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On Tuesday, December 4, 2012 6:54:15 PM UTC-8, Arid ace wrote:
My error - the IC mentioned should be SL612C and nowadays it's available from China via eBay: http://www.ebay.com/itm/120922014405... 4.m1497.l2649 It has a much wider AGC range than the TL026, up to 70 dB IOW higher than the stage gain. Let's see. SL612, $8+ each. TL026 $1.50 each. -3dB bandwidth - SL612 up to maybe 15MHz. TL026 up to 50MHz. SL612 AGC range 70dB, gain of 34dB. TL026 AGC range 50dB, gain of 38dB. SL612 obsolete. TL026 in production. An AGC range far in excess of stage gain isn't much use if the stage is overloading anyway. Why again would I consider the SL612? :-) Dana K6JQ |
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