LL2804 is yet a microphone input transformer with turns ratio 1+1:7 (200 ohm : 10k) The LL2804 is discontinued and no data sheet is available. For replacements, please look at LL1530 or LL1576. Pin configuration: (Transformer seen from pin side. I am afraid I can not tell orientation, as our notes are incomplete and we have no samples left.) 4, 3, 2, 1 LL2804 8, 7, 6, 5 LL2804 Usage (1:7) in+ pin 2 in- pin 3 out+ pin 6 out- pin 7 Housing pin 1 Core pin 4 Faraday shield pin 5+8
