| Image | Part Number | Description / PDF | Quantity | Rfq |
|---|---|---|---|---|
 |
IR (Infineon Technologies) |
IC AMP CDMA 0HZ-2.7GHZ SOT343-4 |
4955 |
|
 |
SMT GAIN BLOCK, DC - 2000 MHZ, 5 |
0 |
|
|
 |
Maxim Integrated |
IC AMP RKE 315MHZ 433MHZ SC70-6 |
365 |
|
 |
Metelics (MACOM Technology Solutions) |
AMPLIFIER |
10 |
|
 |
Analog Devices, Inc. |
GAAS MATCHED RF PA PRE-DRIVER |
1702 |
|
 |
Analog Devices, Inc. |
IC RF AMP 6GHZ-9.5GHZ 32QFN |
0 |
|
 |
SMT GAIN BLOCK, DC - 8000 MHZ, 5 |
0 |
|
|
 |
Analog Devices, Inc. |
IC RF AMP GP 4GHZ-10GHZ 12SMT |
402 |
|
 |
Analog Devices, Inc. |
IC RF AMP GP 5GHZ-20GHZ 24SMT |
415 |
|
 |
Wolfspeed - a Cree company |
IC RF AMP 1.8GHZ-2.1GHZ DSO20-63 |
0 |
|
 |
MITEQ, Inc.（L3 Narda-MITEQ） |
LNA .1-26 GHZ |
2 |
|
 |
Maxim Integrated |
IC AMP LTE 700MHZ-2.7GHZ 20TQFN |
0 |
|
 |
SMT GAIN BLOCK, 500 - 4500 MHZ, |
0 |
|
|
 |
Tallysman Wireless |
IC RF AMP GPS 1GHZ-2GHZ SMA |
0 |
|
 |
SMT LOW NOISE AMPLIFIER, 30 - 20 |
0 |
|
|
 |
Analog Devices, Inc. |
IC RF AMP GP 2GHZ-20GHZ 32QFN |
35 |
|
 |
Skyworks Solutions, Inc. |
IC AMP WIMAX 100MHZ-7GHZ SOT89 |
852569000 |
|
 |
Analog Devices, Inc. |
IC RF AMP VSAT 17GHZ-27GHZ 24SMT |
0 |
|
 |
NXP Semiconductors |
LOW NOISE AMPLIFIER MMIC FOR LTE |
300000 |
|
 |
Analog Devices, Inc. |
IC RF AMP 9.5GHZ-11.5GHZ 24SMT |
0 |
|
RF/IF amplifiers and RFID amplifiers are critical components in wireless communication systems, designed to boost signal strength while maintaining signal integrity. RF amplifiers operate across radio frequency (RF) and intermediate frequency (IF) bands, enabling signal transmission/reception in devices like base stations, IoT modules, and medical equipment. RFID amplifiers specialize in enhancing signals for radio frequency identification systems, ensuring reliable data exchange between readers and tags. These components are essential for modern technologies such as 5G networks, smart logistics, and contactless payment systems.
| Type | Functional Characteristics | Application Examples |
|---|---|---|
| Low Noise Amplifier (LNA) | High sensitivity, minimal added noise | RF receivers, satellite communication |
| Power Amplifier (PA) | High output power, efficiency optimization | Cellular base stations, Wi-Fi routers |
| IF Amplifier | Fixed/dynamic gain control at IF bands | Television tuners, radar systems |
| Variable Gain Amplifier (VGA) | Adjustable gain for signal conditioning | Software-defined radios, test equipment |
| RFID Reader Amplifier | Impedance matching for tag interrogation | UHF RFID readers, NFC terminals |
Typical RF amplifiers consist of: - Dielectric substrate (e.g., FR4, Rogers material) with conductive traces - Transistor elements (GaAs FETs, SiGe BJTs, or GaN HEMTs) - Impedance matching networks (LC circuits or microstrip lines) - Thermal management (heat sinks or thermal vias) - Shielded enclosure for EMI protection Modern designs integrate bias tees, directional couplers, and protection diodes.
| Parameter | Description | Importance |
|---|---|---|
| Gain (dB) | Signal amplification ratio | Determines signal reach and clarity |
| Noise Figure (dB) | Additional noise introduced | Impacts receiver sensitivity |
| Output Power (dBm) | Maximum deliverable power | Dictates transmission distance |
| Frequency Range (GHz) | Operational bandwidth | System compatibility factor |
| P1dB Compression | Linear-to-saturation threshold | Ensures signal fidelity |
| IP3 (dBm) | Intermodulation distortion resistance | Multi-signal environment performance |
| Manufacturer | Representative Product | Key Features |
|---|---|---|
| Texas Instruments | LMX2500 | Integrated synthesizer with 15dBm output power |
| Analog Devices | ADAR1000 | 4-channel mmWave beamformer for 24GHz RFID |
| STMicroelectronics | STRF79X | Highly integrated NFC/RFID transceiver |
| Nordic Semiconductor | nRF21540 | 2.4GHz front-end module with +20dB gain |
| Impinj | R4H001 | UHF Gen2 RFID reader IC with on-chip amplifier |
Key considerations include: - Frequency alignment with system requirements - Gain flatness across operational bandwidth - Thermal dissipation capabilities - Package type (QFN, BGA, or connectorized) - Environmental compliance (temperature, humidity) - Cost vs. performance trade-offs
Emerging trends include: - Transition to GaN technology for higher power density - Silicon integration for mmWave applications - AI-driven dynamic impedance matching - Energy-efficient Class-J and Doherty architectures - Convergence with photonic ICs for 6G systems