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LA7566 Folha de dados(PDF) 6 Page - Sanyo Semicon Device |
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LA7566 Folha de dados(HTML) 6 Page - Sanyo Semicon Device |
6 / 11 page No. 5764-6/11 LA7566 Pin No. Symbol Pin function Equivalent circuit Pin Functions 1 FM DET OUT • Audio FM detector output. Deemphasis is switched internally in the IC. (5 k Ω and 7.5 kΩ) This switching is linked to the SIF input switch. An external emitter-follower circuit must be provided if the deemphasis is disabled. 2 SIF FILTER • Connection for a filter that holds the FM detector output DC voltage at a fixed level. Normally, a 1-µF electrolytic capacitor is used. To improve the low band (around 50 Hz) frequency characteristics, increase the value of this capacitor (C1). 5 6 VIF IN • VIF amplifier input. The input circuit is constructed as a balanced input, and the input has the following impedance characteristics: R ≈ 1.5 kΩ C ≈ 3 pF Continued on next page. |
Nº de peça semelhante - LA7566 |
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Descrição semelhante - LA7566 |
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