Application notes

Number Title Description Downloads
AN-01 Transducer Signal Port Location Key

Provides key to Knowles' port location and terminal location naming system for all microphones and receivers. Numerous examples of various port locations are provided.

Download PDF Tech specs

(153.12 kB)

AN-06 Ferrofluid damped ED receivers

Application and designers' guide to using ferrofluid damped receivers. Discusses damping level for current drive (CI) and voltage drive (CV) applications, damping options, ITE aid and BTE aid frequency reponse, temperature performance, improved shock performance, distortion performance, and multiple damping techniques (Type I screen damping, Type II damping, Type III multipierce diaphragm damping, and ferrofluid damping)

Download PDF Tech specs

(523.08 kB)

AN-10 Transducer warranty date code numbering system

Knowles Electronics system nomenclature for laser-marking manufacturing date codes with week and year of manufacture and warranty period is detailed. Warranty extension markings are reviewed along with numerous examples of date code markings.

Download PDF Tech specs

(163.69 kB)

AN-13 Soldering to Knowles transducers

Aids the user in assembling Knowles transducers into finished products with good soldering reliability while avoiding heat damage.

Download PDF Tech specs

(418.63 kB)