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GS3020 数据表(PDF) 1 Page - Gennum Corporation |
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GS3020 数据表(HTML) 1 Page - Gennum Corporation |
1 / 6 page DynamEQ® I Dynamic Equalizer FEATURES • handles high input levels (up to 100 mVRMS) cleanly • low THD and IMD distortion • unique twin average detectors • dual channel signal processing • adjustable AGC threshold levels • highpass filter with adjustable corner frequency • 2:1 compression of high frequencies • no external capacitors or resistors required • 30% smaller by volume than DynamEQ ® I GS3011 STANDARD PACKAGING • Hybrid Typical Dimensions 0.250 in x 0.115 in x 0.115 in (6.35 mm x 2.92 mm x 2.92 mm) GS3020 - DATA SHEET DESCRIPTION The DynamEQ® I hybrid is a dynamically adaptive loudness growth equalizer. Its gain and frequency response is dependent on the user's environment, and is designed for level dependant frequency response providing treble increase at low levels (TILL). The unique twin averaging detector circuit dramatically reduces pumping effects and is optimized for mild to moderate hearing loss. DynamEQ® I has two signal paths for dual channelprocessing incorporating 4 amplifying stages ( A, B, C, D ) and the AGC processing circuit. Stage A is a highpass channel with 2:1 compression, Stage B is a wideband unity gain buffer. The sum of the two paths gives a high frequency boost to low level signals, which gradually compresses to a flat response at high input levels. Stage C is used for volume control adjustment, while stage D is a class A power amplifier with receiver bias current adjustment. FUNCTIONAL BLOCK DIAGRAM Revision Date: May 1998 0µ1 100k 1k - C 11 VB VREG C1 2µ2 REGULATOR SLOW AVERAGE DETECTOR FAST AVERAGE DETECTOR RTH CURRENT REFERENCE 2:1 COMPRESSION CONTROL GS3020 RE CHP OUT IN MGND COUT CIN 0µ1 0µ1 12k C3 0µ1 C2 3n9 - A - B R1 68k RECTIFIER D 24k VB R2 50k GND 50k 515 2µ2 100k 50k 50k C4 C5 C7 C6 5 8 2 6 9 3 7 10 11 4 1 All resistors in ohms, all capacitors in farads unless otherwise stated. Patent Pending. GENNUM CORPORATION P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3 tel. +1 (905) 632-2996 Web Site: www.gennum.com E-mail: hipinfo@gennum.com Document No. 521 - 05 - 04 |
类似零件编号 - GS3020 |
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类似说明 - GS3020 |
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