BU-23173-000 Knowles Acoustics, BU-23173-000 Datasheet
BU-23173-000
Specifications of BU-23173-000
BU-3173
BU-3173
Related parts for BU-23173-000
BU-23173-000 Summary of contents
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Acoustic Interface Design Guide MEMS MICROPHONES ECMs SPECIALTY MICROPHONES SPECIALTY SPEAKERS CUSTOM ASSEMBLIES ACOUSTIC SOFTWARE MICROPHONE AND SPEAKER BASICS ...
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... Discover 2 your next acoustic interface solution. Knowles Acoustics offers you a full spectrum of MEMS microphones, electret condenser microphones, specialty microphones, balanced armature speakers, custom assemblies, and sound conditioning software. This application guide will help you select the right acoustic interface solution. Knowles reserves the right to change designs and specifications without prior notice. Should a safety concern arise regarding this product, please contact us immediately for technical consultation ...
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... For support from concept to design to sub-assembly, or any step along the way, just call us. Or visit us at www.knowles.com Table of Contents MICROPHONES - MEMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-5 MICROPHONES - ECMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-8 SPECIALTY TRANSDUCERS - MICROPHONES . . . . . . . . . . . . . . . . 9-14 ACCELEROMETERS & DAMPERS . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 SPECIALTY TRANSDUCERS - SPEAKERS . . . . . . . . . . . . . . . . . . 15-23 CUSTOM ASSEMBLIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 ACOUSTIC SOFTWARE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 MICROPHONE AND SPEAKER BASICS . . . . . . . . . . . . . . . . . . . . 26-27 www.knowles.com ...
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... The proven and evolving design series continues to support high-performance, high-density innovation in such applications as cell phones, digital still cameras, portable music players, premium earbuds and other portable electronic devices. Design variables include ever-smaller sizes, lower profiles and mounting options, increased output capacities, and new digital audio options that eliminate analog noise ...
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... Ultra Mini Package - 3.76 x 2.95 x 1.10 (mm) • New Ultra Mini with footprint of 11mm • Flexible designs available with/without RF filtering and built in amplifier • Ideal for miniature consumer electronics Description Directivity SPU0409HE5 Standard Omni SPU0409HD5 Standard Omni SPU0409HE5 Amplified Omni SPU0409HD5 Amplifi ...
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MICROPHONES – ECMs Electret Condenser Microphones Electret Condenser Microphones (ECM) are for general use in all electronic products requiring a microphone. ECMs provide good acoustic performance and reliability under non-severe environmental conditions. • Highly efficient electrical specifications • Industry standard ...
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... MD9745APZ-F -42.0±2 None 9.7x4.5 FREQUENCY RESPONSE 10k FREQUENCY (Hz) www.knowles.com MICROPHONES – ECMs Filter Termination Solder Type Solder Type Solder Type Pin Type PCB, Bullseye Solder Type Solder Type 6x1.5 FREQUENCY RESPONSE -10 -20 - 100 1k FREQUENCY (Hz) 6x2.7 FREQUENCY RESPONSE -10 -20 ...
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... FREQUENCY (Hz) Value Added Microphone Assemblies Knowles Acoustics has over 60 years experience with precision assembly for demanding applications. By allowing Knowles to work with your design engineers we are typically able to provide a lower overall cost (time to market, R&D expenses, production scrap and inventory issues) with some of the highest quality standards in the industry. ...
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Specialty Transducer Microphones The Specialty Transducer (ST) product line consists of miniature microphones, speakers, and assemblies. Hundreds of design possibilities can be applied to your product challenge with our high-performance microphone designs. Ideal for new product ideas that require premium ...
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SPECIALTY TRANSDUCERS – Microphones EK/EL SERIES – Microphone Omnidirectional (EK), Unidirectional (EL) 4.00 x 5.59 x 2.28 (mm) EK omnidirectional microphones provide a unique combination of size, performance and value. Its high electroacoustic sensitivity and low noise make this microphone ...
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... Knowles’ Piezo Ceramic Microphones (BL Series) are rugged, stable and versatile. BL microphones are available in three different package sizes: standard, thin or 0.5" cylindrical shell and cable assembly. Both communication and broadband frequency response versions are offered. In addition, BL microphones have high vibration sensitivity and may be used as accelerometers. • High sensitivity • ...
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SPECIALTY TRANSDUCERS – Microphones WP SERIES – Waterproof Microphone Omnidirectional, Noise Canceling 4.00 x 5.59 x 2.28 (mm) Knowles’ waterproof microphones survive immersion in water. The WP Series’ form factor is a very small size with low vibration sensitivity. The ...
