Carnhill VTB9045M Audio Input Microphone Level Transformer, MuMetal Edition
Category
Manufacturer
Item no.
- LL1538
Product weight
- 0,05 kg
Shipping weight
- 0,10 kg
Application
Compliance
Interesting items
Description
The LL1538 and the LL1538XL are high performance microphone input transformers, each with a high permeability
mu-metal core and two three-section coils.
In the LL1538XL the core is about 45% larger than in the LL1538, resulting in a larger level capability. In both types, primary and secondary windings are separated by electrostatic shields. The three-section winding structure of the transformers results in a very low leakage inductance and thus an excellent frequency response. The transformers are encapsulated in mu-metal cases for magnetic shielding.
- Dimensions (Max. Length x Width x Height above PCB (mm)): 38 x 24 x 17
- Spacing between pins: 5.08 mm (0.2")
- Spacing between rows of pins: 27.94 mm (1.1")
- Weight: 46 g
- Rec. PCB hole diameter: 1.5 mm
- Static resistance of each primary: 44 Ohms
- Static resistance of each secondary: 880 Ohms
- Distortion (primaries connected in parallel, source impedance 200W ): 0.2 % @ 0 dBU
- Self resonance point: > 120 kHz
- Optimum termination for best square-wave response (Connection 1:5, source imp. 200W ): No termination necessary
- Frequency response (source 200 W, no termination): 10 Hz - 100 kHz +/- 0.3 dB
- Isolation between windings/ between windings and shield: 4 kV / 2 kV
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