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GS3044 数据表(PDF) 1 Page - List of Unclassifed Manufacturers |
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GS3044 数据表(HTML) 1 Page - List of Unclassifed Manufacturers |
1 / 6 page DATA SHEET AGC-O with Active Low Cut Filter in a CIC Size Hybrid - GS3044 FEATURES • CIC suitable package size • low distortion compression limiting • 38dB maximum system gain, adjustable over a 38dB range • output compression threshold, adjustable over 16dB range • 2nd order active low cut filter adjustable from 530Hz to 2.0kHz • designed to drive a class D integrated receiver • averaging detector • flexibility to add high cut filter STANDARD PACKAGING Hybrid typical dimensions: 0.180 x 0.110 x 0.070 in. (4.57 x 2.79 x 1.78 mm) DESCRIPTION The GS3044 CIC hybrid features AGC-O capability for low distortion output limiting with an active low cut filter in a package size suitable for CIC instruments. The circuit consists of an AGC preamplifier and output stage, capable of driving a class D integrated receiver. The compression control circuit, connected between the input and output of the AGC preamplifier, varies the current controlled resistance. It operates with an 8:1 compression ratio and uses an averaging detector with a time constant of 270ms, selected to provide optimal sound quality over a full range of sound and listening environments. The actual attack and release times are typically 40ms and 150ms respectively when the circuit is fully in the compression region of operation (measured times vary depending on gain and threshold settings). The system gain, compression control and filter corner frequency can be adjusted by choosing three independent resistors or 100k trimmers. Maximum system gain is 38dB. It can be adjusted within a 38dB range. The output compression threshold can be adjusted within a 16dB range. The filter's corner frequency can be adjusted from 530Hz to 2kHz. BLOCK DIAGRAM Revision Date: March 2000 C2 0 µ1 C5 0 µ1 C7 0 µ15 C8 33n 12k 48k VB REGULATOR 48k -A RECT. B 8:1 COMPRESSION CONTROL C6 22n RVC RTH -F C1 15n C3 6n8 C4 10n RHP 10k 80k 800 IN FOUT AIN GND VREG VB OUT GS3044 R1 = 0 Note: R1 can be desoldered from hybrid to break connection between FOUT and AIN 10 1 4 5 6 7 8 9 3 2 All resistors in ohms, all capacitors in farad, unless otherwidse stated. 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 - 90 - 02 |
类似零件编号 - GS3044 |
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类似说明 - GS3044 |
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