MAR-8ASM+

Overview

The MAR-8ASM+ is a wideband monolithic microwave integrated circuit (MMIC) amplifier manufactured by Mini-Circuits, designed for cellular and PCN applications. It operates from DC to 1 GHz with a typical gain of 25 dB. The device features a noise figure of 3.1 dB, a P1dB compression point of 12.5 dBm, and an OIP3 of 24 dBm. It requires a supply voltage of 3.7 V and draws 36 mA of current. Enclosed in a compact 4-SMD Micro-X package, it offers high dynamic range and repeatable performance across production lots.

Feature Summary

• Wideband operation covering DC to 1 GHz frequency range
• High dynamic range suitable for demanding RF environments
• Repeatable performance consistency across manufacturing lots
• Compact surface-mount Micro-X package design

Applications

• Cellular infrastructure amplification
• PCN (Personal Communications Network) systems
• General-purpose RF signal amplification within specified bandwidth

Procurement Notes

Verify the exact part number suffix against official Mini-Circuits documentation to ensure correct RoHS compliance and pinout configuration. Confirm that the required biasing network matches the specific variant's resistor values, as indicated in replacement guides. Ensure the procurement source provides valid datasheets matching the component's electrical specifications before finalizing orders.

Selection Notes

Select this component when a wideband amplifier is needed for frequencies up to 1 GHz with moderate gain requirements. It is suitable for designs prioritizing high dynamic range and consistent lot-to-lot performance. Consider the 4-SMD package size for space-constrained PCB layouts. Verify that the 3.7V supply voltage aligns with the system power architecture.

Part Context

The MAR-8ASM+ belongs to the MAR series of MMIC amplifiers from Mini-Circuits, known for their reliability in RF and microwave applications. This series typically includes various models optimized for different frequency bands and gain levels. The MAR-8ASM+ specifically targets cellular and PCN markets, offering a balance of gain, linearity, and noise performance in a small form factor.

Replacement Considerations

The MAR-8SM+ is listed as a form-fit compatible replacement. Note that changes may involve bias resistor value adjustments per official application notes. If the replacement requires a bias resistor greater than 250 ohms, the RFC component can be eliminated according to Mini-Circuits guidelines.