BEM-23346-D47 KNOWLES | Alldatasheet
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NOTE: |. INCREASED PRESSURE AT SOUND INLET |e 0 480,03 CAUSES A POSITIVE GOING VOLTAGE TO 8040, 05 T Olde 001] APPEAR AT THE OUTPUT TERMINAL, Core 002 } RELATIVE TO THE NEGATIVE TERMINAL h . L 2, 2140, 08 (087+ .003] =— 3,569+0,038 | oko. 04 €. 14054-0015] B is 1, 5540, 05 4 ) ' ' 5 dtdatss 0018) \\ f (061/002 2,170,083 3, 56940,038 y ft 109+ 0011 if 1405+ .0015] fb f ® © ; 9, 5800, 100 _ POSITIVE (02284 0039] TERMINAL NEGATIVE TERMINAL
2 OUTPUT
[—) TERMINAL ene NOMINAL WEIGHT a 0 eee . V IMENSIONS IN MILLIMET NCHES]
08 GRAMS DIMENSIONS IN MILLIMETERS CLINCHES] Active
KNOWLES ELECTRONICS taih_6-28-08 DO NOT SCALE DRAWING ck av Me ITASCA, ILLINOIS U.S.A. 6 5 ' MICROPHONE — | BEM-23346-D47 Jo 1-0: OUTLINE DRAWING SHT 1.1
| SHEET 2.1 = -40 dB Se es ee = ee : ee ee eee cee een = -55 S : ee ee ee es -60 Se oo | | TTI | | teil Se =e -10 z= ol 1 | tI | | IT {iii E Be -80 2 3 4 5 6 7189 2 3 4 5 6 789 100 1000 0000 FREQUENCY IN HERTZ SENSITIVITY DEVICE CONFORMITY FREQUENCY MIN NoM MAX RANGE OF DEVIATION FROM IKH2 NOTES |. CASE CONNECTED TO NEGATIVE TERMINAL 2. MICROPHONE TO BE FUNCTIONAL WITH 1.6 VDC SUPPLY. 3. TYPICAL SENSITIVITY TO HUMIDITY AT 1000H2 1S 0.03 dB/2RH 4. SENSITIVITY AND NOISE VALUES INDICATED ON THIS SPECIFICATION ARE VALID AT 50% HUMIDITY cp | SENSITIVITY CHANGE Jaye PORT oc AMPLIFIER A" WEIGHTED NOISE ON REDUCING SUPPLY |, [ Revision | C.0. # J Implementation Date T RELEASE LEVEL REVISION | Lt [moms [ es] : Active WHEN TEST LIMITS ARE USED TO ESTABLISH INCOMING INSPECTION ACCEPTANCE/ REJECTION CRITERIA, CORRELATION OF TEST EQUIPMENT WITH KNOWLES IS ALSO REQUIRED FOR ELIMINATION OF EQUIPMENT AND TEST METHOD VARIATION MMM. 6-28-05 KNOWLES ELECTRONICS ITASCA, ILLINOIS U.S.A. mm MICROPHONE BEM-23346-D47 fos 1-05 PERFORMANCE SPECIFICATION SHT 2.1