DFG-30852-000 KNOWLES | Alldatasheet

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Technical content

SHT 1.1 |. INCREASED PRESSURE AT THE SOUND INLET CAUSES A POSITIVE GOING VOLTAGE TO APPEAR AT THE OUTPUT TERMINAL, RELATIVE TO THE NEGATIVE TERMINAL {1064 002 D0, 160,02 TERMINAL = PX =] / FRONT PORT eS HL C)) ( Here AR PORT(6X) a / \\ = TERMINAL TERMINAL WAXIMUM SOLDER BUILDUP LY NOMINAL WEIGHT :

0.04 GRAMS DIMENSIONS IM MILLIMETERS CINCHES Active A

KNOWLES ELECTRONICS NOT SCALE DRAI Ls1_12-23-8 DO NOT SCALE DRAWING on oi ITASCA, ILLINOIS U.S.A. ; 1-10 ' “MICROPHONE ASSEMBLY] DFC-30852-000 j® +1 OUTLINE DRAWING SHT 1.1 tO) a

SHEET 2.1 PRODUCTION TEST PRODUCTION TEST RESPONSE CURVE 0 DEGREE \\ RESPONSE CURVE 180 DEGREE \\ UE Tt TT NNT TTT = \\ = . \\ \\ Seed \\ - = ke \\ IN 2 7 OO \\ \\ . pe ott TT TIN et TTT © -60 1 2 e of tL Net Ne 2 \\ : os 65 \\ oa 7 =e ot | | i tiie | eT TTT ed se ed ale | oT TTT TT EET -95 2 3 4 5 6 789 2 3 4 5 6 7893 100 1000 10000 REQUENCY IN HERTZ

0 DEGREE SENSITIVITY

FREQUENCY MIN NOM MAX RANGE OF DEVIATION FROM 1 kHz

0 DEGREE

5000 “54.0 #13.0 421.0 NOTES FRONT PORT(0°) WICROPHONE TO BE FUNCTIONAL WITH 3.0 VDC SUPPLY 2. SENSITIVITY VALUES INDICATED ON THIS SPECIFICATION ARE VALID AT 50% HUMIDITY 3. TEST EQUIPMENT AND FIXTURE:UNI TEST AND TA-[1I7-F PLACE PRODUCT IN A CLOSED BOX, 45.8 CM AWAY FROM 94 dB SPL SWEPT SOUND FIELD CREATED BY SPEAKER B ££ | S PIONEER TS-A6961E—~ | 6 INCH X 9 INCH SPEAKER \\. \\V Ne REAR PORT( 180°) (Oe 6 OPENINGS : 45.8 CM 4, FRONT TO BACK RATIO MIN, I2dB AT IKHz oc AMPLIFIER | OUTPUT IMPEDANCE OHMS | CAPACITANCE 50% SUPPLY} CURRENT DRAIN) win. | NOM. | MAX AY WEIGHTED NOISE >> 1-3 “23.0 a8 WA if CAPACITANCE PROBE POINTS Ib 3 2 | (GND) re ee Active A [aT roro33a; Pe 2s09 | WHEN TEST LIMITS ARE USED TO ESTABLISH INCOMING INSPECTION ACCEPTANCE/REJECTION CRITERIA, CORRELATION OF TEST EQUIPMENT WITH KNOWLES IS ALSO REQUIRED FOR \\ 5 5 ELIMINATION OF EQUIPMENT AND TEST METHOD VARIATION LS¥ 12-23-09 KNOWLES ELECTRONICS ITASCA, ILLINOIS U.S.A. "™’ MICROPHONE ASSEMBLY) DFC-30852-000 oS PRODUCTION TEST RESPONSSE SHT 2.1

SHEET 2.2 TYPICAL NEAR FIELDS TYPICAL FAR FIELD TYPICAL FAR FIELD \\ ir RESPONSE CURVE | RESPONSE CURVE 0 DEGREE \\ RESPONSE CURVE 180 DEGREE \\ = ~ 4548 : . e wf dL TET TINT TON ia -50 5 \\ eo oyf [Ll TTA TT Mery 3 55 ae = of ttt Titty \\ Peet Leh ee ee ee ee | (EEStor 23 . ue : Sa -10 7 = ’ ey ee ee cee Ee TS om = ee 5s “ 2a -80 : =S oe wl dee] TTT eet TTT -90 2 3 4 5 6 7 8 9 2 3 4 BY 6 7 89 100 00 10000 REQUENCY IN HERTZ TYPICAL FREE-FIELD POLAR PATTERN AT |25Hz TYPICAL FREE-FIELD POLAR PATTERN AT KHz TYPICAL FREE-FIELD POLAR PATTERN AT 4KHz ° ° _o 330-8 30 330-6 | 30 330-7 “30 ee SS A a JS rn aN Z\\ aN < , \\\\ ) \\ \\ {i LN ) ky >: wee < \\ SO +7 Se \\ Xe / \\ PS) \\ 7 A KAY \\ aN / \\ FZ Ny, “NT yO _x! 20 240° S~ _ /” aN y, L x 120 [~stee"\\ OY NY, | \\ / \\/ / \\ / \\ l 180 180 180 te TYPICAL FREE-FIELD POLAR PATTERN AT !OKHz NOTES: |. MAX. SOUND PRESSURE LEVEL 130dB a 330-6 90 2. MICROPHONE SUSPENDED ON 36 GAGE LITZ WIRECAS SHOWN) ov J IN ANECHOIC CHAMBER (NO FIXTURE), IM FROM SPEAKER \\ 41 — ‘ 300, 7 eo

7 L\\ / UN

—PCB fi 7 SO TX 1 \\ a { 77 1 \\ fi { \\| / | anol L ts Yr : 30 vo 7 / Joa |] SOLDER \\\\ < PX KE WIRE 46 ANG a ONL MK? oo 1.591] 20 __-®o 3. NEAR FIELD TEST CONDITION MICROPHONE SUSPENDED CENTERED 6mm ABOVE APERTURE OF B&K TYPE 4227 MOUTH SIMULATOR po . po Active A Pa orroro33e [223-09 WHEN TEST LIMITS ARE USED TO ESTABLISH INCOMING INSPECTION ACCEPTANCE/ REJECTION CRITERIA, CORRELATION OF TEST EQUIPHENT WITH KNOWLES 1S ALSO REQUIRED FOR , soote ELIMINATION OF EQUIPMENT AND TEST METHOD VARIATION Lsy 12-23-09 KNOWLES ELECTRONICS ITASCA, ILLINOIS U.S.A. "MICROPHONE ASSEMBLY| DFG-30852-000 fo 2 REFERENCE TYPICAL PERFORMANCE SHT 2.2