F1429LBNELI

RF Amplifiers Overview

The F1429LBNELI is a high-gain RF amplifier IC from Renesas Electronics, designed for 3G/4G TDD and FDD applications. It operates within a frequency range of 1.4GHz to 3.2GHz, with a test frequency specified at 3.6GHz. The device features a gain of 18dB, a P1dB of 21dBm, and a noise figure of 4dB. It requires a 5V supply voltage and draws 70mA of current. Packaged in a 12-VFQFPN (2x2) surface-mount format with a bare pad, it supports reliable signal amplification for wireless infrastructure.

RF Amplifiers Feature Summary

• Differential input and single-ended output architecture for efficient signal processing
• Optimized for high-gain performance in 3G and 4G cellular bands
• Surface-mount design suitable for compact base station implementations

RF Amplifiers Applications

• 3G/4G Time Division Duplex (TDD) base stations
• 3G/4G Frequency Division Duplex (FDD) base stations
• RF signal amplification in wireless communication infrastructure

RF Amplifiers Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS3 compliance and MSL level 1 status during intake inspection. Check for package integrity upon receipt. Note that DigiKey lists this part as discontinued; ensure alternative sourcing strategies are in place if long-term availability is required. Validate datasheet revisions against production batches.

RF Amplifiers Selection Notes

Select the F1429LBNELI when differential-to-single-ended conversion is required in the 1.4GHz to 3.2GHz band. Its 18dB gain and 21dBm P1dB make it suitable for mid-range power applications. Consider the 12-VFQFPN package for space-constrained PCB layouts. Ensure thermal management accounts for the bare pad design. Compare against other F1429 family members if higher frequencies up to 6GHz are needed.

RF Amplifiers Part Context

The F1429LBNELI belongs to the F1429 family of high-gain RF amplifiers by Renesas. This series covers frequencies from 1400MHz to 6000MHz. The LB variant specifically targets the lower portion of this range (1.4GHz–3.2GHz). It shares architectural similarities with other family members like the F1429MB but differs in operational bandwidth and specific application tuning for LTE and UMTS standards.

RF Amplifiers Replacement Considerations

Public confirmed substitute part numbers: None identified.