ALM-38140-TR1G

Attenuators Overview

The ALM-38140-TR1G is a PIN diode variable attenuator module manufactured by Broadcom Limited. It operates within a frequency range of 50 MHz to 4 GHz and provides an attenuation range of 36 dB to 42 dB. The device features a maximum insertion loss of 3.2 dB and supports a power rating of 36 dBm (300 mW). Designed for surface mount applications, it utilizes a 6-pin MCOB package. The component functions with a supply voltage of 2.7 V and maintains operational stability across a temperature range of -40°C to +85°C.

Attenuators Feature Summary

• Utilizes PIN diode technology for analog voltage-controlled signal attenuation
• Provides wideband RF performance from 50 MHz to 4 GHz
• Integrated module design in a compact 6-pin MCOB surface-mount package

Attenuators Applications

• Wireless communication systems requiring variable signal control
• RF test and measurement equipment
• NFC and RFID component integration

Attenuators Procurement Notes

This component is officially listed as obsolete or end-of-life by the manufacturer. Availability is restricted, and distributors may not stock this item in all regions. Verify current lifecycle status and sourcing options through authorized channels before procurement planning.

Attenuators Selection Notes

Select this part for applications requiring precise voltage-variable attenuation in the UHF to microwave spectrum. Ensure the design accommodates the 6-MCOB footprint and SMD mounting requirements. Confirm that the 50 Ohm impedance matches the system architecture and that the thermal environment stays within the specified operating limits.

Attenuators Part Context

The ALM-38140 series belongs to Broadcom's portfolio of wireless and RF integrated circuits. This specific model represents a silicon-based attenuator module designed for high-frequency signal management. It serves as a specialized solution for controlling RF signal levels in complex electronic assemblies where analog voltage adjustment is necessary.

Attenuators Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. As the component is marked as obsolete, alternative sourcing requires direct verification with the manufacturer or authorized distributors for potential cross-reference data.