NE571, NE570D, NE570
DESCRIPTION PIN CONFIGURATION The NE570 is a versatile low cost dual gain control circuit in which either channel may be used as a dynamic range compressor or expandor. Each channel has a full-wave rectifier to detect the RECT_CAP_1 1 16 RECT_CAP_2 average value of the signal, a linerarized temperature-compensated RECT_IN_1 2 15 RECT_IN_2 variable gain cell, and an operational amplifier. G_CELL_IN_1 3 14 G_CELL_IN_2 The NE570 is well suited for use in cellular radio and radio GND 4 13 VCC communications systems, modems, telephone, and satellite NE570D broadcast/receive audio systems. INV_IN_1 5 12 INV_IN_2 RES_R3_1 6 11 RES_R3_2 FEATURES OUTPUT_1 7 10 OUTPUT_2 · Complete compressor and expandor in one IC THD_TRIM_1 8 9 THD_TRIM_2 · Temperature compensated TOP VIEW · Greater than 110 dB dynamic range SR02503 · Operates down to 6 VDC Figure 1. Pin configuration. · System levels adjustable with external components · Distortion may be trimmed out APPLICATIONS · Cel
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NE571, NE570D, NE570
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