| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
Roving Networks / Microchip Technology |
RF XMITTER UHF 433MHZ 32VFQFN |
7 |
|
 |
NXP Semiconductors |
IC TRANSMITTER UHF 16HVQFN |
5996 |
|
 |
NXP Semiconductors |
IC REMOTE KEYLESS ENTRY 20TSSOP |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC FSK 310/433MHZ 14TSSOP |
2495 |
|
 |
Analog Devices, Inc. |
DOWN CONVERTER |
165 |
|
 |
Linx Technologies |
RF TX IC ASK 315MHZ 27SMD MOD |
0 |
|
 |
Silicon Labs |
RF TX IC 142MHZ-1.05GHZ 20VFQFN |
0 |
|
 |
Silicon Labs |
RF XMITTER FM 76-108MHZ 20UFQFN |
0 |
|
 |
Roving Networks / Microchip Technology |
RF TX IC ASK 300-450MHZ 10TFSOP |
7427 |
|
 |
Analog Devices, Inc. |
LOW POWER RF TRANSCEIVER |
372 |
|
 |
Melexis |
RF TX IC ISM 850-930MHZ 10VFDFN |
6 |
|
 |
NXP Semiconductors |
RF TRANSMITTER UHF 24TSSOP |
1511 |
|
 |
Freescale Semiconductor, Inc. (NXP Semiconductors) |
MICROPROCESSOR CIRCUIT, CMOS |
2000 |
|
 |
Roving Networks / Microchip Technology |
RF XMITTER UHF 310-350MHZ 24VQFN |
0 |
|
 |
Maxim Integrated |
RF TX IC FSK 300-960MHZ 10TFSOP |
215000 |
|
 |
Silicon Labs |
RF TX IC 142MHZ-1.05GHZ 20VFQFN |
0 |
|
 |
Texas Instruments |
RF TX IC ASK 402-470MHZ 20VQFN |
0 |
|
 |
Analog Devices, Inc. |
DUAL-BAND QUADRATURE TRANSMITTER |
1283 |
|
 |
Analog Devices, Inc. |
MAX2507 RF TRANSMITTER |
2700 |
|
 |
Roving Networks / Microchip Technology |
RF XMITTER UHF 429-439MHZ 24VQFN |
441 |
|
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