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Руководство пользователя LUNDAHL LL1936. Основные функции, характеристики и условия эксплуатации изложены на 1 странице документа в pdf формате.
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Tibeliusgatan 7 International Domestic LUNDAHL SE-761 50 NORRTALJE Phone +46 - 176 13930 0176-13930 TRANSFORMERS SWEDEN Fax +46 - 176 13935 0176-13935 Microphone Input Transformer LL1936 The LL1936 is a microphone input transformer which can be connected for microphones with different impedance. It is built using our dual coil structure, with a mu metal lamination core. The transformer is magnetically shielded by a mu metal housing. Turns ratio: (2+1) + (2+1) : 4 + 4 Dims (Length x Width x Height above PCB (mm)): 48 x 29 x 20 Pin layout (viewed from component side) and winding schematics: 0.1 “ 5 • • 18 5 0.2 “ • 9 13 • 2 4 • • 17 9 LL1936 • 16 1 17 4 4 2 • • 6 10 • 15 10 1 • • • 14 1 13 1 4 0.1 “ 1.3” 6 14 2 1.4” 2 15+18 & core+can Weight: 90 g Rec. PCB hole diameter: 1.5 mm Secondary connection Out+ Out- Connect (= Output centertap) for 1200 ? real or virtual 17 14 10 + 13 impedance Input impedance Turns ratio In+ In- Connect Faraday shield (1200 ohm load) and housing 75 ? 2 : 8 5 + 6 9 + 2 15 + 18 150 ? 3 : 8 5 + 1 4 + 2 15 + 18 300 ? 4 : 8 5 2 9 + 6 15 + 18 600 ? 6 : 8 5 2 4 + 1 15 + 18 Static resistance of each primary 1 (9-4 or 1-6): 13 ? Static resistance of each primary 2 (5-9 or 6-2): 24 ? Static resistance of each secondary: 50 ? Distortion 0.1% THD @10dBU, 50Hz Source 600 ?, primary connection for 600 ? 1% THD @ 20dBU, 50Hz Frequency response: 10Hz – 100kHz +/- 1dB rel. 1kHz Balanced input, 0 dBU signal level, source 600? , load 10k? Isolation between primary and secondary windings/ 4kV / 2kV between windings and shield: R090907