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Руководство пользователя LUNDAHL LL1673AM. Основные функции, характеристики и условия эксплуатации изложены на 1 странице документа в pdf формате.
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Tibeliusgatan 7 International Domestic
SE-761 50 NORRTALJE Phone +46 - 176 13930 0176-13930
SWEDEN Fax +46 - 176 13935 0176-13935
Choke LL1673
The LL1673 is a 2 coils choke for tube amplifier anode supply.
The choke is available with different core air-gap, which results in different inductance and DC current
capability. LL1673 can be used in choke input and cap input applications.
The coil is wound using our standard high internal isolation technique with isolation foil between each copper
layer. The core is an audio C-core of our own production.
Winding schematics, physical dimensions, pin and mounting hole layout (all dimensions in mm)
35
6 4 3 1 6 4 1 3
4 x M4
Mounting holes
75
95
Bottom view
50 75
Weight: 1.35 kg
Static resistance of each winding: 30 W
Isolation between windings / between windings and core: 4 kV / 2 kV
Coils in series Coils in parallel
Type In- Recommended Saturating In- Recommended Saturating
ductance DC current current ductance DC current current
LL1673 / 10 H 10 H 200 mA 290 mA 2.5 H 400 mA 580 mA
LL1673 / 15 H 15 H 140 mA 200 mA 3.75 H 280 mA 400 mA
LL1673 / 20 H 20 H 100 mA 145 mA 5 H 200 mA 290 mA
Max. ripple voltage 400V rms / 200V rms /
at rec. DC current 100 Hz 100 Hz
Suggested connections:
Serial connection Parallel connection
1 3 1 3
LL1673 LL1673
4 6 4 6
Serial connection for improved common mode rejection
1 3
LL1673
4 6
R010424