FSK 315/434MHZ |
0 |
|
|
Texas Instruments |
RF TX IC 2-FSK 300-348MHZ 16QFN |
0 |
|
|
NXP Semiconductors |
RF XMITTER ASK/FSK 315/434MHZ |
0 |
|
|
NXP Semiconductors |
IC KEYLESS ENTRY/GO SOJ36 |
0 |
|
|
NXP Semiconductors |
IC REMOTE KEYLESS ENTRY 20TSSOP |
0 |
|
|
Linx Technologies |
RF XMITTER ASK/OOK 418MHZ 6SIP |
0 |
|
|
Maxim Integrated |
IC RF TRANSMITTER 16TQFN |
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