HMC891A

RECOMMENDED FOR NEW DESIGNS

1.95 GHz to 3.4 GHz, Tunable Band-Pass Filter

Data Sheet (Rev. 0) Product Selection Table

Part Models: 2
1ku List Price: price unavailable

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Overview

Amplitude settling time: 200 ns
Re-entry rejection (wideband rejection): ≥30 dB
Single-chip replacement for mechanically tuned designs
RoHs compliant, 32-lead, 5 mm x 5 mm LFCSP package

The HMC891ALP5E is a monolithic microwave integrated circuit (MMIC) band-pass filter that features a user-selectable pass band frequency. The 3 dB filter bandwidth is approximately 9% and the 20 dB filter bandwidth is approximately 23%. The center frequency (fCENTER) can be varied between 1.95 GHz and 3.4 GHz by applying an analog tune voltage between 0 V and 14 V.

This tunable filter can be used as a smaller alternative to physically large switched filter banks and cavity tuned filters.

The HMC891ALP5E has excellent microphonics due to the monolithic design, and provides a dynamically adjustable solution in advanced communications applications.

Applications

Testing and measurement equipment
Military radar and electronic warfare/electronic counter measure (ECM)
Satellite communication and space
Industrial and medical equipment

Part Models: 2
1ku List Price: price unavailable

Documentation

Data Sheet 1

HMC891A: 1.95 GHz to 3.4 GHz, Tunable Band-Pass Filter Datasheet (Rev.0) 09/19/2018

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
HMC891ALP5E	32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
HMC891ALP5ETR	32-Lead LFCSP (5mm x 5mm x 0.75mm w/ EP)	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Tools & Simulations

S-Parameter Files (S2P)

S-Parameters for RF and Microwave Tunable Filters

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Evaluation Kits

HMC891A Evaluation Board

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Product Details

All RF traces are routed on Layer 1 (primary side) and the remaining three layers are ground planes that provide a solid ground for RF transmission lines. The top dielectric material is Rogers 4350, which offers low loss performance. The prepreg material in Layer 2 attaches the Isola 370HR core layer with copper traces layers above and below the core layer. Both prepreg material and the Isola 370HR core layer are used to achieve the required board finish thickness.

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