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.
(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
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
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