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... PWP utilizes the WP Series of electret, close-talking microphones with the same acoustic characteristics as the NR series, but with the addition feature of waterproofing to withstand submersion in 1m water • The housings of the NR Series and WP Series microphones are attached to plastic tubing, which can be customized to a particular length • ...
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... High resistance to mechanical shock • Withstands severe environmental conditions Sensitivity @ Thickness 1KHz (db re 1V/g) BU-21771-000 4.06 BU-23173-000 4.06 BU-23842-000 2.24 BU-27135-000 2.24 BF Series – Acoustic Dampers Dampers are acoustic cloth screens for insertion inside acoustic tubing. These damping elements are used between the speaker outlet and the ear canal to smoothen the frequency response. • ...
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Specialty Transducer Speakers Knowles sub-miniature speaker designs are based on balanced armature technology and are utilized in a variety of high performance audio and communication products. Knowles balanced armature speakers are available in several sizes and efficiencies, which can be ...
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SPECIALTY TRANSDUCERS – Speakers FK SERIES – Balanced Armature Speaker 5.00 x 2.73 x 1.93 (mm) The world’s smallest balanced-armature speaker, the FK Series is designed for applications where size is the most important design concern. • 114dB SPL maximum ...
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WBHC SERIES – Balanced Armature Speaker 5.16 x 3.51 x 3.00 (mm) The advanced design of the HC Series speaker provides extended acoustic bandwidth for hi-fi in-ear speakers when paired with a low frequency speaker. • Lower low/mid band sensitivity ...
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... Balanced Armature Amplified Speaker 5.18 x 3.54 x 3.04 (mm) ES SERIES EH size speaker with integrated Class D power amplifier • EH micro speaker, but with internal, highly-efficient, class D amplifier • Lower current drain prolongs battery life • Lower distortion • ...
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FED SERIES – Balanced Armature Speaker 6.32 x 4.31 x 2.47 (mm) The addition of Ferrofluid ™ to Knowles ED series speakers improves mechanical shock survival and provides peak damping to smooth frequency response. • Ferrofluid ™ damped with 2dB, ...
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SPECIALTY TRANSDUCERS – Speakers EC SERIES – Balanced Armature Speaker 7.57 x 4.31 x 3.67 (mm) EC Series speakers are commonly used in isolating earphones for radio communication. • Similar SPL output to the BK Series • Rounded corners on ...
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... The CM Series delivers the benefits of balanced armature technology in a compact finished package. The CM is ideal for use in situations where a non-contacting headset is required, but signal voltage is limited – common for radios and wireless telephones. The CM also conserves battery power, and provides static shock protection for the user. ...
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SPECIALTY TRANSDUCERS – Speakers SR SERIES – Balanced Armature Speaker 8.84 DIA x 5.00 (mm) At 8.8mm diameter, the SR is the first round balanced armature speaker in the marketplace. SR offers output equivalent to the BK series and maximizes ...
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MR SERIES – Waterproof Speaker 22.12 DIA x 9.3 (mm) The MR Series Assemblies consist of a speaker element attached to a waterproof bellows assembly. They may be panel mounted, and are suitable for outdoor use or repeated submersion. • ...
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... Knowles Acoustics. COMPLETE SOLUTION Knowles Acoustics Finished Goods program offers reduced time to market at an ultimately reduced total manufacturing cost of acoustic product ownership. Support in design, application, assembly and testing are all elements included in our services. Off-the-shelf designs are also available. Design Support • ...
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INTELLISONIC ™ The intelligibility and use of mobile communications are often impeded by the impact of noise from the immediate environment. IntelliSonic is a software-based speech enhancement technology that when coupled with Knowles’ microphones, reduces the effects of reverberation, directionally ...
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MICROPHONE AND SPEAKER BASICS MICROPHONE AND SPEAKER BASICS MICROPHONES Microphones measure sound pressure. Inside a Knowles microphone is a thin flexible diaphragm, an electrically charged plate, and an amplifier (Fig. 1). The output voltage is proportional to changes in the ...
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SPEAKERS The speaker converts an electrical signal into sound. A cross section of a typical Knowles speaker is shown in Fig. 3. The basic components of the speaker are: a coil of wire, a metal U-shaped reed called the armature, ...
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... Knowles China Knowles Taiwan Knowles Malaysia Knowles Singapore Knowles Australia KOREA: ASIA: Knowles Acoustics Knowles Acoustics #1212 Dongbu Root Building, 16-2 5F, No. 129, Lane 235, Bauchiau Rd. Sunae-Dong Shindian City, Taipei 23145, Taiwan Bundang-Ku, Sungnam-Shi Phone: 886-2-8919-1799 Kyunggi-Do, Korea Fax: 886-2-8919-1798 Phone: 82-31-712-2223 ...