FED-30027-I24 KNOWLES | Alldatasheet
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31 GRAMS DIMENSIONS IN MILLIMETERS CINCHES] Active
KNOWLES ELECTRONICS | sor__6-140 DO NOT SCALE DRAWING a one ITASCA, ILLINOIS U.S.A. Tae Gye 53-0 - - GJP 6-23-06 RECEIVER FED-30027-124 }°* ~ OUTLINE DRAWING SHT 1.1 ee 6-23-06
THE FED-30027-124 1S A FERROFLUID AND HEAVY TYPE 11 DAMPED £0-27288 CSET ahi FED- 30027 - 124 RECEIVER WITH A PEAK OF -IdB RELATIVE TO THE SENSITIVITY AT kHz TYPE Il DAMPING SHEET 2.1 UNDER CONSTANT VOLTAGE DRIVE CONDITIONS THIS MODEL HAS INCREASED DCR/IMPEDANCE RATIO AND 1S NOMAINALLY 4 dB DAMPED BY FERROFLUID AND 4dB BY HEAVY TYPE || DAMPING. CONSTANT VOLTAGE DRIVE CONDITIONS 120 e wt | | TE tit tT eee S 110 Po © gg L eter tft] TT tt TT a es eee ee 30 a ae =e es es 2. _ =S i 8 BS Ze 7-* =S 85 . ey ee 2S 80 eed . a eee 2 3 4 5 6 789 2 3 4 5 6 7 89 100 000 0000 FREQUENCY IN HERTZ ACOUSTICAL SENSITIVITY DEVICE WILL PRODUCE THE SPL LISTED BELOW UNDER TEST CONDITIONS DESCRIBED IN TABLE 3 NOMINAL SENSITIVITY AT [kHz IS dB RELATIVE TO 20uPa. ALL OTHER VALUES IN dB RELATIVE TO THE SENSITIVITY AT [kHz 500 [+0.5 eae +48 PORT LOCATION: 12¢ 1000 -2.0 102.5 #2.0 faos0 CY 4000 15.0 ec TABLE TOTAL HARMONIC DISTORTION DEVICE WILL NOT EXCEED TOTAL HARMONIC DISTORTION LEVELS LISTED BELOW FREQUENCY (Hz) [AC DRIVE (Vrms) [DC BIAS (mA) [LIMIT (4) 500 0.470 0 10 830 0.167 0 5 1250 0.167 0 5 TABLE 2 TEST CONDITIONS NOMINAL SOURCE VOLTAGE 0.167 V rms, OmA DC BIAS SOURCE IMPEDANCE <1_Ohm TUBING 10mm 0.394") LONG, Imm [.039"] 1.) COUPLER CAVITY 2 CM, SIMULATED ANSI $3.7 TYPE HA-3 (IEC 126) TABLE 3 ELECTRICAL DC RESISTANCE 48 OHMS + 10% IMPEDANCE @ 500 Hz 74 OHMS + 15% IMPEDANCE @ | kHz 16 OHMS + 15% TABLE 4 ISOLATION: CASE WILL BE ELECTRICALLY ISOLATED FROM THE COIL CIRCUIT TEMPERATURE: OPERATING RANGE FROM O°C TO 63°C (SENSITVITY WILL NOT VARY BY MORE THAN +3 dB WITHIN RANGE) SENSITIVITY AT O°C IS 2dB LOWER THAN THE SENSITIVITY AT ROOM TEMPERATURE DELTA PEAK IS dB HIGHER AT BODY TEMPERATURE (37°C) STORAGE RANGE FROM -40°C TO 63°C po . re ee 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 NETHOD VARIATION SdZ 6-14-06 KNOWLES ELECTRONICS ITASCA, ILLINOIS U.S.A. ™ RECEIVER FED-30027-124 [ss _s-28 PERFORMANCE SPECIFICATION SHT 2.1