Knowles strives to keep you informed on the latest technologies, applications, and product information. This section will provide you with the most current, up to date technical information.
AN 1 - Transducer Signal Port Location Key (PDF 40KB) AN4 - Directional Microphone Applications (PDF 238KB) AN10 - Transducer Warranty Date Code Numbering System (PDF 23KB) Soldering Leads to Transducers (PDF 91KB) SiSonicTM Amplified Circuit Diagram (PDF 80KB) SiSonicTM Differential/Balanced Circuit Design (PDF 100KB) Lead Free Soldering Notes for ECM Microphone (PDF 116KB)
TB1 - STABILITY OF AMPLIFIER SYSTEMS CONNECTED TO THE BL MICROPHONE TB2 - RECEIVER TESTING MAXIMUM CURRENT MODULATION TB3 - EFFECTS OF SOUND INLET VARIATIONS ON MICROPHONE RESPONSE TB4 - SOLDERING TRANSDUCER LEADS TB6 - EFFECTS OF ACOUSTICAL TERMINATION UPON RECEIVER RESPONSE TB7 - EFFECTS OF SOURCE IMPEDANCE UPON RECEIVER RESPONSE TB8 - THE TRANSDUCER ENVIRONMENT TB9 - BT CONDENSER MICROPHONE 2-WIRE APPLICATION NOTES TB10 - BW-1789 APPLICATION NOTES TB11 - EFFECTS OF VARIATION OF SUPPLY VOLTAGE ON THE SENSITIVITY TB12 - APPLICATION NOTES FOR BL SERIES MICROPHONES TB13 - EFFECTS OF VARIATION OF SUPPLY VOLTAGE ON THE SENSITIVITY TB14 - THE EFFECT OF ACOUSTIC DAMPING PLUGS ON RECEIVER RESPONSE TB15 - XL-9073 PROBE MICROPHONE KIT APPLICATION NOTES TB16 - ELECTRONIC RESPONSE SHAPING OF DIRECTIONAL MICROPHONES TB17 - BROADER BAND BK APPLICATION NOTES TB18 - CB APPLICATION NOTES TB19 - VIBRATION SENSITIVITY OF KNOWLES MICROPHONES TB20 - WIDEBAND RECEIVER APPLICATION BULLETIN TB21 - EB DIRECTIONAL HEARING AID MICROPHONE APPLICATION NOTES TB22 - MAGNETIC LEAKAGE FOR RECEIVERS TB23 - MOUNTING APPLICATION NOTES
TR-1 Protection Against Shock and Vibration TR-2 On Noise Distortion and Harmonic Distortion Measurement TR-3 Vibration Isolator Design TR-4 Vibration Isolation of the BL Microphone TR-5 A Wideband Miniature Microphone TR-6 On Making Pressure Measurements in Insert Earphone Couplers and Real Ears TR-7 Earphone Pressure in Ears and Couplers TR-8 Zwislocki Coupler Evaluation with Insert Earphones TR-9 A Subminiature Condenser Microphone - Using Electret Technology TR-10 Subminiature Directional Microphones TR-11 A Subminiature Electret - Condenser Microphone of New Design TR-12 Anthropometric Manikin for Acoustic Research TR-13 Smoothing the Hearing Aid Frequency Response TR-14 Vibration Sensitivity Measurements on Subminiature Condenser Microphones TR-15 Probe-tube Microphone Assembly TR-16 Noise of Ears and Microphones TR-17 Earmold Plumbing for Wideband Hearing Aids TR-18 An Experimental Wideband Hearing Aid TR-19 Directional Hearing Aid Capabilities TR-20 Technical Notes on the Use of the BU-1771 Accelerometer Cartridge TR-21 Directional Matrix Technical Report
