LTC5543IUH#TRPBF

Product Overview

LTC5543IUH#TRPBF from Analog Devices Inc. is a high dynamic range downconverting mixer used for RF and microwave frequency conversion. This product detail focuses on practical mixer parameters such as RF/LO/IF range, conversion performance, linearity, drive requirements and package compatibility.

The device is suitable for receiver, transmitter, upconversion or downconversion stages where the exact suffix must be matched for package, tape-and-reel format, temperature grade and RF layout before purchase.

Key Features

• Manufacturer: Analog Devices Inc.
• Part Number: LTC5543IUH#TRPBF
• Device Type: high dynamic range downconverting mixer
• Mixer Configuration / Topology: High-gain passive downconverting mixer with integrated LO buffer
• RF Frequency Range: 2.3 GHz to 4.0 GHz optimized RF range
• LO Frequency Range / Drive: LO frequency range selected for 2.3 GHz to 4.0 GHz downconversion applications
• IF Frequency Range: IF output range depends on external matching and filter plan
• Conversion Gain / Loss: High dynamic range passive downconverter family with conversion gain class performance
• Linearity / P1dB: High IIP3 mixer family for WiMAX, LTE and microwave receiver stages
• Noise Figure / Receiver Noise: Noise figure optimized for infrastructure receiver paths
• Supply / Bias: Active LO buffer / mixer bias supply required
• Package / Case: UH/QFN package family depending on suffix
• Operating Temperature: Industrial grade depending on suffix
• Design Notes: Use LTC5543 when the receiver covers the upper 2.3 GHz to 4.0 GHz member of the LTC5540/41/42/43 family.

Applications

Wireless infrastructure, cellular base stations, microwave radios, satellite communication equipment, radar front ends, test instruments and broadband receiver or transmitter conversion paths.

Repair, prototype and shortage-support builds where original Analog Devices / Hittite / Maxim mixer suffix, package footprint and frequency plan must remain compatible with the existing RF design.

Quality & Sourcing

Antrex Electronics can support sourcing for LTC5543IUH#TRPBF through available stock checks, BOM consolidation and alternative-lot review. For RF mixer components, date code, MSL handling, original label condition and package integrity should be reviewed before shipment.

For production recovery, repair support or shortage coverage, Antrex Electronics can coordinate visual inspection, package verification and third-party testing when required. This helps buyers manage risk when sourcing discontinued, legacy or hard-to-find RF mixer parts.