BH4138FV-E2

RF Mixers Overview

The BH4138FV-E2 is an RF mixer integrated circuit manufactured by ROHM Semiconductor, designed for digital cellular phone applications. It operates within a frequency range of 10 MHz to 200 MHz and features a built-in second mixer and IF amplifier. The device provides a gain of 100 dB with a noise figure of 8.5 dB. It supports a local oscillator frequency of 129.55 MHz and processes intermediate frequencies between 350 kHz and 500 kHz. Power consumption is limited to 350 mW, operating on a supply voltage from 2.3 V to 5.5 V. The component is housed in a 16-pin SSOP package and functions within a temperature range of -40°C to +85°C.

RF Mixers Feature Summary

• Integrates a second mixer circuit, IF amplifier, and RSSI circuit into a single chip.
• Optimized for high-frequency signal processing in digital cellular communication systems.

RF Mixers Applications

• Digital cellular phones
• RF receiver front-end modules
• Intermediate frequency signal processing

RF Mixers Procurement Notes

This component carries an NRND (Not Recommended for New Designs) status, indicating it is not suitable for new product development. Verify current availability through authorized distributors as stock levels may be limited. Confirm end-of-life notifications or discontinuance updates prior to procurement to ensure supply chain continuity for existing designs.

RF Mixers Selection Notes

Select this IC when designing legacy digital cellular architectures requiring a combined mixer and IF amplifier solution. Ensure the application environment stays within the specified 2.3 V to 5.5 V supply range and -40°C to +85°C temperature limits. Consider the 16-SSOP package constraints for PCB layout and thermal management during integration.

RF Mixers Part Context

The BH4138FV-E2 belongs to ROHM's wireless and RF integrated circuits portfolio, specifically targeting mobile communication hardware. It serves as a specialized component for down-converting RF signals to intermediate frequencies in cellular handsets. The part represents a consolidated solution for mixer and amplification stages, reducing component count in receiver chains.

RF Mixers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Due to the NRND status, alternative components should be evaluated based on functional equivalence and interface compatibility for existing designs.